List of the prehistoric life of New Mexico facts for kids

This list of the prehistoric life of New Mexico contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of New Mexico.

Precambrian

The Paleobiology Database records no known occurrences of Precambrian fossils in New Mexico.

Paleozoic

• †Actinoceras
• 

  Fossil of the Early Devonian-Permian eurypterid ("sea scorpion") Adelophthalmus
  †Adelophthalmus
• †Aenigmacaris
• †Aerosaurus – type locality for genus
  • †Aerosaurus wellesi – type locality for species
• †Agassizodus
• †Amphiscapha
• †Ananias
• †Anconastes – type locality for genus
  • †Anconastes vesperus – type locality for species
• 

  Fossil of the Carboniferous horsetail relative Annularia
  †Annularia
  • †Annularia radiata
  • †Annularia sphenophylloides
• †Anomphalus
• †Aphlebia
• †Archaeocidaris
• Archaeolithophyllum
• †Archeria
• †Armenoceras
• †Aspidosaurus
• †Athyris
  • †Athyris lamellosa
• 

  Mold fossil of a shell of the Early Devonian-Late Triassic bivalve Aviculopecten
  †Aviculopecten
  • †Aviculopecten arctisulcatus
  • †Aviculopecten basilicus
  • †Aviculopecten coryeanus – type locality for species
  • †Aviculopecten moorei – or unidentified comparable form
• †Baldwinonus – type locality for genus
• †Bellerophon
  • †Bellerophon graphicus
• †Bourbonnella – or unidentified comparable form
• †Brachyphyllum
• †Calamites
  • †Calamites cistii
• †Callipteris
  • †Callipteris conferta
  • †Callipteris lyratifolia
• †Caninia
• †Cardiocarpus
• †Catenipora
• 

  Restoration of the Carboniferous-Permian amphibian Chenoprosopus
  †Chenoprosopus – type locality for genus
  • †Chenoprosopus milleri – type locality for species
• †Chonetes
  • †Chonetes illinoisensis
  • †Chonetes mesoloba
• †Cleiothyridina
  • †Cleiothyridina hirsuta
  • †Cleiothyridina pilularis
• †Collemataria
• 

  Fossilized shell of the Late Devonian-Permian brachiopod Composita
  †Composita
  • †Composita affinis
  • †Composita bucculenta
  • †Composita cracens
  • †Composita emarginata
  • †Composita ovata
  • †Composita subtilita
• †Conjunctio – type locality for genus
  • †Conjunctio multidens – type locality for species
• †Cordaites
• †Crania
• †Ctenacanthus – or unidentified comparable form
• †Cyclopteris
• †Cypricardinia
• †Cyptendoceras – tentative report
• †Cystodictya
• †Cystothalamia
  • †Cystothalamia nodulifera
• †Dakeoceras
• †Desmatodon
• †Diadectes
• 

  Life restoration of the Permian synapsid (mammal precursor) Dimetrodon
  †Dimetrodon
  • †Dimetrodon occidentalis – type locality for species
• †Diplocaulus
• †Domatoceras
• †Earlandia
• †Echinaria
• †Edaphosaurus
  • †Edaphosaurus novomexicanus – type locality for species
• †Edmondia
• †Eldredgeops
  • †Eldredgeops rana
• †Ellesmeroceras
• †Endorioceras – type locality for genus
• Eocaudina
• †Error
• †Eryops
• †Euomphalus
• †Fenestella
• †Fusulina
• †Girvanella
• †Glenopteris – or unidentified comparable form
• 

  Life restoration of the Carboniferous shark Glikmanius
  †Glikmanius
  • †Glikmanius occidentalis
• †Gnathorhiza
• †Grewingkia
• †Guadalupia
• †Hedstroemia
• †Hexagonaria
• †Isogramma
• †Komia
• †Lambeoceras
• †Lepidodendron
• 

  Life restoration of the Permian reptile precursor Limnoscelis
  †Limnoscelis
  • †Limnoscelis paludis
• †Lingula
• †Lioestheria – or unidentified comparable form
• †Liroceras
• Lithophaga
• †Lloydia
• † Madera – type locality for genus
• †Mariceras
• †Martinia
• †Metabaltoceras
• †Metacoceras
• 

  Fossilized shell of the Permian ammonoid cephalopod Metalegoceras
  †Metalegoceras
• †Murchisonia
• †Naticopsis
  • †Naticopsis judithae – or unidentified related form
  • †Naticopsis scintilla
• †Neospirifer
  • †Neospirifer cameratus
  • †Neospirifer dunbari – or unidentified comparable form
  • †Neospirifer goreii
  • †Neospirifer latus – or unidentified comparable form
  • †Neospirifer triplicatus
• †Neuropteris
  • †Neuropteris ovata
  • †Neuropteris scheuchzeri
• †Nitosaurus – type locality for genus
• Nucula – report made of unidentified related form or using admittedly obsolete nomenclature
• †Oedaleops – type locality for genus
  • †Oedaleops campi – type locality for species
• †Onchiodon – tentative report
• 

  Life restoration of the Carboniferous-Permian synapsid (mammal precursor) Ophiacodon
  †Ophiacodon – type locality for genus
  • †Ophiacodon mirus – type locality for species
  • †Ophiacodon navajovicus – type locality for species
• †Ozarkodina
• †Pachyphyllum
• †Palmatolepis
• †Paraceltites
• †Paraschwagerina
• †Pecopteris
  • †Pecopteris feminaeformis
• †Pentremites
• †Petalodus
• †Phillipsia
• †Plaesiomys
• 

  Life restoration of the Carboniferous-Permian sail-backed amphibian Platyhystrix
  †Platyhystrix
  • †Platyhystrix rugosus
• †Platystrophia
• †Plicochonetes – tentative report
• †Polygnathus
• †Posidonia – tentative report
• †Prodentalium
• †Rhiodenticulatus – type locality for genus
  • †Rhiodenticulatus heatoni – type locality for species
• †Rhynchonella – report made of unidentified related form or using admittedly obsolete nomenclature
• †Rioceras – type locality for genus
• †Ruthiromia – type locality for genus
  • †Ruthiromia elcobriensis – type locality for species
• †Sallya
• †Samaropsis
• †Sandia
• †Schwagerina
• †Sigillaria
  • †Sigillaria brardii
• Solemya
• †Solenopora
• †Spathognathodus
• 

  S. ferox and the larger S. ferocior
  Sphenacodon – type locality for genus
  • †Sphenacodon ferox – type locality for species
• †Sphenophyllum
  • †Sphenophyllum cuneifolium
• †Sphenopteris
• †Spirifer
  • †Spirifer grimesi
  • †Spirifer rockymontanus
• Spirorbis
• †Stearoceras
• 

  Life restorations of a male (foreground) and female (background) of the Late Devonian-Carboniferous Chimaera relative Stethacanthus
  †Stethacanthus
• †Streptognathodus
• †Strophomena
  • †Strophomena neglecta
• †Syringopora
• †Tainoceras
• †Tetrataxis
• Textularia
• †Trimerorhachis
• †Walchia
• †Wilkingia
• †Worthenia
• 

  Life restoration of the Permian amphibian Zatrachys
  †Zatrachys
• †Zia

Mesozoic

• †Acanthoceras
  • †Acanthoceras amphibolum
• Acipenser
• †Adocus
• †Ahshislepelta – type locality for genus
  • †Ahshislepelta minor – type locality for species
• 

  Diagram illustrating the sizes of three specimens of the Late Cretaceous long-necked dinosaur Alamosaurus, with an anachronistic human to scale
  †Alamosaurus – type locality for genus
  • †Alamosaurus sanjuanensis – type locality for species
• †Albanerpeton
  • †Albanerpeton nexuosus
• †Albertosaurus – tentative report
• †Allocrioceras
• †Allosaurus
• †Alphadon
  • †Alphadon halleyi
  • †Alphadon marshi
• †Amblydactylus
• Amia
• †Anasazisaurus – type locality for genus
  • †Anasazisaurus horneri – type locality for species
• Anatina
• †Anchisauripus
• 

  Fossilized skull of the Late Triassic phytosaur Angistorhinus
  †Angistorhinus
• †Anisoceras
• †Ankylosaurus – tentative report
• †Anomia
• †Anomoepus – tentative report
• †Anomotodon
• †Apachesaurus
  • †Apachesaurus gregorii
• †Apachesuchus – type locality for genus
• †Apatopus
• †Apatosaurus
• †Araucarioxylon
  • 

    Petrified trunk segments of the Permian-Late Triassic conifer tree Araucarioxylon arizonicum
    †Araucarioxylon arizonicum
• †Arganodus
  • †Arganodus dorotheae
• †Arizonasaurus
  • †Arizonasaurus babbitti
• †Asplenium
• Astarte
• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Baculites
  †Baculites
  • †Baculites asper
  • †Baculites asperiformis – or unidentified comparable form
  • †Baculites codyensis
  • †Baculites gregoryensis
  • †Baculites haresi
  • †Baculites maclearni
  • †Baculites obtusus – or unidentified comparable form
  • †Baculites perplexus
  • †Baculites pseudovatus
  • †Baculites rugosus
  • †Baculites scotti – or unidentified related form
  • †Baculites thomi
  • †Baculites yokoyamai
• †Baiera
• †Basilemys
  • †Basilemys gaffneyi – type locality for species
• 

  Restoration of the Late Cretaceous tyrannosaur Bistahieversor
  †Bistahieversor
  • †Bistahieversor sealeyi
• †Brachychampsa
  • †Brachychampsa montana
  • †Brachychampsa sealeyi – type locality for species
• †Brachyphyllum
• †Buettneria
• Cadulus
• Callianassa
• Calliostoma
• †Calycoceras
• †Calyptosuchus – type locality for genus
  • †Calyptosuchus wellesi – type locality for species
• 

  Life restoration of a herd of the Late Jurassic sauropod dinosaur Camarasaurus
  †Camarasaurus
  • †Camarasaurus grandis
• † Canna – tentative report
• †Caririchnium
• Carota
• Carya
• Caryophyllia
• †Caseosaurus – or unidentified comparable form
• †Ceratops
• Cercidiphyllum
• Cerithiopsis
  • †Chedighaii hutchisoni – type locality for species
• Chiloscyllium
• †Chindesaurus
  • †Chindesaurus bryansmalli
• 

  Restoration of the Late Triassic coelacanth fish Chinlea
  †Chinlea
• †Chirotherium
• †Cibolaites
• †Cimolestes – or unidentified comparable form
• †Cimolodon
  • †Cimolodon electus
• †Cimolomys
• Cinnamomum
• Cissus
• Cladophlebis
• †Coelodus
• 

  Life restoration of the Late Triassic-Early Jurassic theropod dinosaur Coelophysis with an anachronistic human to scale
  †Coelophysis
  • †Coelophysis bauri – type locality for species
• †Coelosaurus
  • †Coelosaurus antiquus
• †Coelurosaurichnus
• †Coilopoceras
  • †Coilopoceras colleti
  • †Coilopoceras inflatum – type locality for species
  • †Coilopoceras springeri
• †Collignoniceras
  • †Collignoniceras woollgari
• †Compsemys
• †Coniophis
• †Conlinoceras
• †Continuoolithus
• Corbula
• Crassostrea
• †Cretolamna
  • †Cretolamna appendiculata
• †Crosbysaurus
  • †Crosbysaurus harrisae
• Cucullaea
• †Cunningtoniceras
• †Cymatoceras
• †Daemonosaurus – type locality for genus
  • †Daemonosaurus chauliodus – type locality for species
• †Daspletosaurus
• †Deinodon
  • †Deinodon horridus
• 

  Mounted fossilized skeleton of the Late Cretaceous Alligator relative Deinosuchus
  †Deinosuchus
  • †Deinosuchus rugosus
• †Denazinemys
  • †Denazinemys nodosa – type locality for species
• †Denazinosuchus
  • †Denazinosuchus kirtlandicus
• Dentalium
• †Desmatosuchus
  • †Desmatosuchus haplocerus
  • †Desmatosuchus spurensis
• †Desmoceras
  • †Desmoceras bassleri
  • †Desmoceras erdmanni
• †Didymoceras
  • †Didymoceras cheyennense
  • †Didymoceras nebrascense
• 

  Life restoration of the Late Jurassic long-necked dinosaur Diplodocus
  †Diplodocus
  • †Diplodocus carnegii
  • †Diplodocus hallorum
• †Dolabrosaurus – type locality for genus
  • †Dolabrosaurus aquatilis – type locality for species
• †Doswellia
  • †Doswellia sixmilensis – type locality for species
• †Drepanosaurus
• †Dromomeron – type locality for genus
  • †Dromomeron romeri – type locality for species
• †Durania
• 

  Restoration of the Late Triassic distant crocodilian relative Effigia
  †Effigia – type locality for genus
  • †Effigia okeeffeae – type locality for species
• †Enchodus
• †Eodelphis – or unidentified comparable form
• †Eopelobates – tentative report
• †Essonodon
  • †Essonodon browni
• †Eubostrychoceras
• †Eucalycoceras
• †Eucoelophysis – type locality for genus
  • †Eucoelophysis baldwini – type locality for species
• †Euomphaloceras
• †Euspira
• †Eutrephoceras
• †Exiteloceras
• 

  Interior of a fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra
  †Exogyra
  • †Exogyra acroumbonata – or unidentified related form
  • †Exogyra clarki
  • †Exogyra levis
  • †Exogyra trigeri
  • †Exogyra whitneyi
• †Fagesia
  • †Fagesia superstes
• Fasciolaria – tentative report
• Ficus
• Gerrhonotus – or unidentified comparable form
• Glossus – report made of unidentified related form or using admittedly obsolete nomenclature
• †Glyptodontopelta – type locality for genus
  • †Glyptodontopelta mimus – type locality for species
• †Glyptops
• †Gojirasaurus – type locality for genus
  • †Gojirasaurus quayi – type locality for species
• †Grallator
• †Hemicalypterus
• †Herrickiceras
• 

  Life restoration of the Late Triassic crocodile relative Hesperosuchus
  †Hesperosuchus
• †Hoplitoides
  • †Hoplitoides koeneni – or unidentified comparable form
  • †Hoplitoides sandovalensis – type locality for species
  • †Hoplitoides wohltmanni – or unidentified comparable form
• †Hoploscaphites
  • †Hoploscaphites gilli
  • †Hoploscaphites nodosus
• †Hybodus
• 

  Restoration of the Late Cretaceous toothed bird Ichthyornis
  †Ichthyornis
• 

  Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size
  †Inoceramus
  • †Inoceramus arvanus
  • †Inoceramus balticus
  • †Inoceramus bellvuensis
  • †Inoceramus browni
  • †Inoceramus bueltenensis
  • †Inoceramus cordiformis
  • †Inoceramus cuvieri
  • †Inoceramus deformis
  • †Inoceramus dimidius
  • †Inoceramus grandis
  • †Inoceramus howelli
  • †Inoceramus incertus
  • †Inoceramus labiatoidiformis – or unidentified related form
  • †Inoceramus longealatus
  • †Inoceramus lundbreckensis
  • †Inoceramus lundbrekensis
  • †Inoceramus muelleri
  • †Inoceramus mytiloidiformis
  • †Inoceramus parvus
  • †Inoceramus pertenuis – or unidentified related form
  • †Inoceramus pictus
  • †Inoceramus proximus – or unidentified related form
  • †Inoceramus robertsoni – type locality for species
  • †Inoceramus sagensis
  • †Inoceramus schloenbachi
  • †Inoceramus simpsoni
  • †Inoceramus soukupi – or unidentified related form
  • †Inoceramus subcompressus
  • †Inoceramus turgidus – or unidentified related form
  • †Inoceramus undabundus
  • †Inoceramus vanuxemi
• †Ischyrhiza
  • †Ischyrhiza avonicola
  • †Ischyrhiza mira
  • †Ischyrhiza schneideri – or unidentified comparable form
• †Isopodichnus
• Isurus
• †Jeyawati – type locality for genus
  • †Jeyawati rugoculus – type locality for species
• †Kamerunoceras
• †Kimbetohia – or unidentified comparable form
• †Koskinonodon
• †Kouphichnium
• †Kritosaurus – type locality for genus
  • †Kritosaurus navajovius – type locality for species
• 

  A modern Lamna mackerel shark
  Lamna
• Lepisosteus
• †Leptalestes
  • †Leptalestes cooki
  • †Leptalestes prokrejcii – type locality for species
• Lima
• †Linearis – tentative report
• Linuparus
• †Lissodus
• †Lonchidion
• Lopha
• †Lucianosaurus – type locality for genus
  • †Lucianosaurus wildi – type locality for species
• † Lucina
• 

  Fossilized skull of the Late Triassic phytosaur Machaeroprosopus
  †Machaeroprosopus
  • †Machaeroprosopus bucercos
  • †Machaeroprosopus buceros – type locality for species
  • †Machaeroprosopus pristinus
• †Magnoavipes
• Magnolia
• †Mammites
• †Mantelliceras
• †Megalosauripus
• †Melvius
  • †Melvius chauliodous
• 

  Fossilized skull of the Late Cretaceous multituberculate mammal Meniscoessus
  †Meniscoessus
  • †Meniscoessus intermedius
• †Menuites
• †Mesodma
  • †Mesodma formosa
  • †Mesodma senecta
• †Metoicoceras
  • †Metoicoceras geslinianum
  • †Metoicoceras mosbyense – or unidentified comparable form
• †Modiolus
• †Monoclonius
• †Morrowites
  • †Morrowites depressus
  • †Morrowites subdepressus – type locality for species
• 

  Fossilized shell of the Early Cretaceous ammonoid cephalopod Mortoniceras
  †Mortoniceras
• †Myledaphus
  • †Myledaphus bipartitus
• †Naashoibitosaurus – type locality for genus
  • †Naashoibitosaurus ostromi – type locality for species
• †Navajodactylus – type locality for genus
  • †Navajodactylus boerei – type locality for species
• †Neithea
• †Neocalamites
• †Neocardioceras
  • †Neocardioceras juddii
• †Neoptychites
• Nicaisolopha
• †Nodocephalosaurus – type locality for genus
  • †Nodocephalosaurus kirtlandensis – type locality for species
• 

  Life restoration of the Late Cretaceous therizinosaur Nothronychus
  †Nothronychus – type locality for genus
  • †Nothronychus mckinleyi – type locality for species
• Odontaspis
  • †Odontaspis cheethami
  • †Odontaspis sanguinei – or unidentified comparable form
• †Ojoceratops – type locality for genus
  • †Ojoceratops fowleri – type locality for species
• †Ojoraptorsaurus – type locality for genus
  • †Ojoraptorsaurus boerei – type locality for species
• †Ophiomorpha
• †Opisthotriton
• 

  Life restoration of the Late Cretaceous ostrich dinosaur Ornithomimus
  †Ornithomimus
  • †Ornithomimus edmontonicus
• Ostrea
• †Pachydesmoceras
• †Pagiophyllum
  • †Pagiophyllum duttonia
  • †Pagiophyllum navajoensis
  • †Pagiophyllum newberryi
  • †Pagiophyllum readiana
  • †Pagiophyllum zuniana
• †Paleopsephurus
  • †Paleopsephurus wilsoni
• †Panoplosaurus – tentative report
• †Paracimexomys
  • †Paracimexomys judithae
• †Paralbula
• †Parasaurolophus – type locality for genus
  • †Parasaurolophus cyrtocristatus – type locality for species
  • †Parasaurolophus tubicen – type locality for species
• †Paratypothorax
• †Paronychodon
  • †Paronychodon lacustris
• †Parrishia
• 

  Life restoration of the Late Cretaceous horned dinosaur Pentaceratops
  †Pentaceratops – type locality for genus
  • †Pentaceratops sternbergii – type locality for species
• Pholadomya
• †Pinna
• †Placenticeras
  • †Placenticeras cumminsi
  • †Placenticeras meeki
  • †Placenticeras pseudoplacenta
• †Planolites
• Platanus
• 

  Restoration of the Late Cretaceous mosasaur Platecarpus
  †Platecarpus – or unidentified comparable form
• †Platyceramus
  • †Platyceramus cycloides
  • †Platyceramus ezoensis - or unidentified loosely related form
  • †Platyceramus heinei
  • †Platyceramus mantelli - or unidentified loosely related form
  • †Platyceramus platinus
• Plicatula
• †Porituberoolithus
• †Postosuchus
• †Prenocephale
• †Prismatoolithus
• †Prodesmodon
• †Proganochelys – type locality for genus
• †Protocardia
• †Pseudocorax
• †Pseudoegertonia – or unidentified comparable form
• †Pseudoperna
  • †Pseudoperna congesta
• †Pseudotetrasauropus
• †Pterotrigonia
• †Ptychodus
  • †Ptychodus anonymus
  • †Ptychodus polygyrus
  • †Ptychodus whipplei
• †Ptychotrygon
  • †Ptychotrygon blainensis
  • †Ptychotrygon boothi
  • †Ptychotrygon triangularis
• Pycnodonte
  • †Pycnodonte kellumi
  • †Pycnodonte newberryi
• Quercus – or unidentified comparable form
• 

  Fossilized skeleton of the Late Triassic phytosaur Redondasaurus
  †Redondasaurus – type locality for genus
  • †Redondasaurus bermani – type locality for species
  • †Redondasaurus gregorii – type locality for species
• †Redondasuchus – type locality for genus
• †Redondavenator – type locality for genus
  • †Redondavenator quayensis – type locality for species
• †Revueltosaurus – type locality for genus
  • †Revueltosaurus callenderi – type locality for species
• †Rhamnus
• †Richardoestesia
  • †Richardoestesia isosceles – or unidentified comparable form
• †Rioarribasuchus
  • †Rioarribasuchus chamaensis – type locality for species
• †Romaniceras
• †Rutiodon
• Sabal
• Salix
• †Salvinia
• †Samaropsis
  • †Samaropsis bigelowii – type locality for species
  • †Samaropsis finchii – type locality for species
  • †Samaropsis lamyensis – type locality for species
  • †Samaropsis romeri – type locality for species
  • †Samaropsis whitensis – type locality for species
• †Saurolophus – tentative report
• 

  Life restoration of the Late Cretaceous dromaeosaurid Saurornitholestes preying upon a multituberculate mammal
  †Saurornitholestes
  • †Saurornitholestes sullivani – type locality for species
• †Scapanorhynchus
  • †Scapanorhynchus rhaphiodon
• †Scaphites
  • †Scaphites ferronensis
  • †Scaphites hippocrepis
  • †Scaphites leei
  • †Scaphites rioensis
  • †Scaphites warreni
  • †Scaphites whitfieldi
• †Scotiophryne
• †Scoyenia
• †Semionotus
• 

  Base of the trunk of a living Sequoia tree with a human to scale
  †Sequoia
• Serpula
• †Shuvosaurus
  • †Shuvosaurus inexpectatus
• Solemya
• †Sphaerotholus – type locality for genus
  • †Sphaerotholus goodwini – type locality for species
• Spirorbis – report made of unidentified related form or using admittedly obsolete nomenclature
• Squalicorax
  • †Squalicorax falcatus
  • †Squalicorax kaupi
• Squatina
• †Squatirhina
  • †Squatirhina americana
• †Stagonolepis
• 

  Life restoration of the Late Cretaceous dome-headed dinosaur Stegoceras
  †Stegoceras – type locality for genus
  • †Stegoceras novomexicanum – type locality for species
  • †Stegoceras validum
• †Struthiomimus – or unidentified comparable form
  • †Struthiomimus altus
• †Tawa – type locality for genus
  • †Tawa hallae – type locality for species
• †Tecovasuchus
  • †Tecovasuchus chatterjeei
• Tellina
• †Teredina
• †Tetrasauropus – tentative report
• †Thalassinoides
• †Thescelosaurus – tentative report
• †Thoracosaurus – tentative report
• †Titanoceratops – type locality for genus
  • †Titanoceratops ouranos – type locality for species
• †Torosaurus
• †Tragodesmoceras
• 

  Mounted fossilized skeleton of the Late Cretaceous horned dinosaur Triceratops
  †Triceratops
• †Trilophosaurus
  • †Trilophosaurus jacobsi
• †Triodus
• †Trochactaeon
• †Turrilites
  • †Turrilites acutus
  • †Turrilites costatus
• Turritella
• †Typothorax – type locality for genus
• †Tyrannosauripus – type locality for genus
  • †Tyrannosauripus pillmorei – type locality for species
• 

  Probable footprint from New Mexico
  †Tyrannosaurus
  • †Tyrannosaurus rex
• Unio
• †Vancleavea
  • †Vancleavea campi
• †Vascoceras
• †Viburnum
• †Vinella
• †Vivaron – type locality for genus
• †Volviceramus
• †Watinoceras
• †Whitakersaurus – type locality for genus
  • †Whitakersaurus bermani – type locality for species
• †Williamsonia
• †Woodwardia – tentative report
• †Xenacanthus – report made of unidentified related form or using admittedly obsolete nomenclature
• Xenophora
• †Zamites
  • †Zamites occidentalis
  • †Zamites powellii
• 

  Life restoration of the Late Cretaceous armored dinosaur Ziapelta
  †Ziapelta – type locality for genus
  • †Ziapelta sanjuanensis – type locality for species
• Zizyphus
• †Zuniceratops – type locality for genus
  • †Zuniceratops christopheri – type locality for species

Cenozoic

• Accipiter
• †Acritohippus
  • †Acritohippus isonesus
• Aechmophorus
  • †Aechmophorus occidentalis
• †Aelurodon
• 

  Life restoration of the Miocene camel Aepycamelus, or the long-necked camel. Heinrich Harder (1920).
  †Aepycamelus
• Aix
  • †Aix sponsa
• †Akanthosuchus – type locality for genus
  • †Akanthosuchus langstoni – type locality for species
• †Alforjas
• †Ambystoma
  • †Ambystoma tigrinum
• Ammospermophilus
  • †Ammospermophilus leucurus – or unidentified comparable form
• 

  Life restoration of the Miocene-Pliocene beardog Amphicyon
  †Amphicyon
  • †Amphicyon ingens
• †Anabernicula
• Anas
  • †Anas acuta
  • †Anas carolinensis – tentative report
  • †Anas platyrhynchos
• †Anconodon
• †Ankalagon
  • †Ankalagon saurognathus
• Antilocapra
  • †Antilocapra americana
• Antrozous
  • †Antrozous pallidus
• Aphelocoma
  • †Aphelocoma coerulescens
• †Aphelops
• Aquila
  • †Aquila chrysaetos
• †Archaeohippus
• †Arctocyon
• †Arctodus
  • †Arctodus simus
• †Artocarpus
• Asio
  • †Asio flammeus
• †Astrohippus
• †Australocamelus
• Aythya
  • †Aythya valisineria
• 

  Fossilized teeth of the Pliocene-Pleistocene rabbit relative Aztlanolagus
  †Aztlanolagus
• †Baena
• Baiomys
• Bassariscus
  • †Bassariscus astutus
• †Betonnia – type locality for genus
• Bison
  • †Bison antiquus
  • †Bison latifrons
• †Blancocamelus
• †Blastomeryx
  • †Blastomeryx gemmifer
• †Borealosuchus
  • †Borealosuchus acutidentatus
• †Borophagus
  • †Borophagus hilli
  • †Borophagus secundus
• 

  Restorative portrait of the Miocene oreodont mammal Brachycrus
  †Brachycrus
• †Brachyhyops
• †Breagyps
  • †Breagyps clarki
• Bubo
  • †Bubo virginianus
• Bufo
  • †Bufo punctatus
  • †Bufo woodhousei
• Burhinus
• Buteo
  • †Buteo jamaicensis
  • †Buteo lagopus
  • †Buteo nitidus
  • †Buteo swainsoni
• Callipepla – or unidentified comparable form
• 

  Life restoration of the Pliocene-Holocene camel Camelops
  †Camelops
  • †Camelops hesternus
• Canis
  • †Canis armbrusteri
  • †Canis dirus
  • †Canis ferox
  • †Canis latrans
  • †Canis lepophagus
  • †Canis lupus
  • †Canis rufus
• †Cantius
  • †Cantius angulatus
  • †Cantius frugivorus
• 

  Fossilized skeleton of the Pleistocene dwarf pronghorn Capromeryx
  †Capromeryx
• Caracara
• †Carpocyon
• Castor
  • †Castor canadensis
• Cathartes
  • †Cathartes aura
• †Catopsalis
  • †Catopsalis fissidens
  • †Catopsalis foliatus
• Celtis
• †Cephalogale
• 

  Life restoration of the Miocene-Pleistocene horned gopher Ceratogaulus. Robert Bruce Horsfall (1913).
  †Ceratogaulus
• Cercidiphyllum
• †Cerdocyon
• †Chacomylus – type locality for genus
• †Chacopterygus – type locality for genus
• Chaetodipus
  • †Chaetodipus intermedius
• †Chriacus
• Cissus
• Cnemidophorus
• Colaptes
  • †Colaptes auratus
• Colinus – tentative report
  • †Colinus virginianus
• †Compsemys
• Conepatus
  • †Conepatus leuconotus
• †Copecion
• †Copelemur
• †Cophosaurus – tentative report
  • †Cophosaurus texanus
• Coragyps
  • †Coragyps atratus
  • †Coragyps occidentalis
• †Cormohipparion
• Corvus
  • †Corvus corax
• 

  Life restoration of the Paleocene-Eocene pantodont mammal Coryphodon. Heinrich Harder (1920).
  †Coryphodon
• †Cosoryx
• †Cranioceras
• Cratogeomys
  • †Cratogeomys castanops
• Crotalus
  • †Crotalus atrox
• Crotaphytus
  • †Crotaphytus collaris
• Cryptotis
  • †Cryptotis parva
• 

  Life restoration of the Pliocene-Holocene elephant relative Cuvieronius
  †Cuvieronius
  • †Cuvieronius tropicus
• Cyanocitta – tentative report
• †Cynarctoides
  • †Cynarctoides acridens
  • †Cynarctoides gawnae – type locality for species
• †Cynelos
• Cynomys
  • †Cynomys gunnisoni
  • †Cynomys ludovicianus
• Cyrtonyx – or unidentified comparable form
  • †Cyrtonyx montezumae
• †Daphoenodon
• †Desmatippus
• †Desmatochoerus
• †Desmocyon
• 

  A living Desmodus, or vampire bat
  Desmodus
  • †Desmodus stocki
• †Diacodexis
• †Didymictis
• †Dinohippus
• Dipodomys
  • †Dipodomys merriami
  • †Dipodomys ordii
  • †Dipodomys spectabilis
• †Dipoides
• †Dissacus
• †Dromomeryx
  • †Dromomeryx borealis
• 

  Illustration of the fossilized jaws and teeth of the Eocene brontothere mammal Duchesneodus
  †Duchesneodus
• †Echmatemys
• †Ectoconus
• †Ectopistes
  • †Ectopistes migratorius
• Elaphe
• †Eoconodon
  • †Eoconodon coryphaeus
  • †Eoconodon ginibitohia – type locality for species
• †Eohippus
  • †Eohippus angustidens
• 

  Fossilized skeleton of the Miocene bone-crushing dog Epicyon
  †Epicyon
  • †Epicyon haydeni
• Eptesicus
  • †Eptesicus fuscus
• Equus
  • †Equus conversidens
  • †Equus francisci
  • †Equus niobrarensis – or unidentified comparable form
  • †Equus scotti
  • †Equus simplicidens
• Erethizon
  • †Erethizon dorsatum
• †Eucastor
• 

  Life restoration of the Pleistocene bovid Euceratherium, or the shrub ox. Robert Bruce Horsfall (1913).
  †Euceratherium
  • †Euceratherium collinum
• †Eucommia
• †Eucosmodon
  • †Eucosmodon americanus
  • †Eucosmodon primus – type locality for species
• †Eucyon
  • †Eucyon davisi
• Eutamias
  • †Eutamias minimus
• Falco
  • 

    A living Falco mexicanus, or prairie falcon
    †Falco mexicanus
  • †Falco peregrinus – tentative report
  • †Falco sparverius
  • †Falco swarthi
• Ficus
• †Fulica
  • †Fulica americana
• †Gaillardia
• †Geococcyx
  • †Geococcyx californianus
• Geomys
• †Gigantocamelus
• †Glossotherium – or unidentified comparable form
• Glyptostrobus
• 

  Mounted fossilized skeleton of the Pleistocene armadillo relative Glyptotherium
  †Glyptotherium
• †Gomphotherium
• †Goniacodon
• Gopherus
  • †Gopherus agassizii
• Grus
  • †Grus canadensis
• Gymnogyps
  • †Gymnogyps californianus
• †Habrosaurus
  • †Habrosaurus dilatus
• †Hadrianus
• †Hemiauchenia
  • †Hemiauchenia macrocephala
• †Heptodon
• †Hesperotestudo
• †Hippotherium
• Homo
  • †Homo sapiens
• †Homogalax – or unidentified comparable form
• †Hoplochelys
• 

  Life restoration of the Eocene-Miocene creodont mammal Hyaenodon
  †Hyaenodon
  • †Hyaenodon horridus
• †Hydromystria
• †Hyopsodus
• †Hypohippus
• †Hypolagus
• †Hyracodon – or unidentified comparable form
• †Hyracotherium
  • †Hyracotherium vasacciense
• †Intyrictis
• †Kimbetohia – type locality for genus
• †Kimbetopsalis – type locality for genus
  • †Kimbetopsalis simmonsae – type locality for species
• Kinosternon
  • †Kinosternon flavescens
• Lagurus
• Lampropeltis
  • †Lampropeltis getulus
• Laurus
• 

  Fossilized skull of the Late Cretaceous alligator relative Leidyosuchus
  †Leidyosuchus
• Lemmiscus
  • †Lemmiscus curtatus
• †Leptocyon
• Lepus
  • †Lepus alleni
  • †Lepus californicus
  • †Lepus townsendii
• †Listrognathosuchus
• †Longirostromeryx
• Lontra
  • †Lontra canadensis
• Loxia
  • 

    A living Loxia curvirostra, or red crossbill
    †Loxia curvirostra
• Lynx
  • †Lynx lynx
  • †Lynx rufus
• Macrocranion
• Magnolia
• †Mammut
  • †Mammut americanum
  • †Mammut raki – type locality for species
• †Mammuthus
  • 

    Life restoration of a herd of Mammuthus columbi, or Columbian mammoths. The extent of the fur depicted is hypothetical. Charles R. Knight (1909).
    †Mammuthus columbi
• Marmota
  • †Marmota flaviventris
• Martes
• Masticophis
  • †Masticophis flagellum – tentative report
• †Megahippus
• †Megalonyx
  • †Megalonyx leptostomus
  • †Megalonyx wheatleyi
• †Megatylopus
• Meleagris
  • †Meleagris gallopavo
• †Meniscotherium
• 

  Life restoration of the Miocene rhinoceros Menoceras
  †Menoceras
• Mephitis
  • †Mephitis mephitis
• Mergus – tentative report
• †Merychippus
• †Merychyus
• †Merycodus
• †Mesodma
  • †Mesodma thompsoni
• †Metatomarctus
• †Michenia
• †Microsyops
• †Microtomarctus
• Microtus
  • 

    A living Microtus californicus, or California vole
    †Microtus californicus – or unidentified comparable form
  • †Microtus longicaudus
  • †Microtus mexicanus
  • †Microtus ochrogaster
  • †Microtus pennsylvanicus
• †Mimetodon
  • †Mimetodon krausei – type locality for species
• †Mithrandir
• Mustela
  • †Mustela richardsonii
  • 

    A living Mustela nigripes, or black-footed ferret
    †Mustela nigripes
• Myodes
  • †Myodes rutilus – or unidentified comparable form
• Myotis
  • †Myotis lucifugus – tentative report
  • †Myotis thysanodes
  • †Myotis velifer
• †Nannippus
• †Navahoceros
  • †Navahoceros fricki – type locality for species
• †Navajosuchus – type locality for genus
  • †Navajosuchus mooki – type locality for species
• 

  Life restoration of a herd of Neohipparion. Robert Bruce Horsfall (1913).
  †Neohipparion
• Neophrontops
  • †Neophrontops americanus
• Neogale
  • †Neogale frenata – or unidentified comparable form
• †Neoplagiaulax
  • †Neoplagiaulax macintyrei – type locality for species
  • †Neoplagiaulax macrotomeus
• Neotamias
  • †Neotamias dorsalis – tentative report
• Neotoma
  • †Neotoma albigula
  • †Neotoma cinerea
  • †Neotoma lepida
  • †Neotoma mexicana
  • †Neotoma micropus
  • †Neotoma stephensi
• 

  Fossilized partial cranium of the Miocene saber-toothed cat Nimravides
  †Nimravides
• †Notharctus
• †Nothrotherium
• Notiosorex
• †Odaxosaurus
  • †Odaxosaurus piger
• Odocoileus
  • †Odocoileus hemionus
  • †Odocoileus virginianus
• Ondatra
• Onychomys
  • †Onychomys leucogaster
  • †Onychomys torridus
• Oreamnos – or unidentified comparable form
  • †Oreamnos harringtoni
• Oreortyx
  • †Oreortyx picta
• Oryzomys – or unidentified comparable form
• 

  Life restoration of the Miocene pronghorn Osbornoceros
  †Osbornoceros
  • †Osbornoceros osborni – type locality for species
• †Osbornodon
• Otus – or unidentified comparable form
• Ovis
  • †Ovis canadensis
• †Oxyacodon
• †Oxyaena
• †Oxydactylus
• †Pachyaena
• †Palaeoryctes
• Panthera
  • †Panthera onca
• †Pantolambda
• Pappogeomys
• †Paracynarctus
• 

  Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon
  †Paramylodon
  • †Paramylodon harlani – or unidentified comparable form
• †Paramys
• †Paratomarctus
• †Parectypodus
  • †Parectypodus trovessartianus
  • †Parectypodus vanvaleni – type locality for species
• †Parvitragulus
• †Pelycodus
  • †Pelycodus jarrovii
• †Peraceras
• Perognathus
  • †Perognathus flavus
• Peromyscus
  • 

    A living Peromyscus boylii, or brush mouse
    †Peromyscus boylii
  • †Peromyscus crinitus – or unidentified comparable form
  • †Peromyscus difficilis
  • †Peromyscus eremicus
  • †Peromyscus maniculatus
  • †Peromyscus truei
• Persea
• Phalacrocorax
  • †Phalacrocorax auritus
• †Phenacodus
• Phenacomys
  • †Phenacomys intermedius
• Phrynosoma
  • †Phrynosoma cornutum
  • †Phrynosoma douglassi
  • †Phrynosoma modestum
• Pituophis
  • †Pituophis catenifer
• Platanus
• 

  Restoration of a herd of alarmed Miocene-Pleistocene peccaries of the genus Platygonus. Charles R. Knight (1922).
  †Platygonus
  • †Platygonus compressus
• Plecotus
• †Pleiolama
• †Plesiogulo
• †Pliohippus
• †Pliometanastes
• †Plithocyon
• Podiceps
• †Procamelus
• †Promartes
• †Promerycochoerus
• 

  Restorative models in multiple views of the Eocene brontothere Protitanotherium (figure 3)
  †Protitanotherium
• †Protohippus
• †Protolabis
• †Protomarctus
• †Psalidocyon
• Pseudacris
  • †Pseudacris triseriata
• †Pseudaelurus
• †Pseudhipparion
• †Pseudocyon
• †Pseudoprotoceras
• 

  Life restoration of the Paleocene taeniodont mammal Psittacotherium
  †Psittacotherium
• †Ptilodus
  • †Ptilodus mediaevus
  • †Ptilodus tsosiensis – type locality for species
• Puma
  • †Puma concolor
• †Ramoceros
• †Rana
  • †Rana pipiens
• Reithrodontomys
  • †Reithrodontomys megalotis
• †Rhamnus
• 

  Restoration of the Miocene-Pliocene elephant relative Rhynchotherium
  †Rhynchotherium
• Sabal
• †Salpinctes – or unidentified comparable form
  • †Salpinctes obsoletus
• Salvadora
• †Saniwa
  • †Saniwa ensidens
• Scalopus
• Scaphiopus
• †Scaphohippus
• Sceloporus
  • †Sceloporus undulatus
• Sciurus
  • †Sciurus aberti
• Sigmodon
  • †Sigmodon hispidus
• †Sinopa
• 

  Life restoration of the Pleistocene-Holocene saber-tooth cat Smilodon
  †Smilodon
  • †Smilodon gracilis
• Sorex
  • †Sorex merriami
• Spea
  • †Spea bombifrons
  • †Spea hammondii
  • †Speotyto cunicularia
• Spermophilus
  • †Spermophilus lateralis
  • †Spermophilus spilosoma
  • †Spermophilus tridecemlineatus
  • †Spermophilus variegatus
• Spilogale
  • †Spilogale putorius
• 

  Mounted fossilized skeleton of the Pliocene-Pleistocene elephant relative Stegomastodon
  †Stegomastodon
  • †Stegomastodon mirificus
• †Stenomylus
  • †Stenomylus gracilis – or unidentified comparable form
• †Stockoceros
• Strix
  • †Strix occidentalis – or unidentified comparable form
• Sylvilagus
  • †Sylvilagus audubonii
  • †Sylvilagus floridanus
  • †Sylvilagus nuttallii
• Tadarida
  • †Tadarida brasiliensis
• †Taeniolabis
  • †Taeniolabis taoensis
• Tamias
• Tapirus
• Taxidea
  • †Taxidea taxus
• 

  Restoration of the Miocene-Pliocene rhinoceros Teleoceras
  †Teleoceras
• †Telmatherium
• Terrapene – tentative report
  • †Terrapene ornata
• †Tetraclaenodon
• Thamnophis
  • †Thamnophis proximus
• Thomomys
  • †Thomomys bottae
  • †Thomomys talpoides
• 

  Fossilized skull of the Miocene bone-crushing dog Tomarctus
  †Tomarctus
  • †Tomarctus brevirostris
  • †Tomarctus hippophaga
• †Triisodon
  • †Triisodon quivirensis
• Trionyx
• Tympanuchus
  • †Tympanuchus pallidicinctus
• Tyto
  • †Tyto alba
• †Uintacyon
• Urocyon
  • †Urocyon cinereoargenteus
• †Urosaurus – or unidentified comparable form
  • †Urosaurus ornatus
• Ursus
  • †Ursus americanus
• †Ustatochoerus
• †Valenia
• †Vulpavus
• Vulpes
  • †Vulpes velox
  • †Vulpes vulpes
• Xanthocephalus
  • †Xanthocephalus xanthocephalus
• 

  Life restoration of the Miocene bear dog Ysengrinia
  †Ysengrinia – or unidentified comparable form
• Zenaida
  • †Zenaida macroura
• †Zenaidura
  • †Zenaidura macroura