List of the prehistoric life of Louisiana facts for kids

Kids Encyclopedia Facts

This article lists the amazing prehistoric creatures and plants whose fossils have been found in Louisiana. These fossils tell us about life from millions of years ago!

Ancient Times: Precambrian and Paleozoic Eras

Scientists haven't found many fossils from the very oldest times, like the Precambrian and Paleozoic eras, in Louisiana. This means we don't know much about life here during those periods.

Dinosaur Times: The Mesozoic Era

The Mesozoic Era was the time of dinosaurs, from about 252 to 66 million years ago. In Louisiana, we've found fossils from this era, especially from the later part called the Late Cretaceous period.

Sharks and Other Sea Creatures

During the Mesozoic Era, parts of Louisiana were covered by a warm, shallow sea. This means many of the fossils found are from ocean animals.

Squalicorax was a type of shark that lived during the Late Cretaceous.
- One species, †Squalicorax pristodontus, had teeth that looked like modern shark teeth.
Other ancient sea creatures found include:
- †Dufrenoyia (and its species †Dufrenoyia dufrenoyi and †Dufrenoyia texana)
- †Hypacanthoplites
- †Parahoplites (possibly found)
- †Pseudosaynella
- †Rhytidhoplites (including †Rhytidhoplites robertsi)

Recent Ancient Life: The Cenozoic Era

The Cenozoic Era started about 66 million years ago, right after the dinosaurs disappeared. It continues up to about 10,000 years ago. This era is sometimes called the "Age of Mammals." Louisiana has many fossils from this time!

Top - 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A: From Ancient Snails to Giant Camels

†Abderospira was a type of ancient snail.
- Species include †Abderospira leblanci, †Abderospira oviformis, and †Abderospira stewarti.
†Abdounia was another ancient snail, with †Abdounia enniskilleni found here.
Abra is a type of clam, and †Abra nitens fossils have been found.
Acanthocardia cockles are a type of seashell.
- †Acanthocardia tuomeyi is an extinct species.
†Aciculiscala and †Aciculiscala jacobi were also ancient snails.
Acirsa and Aclis were other types of sea snails.
Acteon snails include †Acteon annectens, †Acteon idoneus, and †Acteon pomilius.
Actinocythereis was a tiny crustacean, with †Actinocythereis rosefieldensis found.
†Adeorbis and †Adeorbis sylvaerupis were small snails.
Adrana clams include †Adrana aldrichiana.
†Aepycamelus was a very tall, long-necked camel that lived during the Miocene epoch.
†Aesculiidites was a type of ancient plant pollen.
Aetobatus is a type of eagle ray.
Agaronia snails include †Agaronia media and †Agaronia mississippiensis.
†Alatocythereis was another tiny crustacean.
Albula is a type of bonefish.
†Allomorone was an ancient fish.
†Alnipollenites was ancient alder tree pollen.
Alopias are thresher sharks.
- †Alopias latidens is an extinct species.
†Alveinus was a small clam.
Ammospermophilus is a type of ground squirrel.
†Ampullina was a sea snail.
Anadara clams include †Anadara vaughani.
Ancilla snails include †Ancilla staminea.
Angulogerina was a tiny single-celled organism.
†Anisonchus was an early mammal.
Anomalinoides was a tiny single-celled organism.
Anomia are saddle oysters.
Antalis is a tusk shell.
Antrozous is a type of bat.
†Aphelops was an ancient rhinoceros.
Aplodinotus is a type of freshwater drum fish.
Architectonica are sundial snails.
Arcopagia clams include †Arcopagia eburneopsis.
Arcoscalpellum was a type of barnacle.
†Arecipites was ancient palm pollen.
Ariosoma is a type of conger eel.
Arius is a type of catfish.
Articulina was a tiny single-celled organism.
Asterigerina was another tiny single-celled organism.
Asthenotoma was a sea snail.
Astrangia is a type of coral.
Athleta was a type of sea snail.
Atrina are pen shells.
†Aturia was a type of nautilus, a sea creature with a shell.
Atys was a bubble snail.

B: From Whales to Musk Oxen

Balanophyllia is a type of coral.
Balcis was a type of sea snail.
Barbatia is a type of ark clam.
†Basilosaurus was a huge, snake-like whale that lived in the Eocene epoch. Its fossils were first found in Louisiana!
†Basopollis was ancient pollen.
Bassariscus is a ringtail, a mammal related to raccoons.
Bathytoma was a sea snail.
Bathytormus was a type of clam.
†Batrachosauroides was an ancient salamander.
Belone is a type of needlefish.
†Belosaepia was an ancient cuttlefish.
†Bifarina was a tiny single-celled organism.
Bittium was a small sea snail.
†Bitubulogerina was a tiny single-celled organism.
Bolivina was a tiny single-celled organism.
Bolivinella was another tiny single-celled organism.
†Bombacacidites was ancient pollen from a type of tree.
†Bonellitia was a type of sea snail.
†Bootherium was a type of musk ox that lived during the Ice Age.
Brachidontes are ribbed mussels.
†Brachyerix was an ancient hedgehog.
†Brachysporites was ancient fungal spores.
Bregmaceros is a type of codlet fish.
†Bregmoceras was an ancient nautilus.
†Bristocorbula was a type of clam.
†Brychaetus was an ancient bony fish.
Buccella was a tiny single-celled organism.
Bulimina was a tiny single-celled organism.
Buliminella was a tiny single-celled organism.
Bullia was a type of sea snail.
†Bullinella was a type of sea snail.
Buntonia was a tiny crustacean.

C: From Snails to Crocodiles

Cadulus is a type of tusk shell.
Caestocorbula was a type of clam.
†Calamuspollenites was ancient plant pollen.
†Calapa was a type of crab.
Callista is a type of clam.
†Calorhadia was a type of clam.
Calyptraea are Chinese hat snails.
†Calyptraphorus was a type of sea snail.
Capulus is a cap snail.
Carcharhinus are requiem sharks.
†Carcharochles was an ancient shark.
Cardium is a type of cockle.
Caretta is a loggerhead sea turtle.
†Caricella was a type of sea snail.
†Caryapollenites was ancient hickory tree pollen.
Caryocorbula was a type of clam.
Caryophyllia is a type of solitary coral.
†Casurinidites was ancient plant pollen.
†Cedripites was ancient cedar tree pollen.
Celleporaria was a type of bryozoan (tiny colonial animals).
†Centalium was an ancient fish.
†Centroberys and Centroberyx are types of redfish.
Centropristis is a type of sea bass.
†Cercidiphyllites was ancient plant pollen.
Cerithiella was a type of sea snail.
Chama are jewel box clams.
†Chenopodipollis was ancient plant pollen.
†Chiloguembelina and †Chilogumbelina were tiny single-celled organisms.
Chiton is a type of marine mollusk.
Chlamys is a type of scallop.
Chrysalogonium was a tiny single-celled organism.
Cibicides was a tiny single-celled organism called a foraminiferan.
†Cicatricosisporites was ancient fern spores.
Cirsotrema was a type of wentletrap sea snail.
Citharichthys is a type of flatfish.
Clavilithes was a type of spindle sea snail.
Closia was a type of sea snail.
Cochlespira was a type of sea snail.
†Cochlespirella was a type of sea snail.
†Cocoaia was an ancient palm tree.
Columbellopsis was a type of sea snail.
Cominella was a type of sea snail.
Conger is a type of conger eel.
†Congeris was a type of clam.
Conomitra was a type of sea snail.
Conopeum was a type of bryozoan.
†Conorbis was a type of sea snail.
Conus are cone snails.
†Converrucosisporites was ancient plant spores.
†Copemys was an ancient mouse.
†Coptostoma was a type of sea snail.
Coralliophila was a type of coral snail.
Corbula is a type of clam.
Cordieria was a type of sea snail.
†Cormohipparion was an ancient three-toed horse.
†Cornulina was a type of sea snail.
Cornuspira was a tiny single-celled organism.
†Coronia was a type of sea snail.
Crassatella was a type of clam.
Crassinella was a type of clam.
Crepidula are slipper snails.
†Cretolamna was an ancient shark.
Crocodylus is a type of crocodile.
†Cubitostrea was a type of oyster.
†Cupanieidites was ancient plant pollen.
†Cupuliferoipollenites was ancient plant pollen.
Cuspidaria was a type of clam.
†Cyathedites was ancient fern spores.
†Cybium was a type of mackerel.
Cyclammina was a tiny single-celled organism.
Cylichnella was a type of sea snail.
†Cylindracanthus was an ancient fish.
Cymatosyrinx was a type of sea snail.
†Cynarctus was an ancient dog-like mammal.
Cypraedia was a type of sea snail.
†Cypraeorbis was a type of sea snail.
Cytherella was a tiny crustacean.
Cytherelloidea was a tiny crustacean.
Cytheromorpha was a tiny crustacean.

D: From Stingrays to Ancient Pigs

Dasyatis are stingrays.
†Dasyostoma was a type of sea snail.
†Deltoidospora was ancient plant spores.
Dendrophyllia is a type of coral.
Dentalina was a tiny single-celled organism.
Dentalium is a type of tusk shell.
†Dicellaesporites was ancient fungal spores.
†Dicorbitura was a type of clam.
†Digmocyhere was a tiny crustacean.
Diodon are porcupinefish.
Diodora are keyhole limpets.
Diplodonta was a type of clam.
†Diporicellaesporites was ancient fungal spores.
†Diporisporites was ancient fungal spores.
†Discocyclina was a tiny single-celled organism.
Discorbis was a tiny single-celled organism.
†Discotrochus was a type of coral.
Distorsio was a type of sea snail.
†Divisisporites was ancient fungal spores.
†Dolicholatirus was a type of sea snail.
†Dontogryphaea was a type of oyster.
Dorsanum was a type of sea snail.
†Dyadosporonites was ancient fungal spores.
†Dyseohyus was an ancient pig-like mammal.

E: From Scallops to Skinks

†Eburneopecten was a type of scallop.
Echinocythereis was a tiny crustacean.
†Ectinochilus was a type of sea snail.
†Edaphocyon was an ancient dog-like mammal.
†Ekokenia was an ancient fish.
Elphidium is a tiny single-celled organism.
Endopachys was a type of coral.
Entosolenia was a tiny single-celled organism.
†Eocithara was a type of sea snail.
†Eoclathurella was a type of sea snail.
†Eodrilla and †Eodrillia were types of sea snails.
Eoeponidella was a tiny single-celled organism.
†Eophysema was a type of sea snail.
†Eopleurotoma was a type of sea snail.
†Eosurcula was a type of sea snail.
†Ephedripites was ancient plant pollen.
Epistominella was a tiny single-celled organism.
Epitonium are wentletrap sea snails.
Eponides was a tiny single-celled organism.
Equus is the genus that includes modern horses, donkeys, and zebras. Ancient horse species found include †Equus complicatus, †Equus fraternus, and †Equus intermedius.
†Ericipites was ancient plant pollen.
†Eucheilodon was a type of sea snail.
Eumeces is a type of skink (lizard).
Eurytellina was a type of clam.
†Euscalpellum was a type of barnacle.
Euspira was a type of moon snail.
†Expressipollis was ancient plant pollen.
†Extratriporopollenites was ancient plant pollen.

F: From Ancient Snails to Fig Trees

Falsifusus was a type of sea snail.
†Favitricolporites was ancient plant pollen.
†Ficopsis was a type of sea snail.
Ficus are fig trees.
Fissurella are keyhole limpets.
Flabellum is a type of coral.
†Frizzellithus was a type of coccolith (tiny marine algae).
Fursenkoina was a tiny single-celled organism.
†Fusiformisporites was ancient fungal spores.
Fusimitra was a type of sea snail.
Fusinus is a type of sea snail.
†Fusitoma was a type of sea snail.
Fustiaria was a type of tusk shell.

G: From Sharks to Ground Sloths

Galeocerdo are tiger sharks.
Galeodea was a type of sea snail.
Galeorhinus are school sharks.
Gari was a type of clam.
Gegania was a type of sea snail.
Genota was a type of sea snail.
†Gigantostrea was a very large oyster.
Ginglymostoma are nurse sharks.
†Gleicheniidites was ancient fern spores.
Globigerina was a tiny single-celled organism.
Globobulimina was a tiny single-celled organism.
Globorotalia was a tiny single-celled organism.
Globulina was a tiny single-celled organism.
Glycymeris is a type of clam.
Glyptoactis was a type of clam.
†Glyptotherium was a giant armadillo-like animal.
†Glyptotoma was a type of sea snail.
Gnathophis is a type of conger eel.
†Gomphotherium was an ancient elephant-like animal with four tusks.
Guttulina was a tiny single-celled organism.
Gyroidina was a tiny single-celled organism.
Gyroidinoides was a tiny single-celled organism.

H: From Corals to Ancient Fungi

†Haimesiastraea was a type of coral.
†Hamulatisporites was ancient fungal spores.
Hanzawaia was a tiny single-celled organism.
Hastula are augur sea snails.
Haustator was a type of sea snail.
Hemipristis was a type of shark.
Hemisinus was a type of sea snail.
†Hemisurcula was a type of sea snail.
Heterodontus are bullhead sharks.
Heterostegina was a tiny single-celled organism.
Hexaplex was a type of sea snail.
†Hilgardia was a type of sea snail.
Hipponix are hoof snails.
†Homomya was a type of clam.
Hoplopteron was an ancient fish.
†Hypolagus was an ancient rabbit.
†Hypoxylon was an ancient fungus.

I: From Pollen to Mako Sharks

†Ilexpollenites was ancient holly tree pollen.
†Inapertisporites was ancient fungal spores.
†Inaperturopollenites was ancient plant pollen.
†Infracoronia was a type of sea snail.
†Involutisporites was ancient fungal spores.
†Involutisporonites was ancient fungal spores.
Isurus are mako sharks.
- †Isurus praecursor is an extinct species.

J: From Ancient Fish to Tiny Crustaceans

†Jefitchia was an ancient fish.
†Jonus was a type of sea snail.
Jugosocythereis was a tiny crustacean.

K: From Ancient Snails to Plant Pollen

†Kapalmerella was a type of sea snail.
Kelliella was a type of clam.
†Kyandopollenites was ancient plant pollen.

L: From Fungi to Ancient Whales

†Lacrimasporonites was ancient fungal spores.
Lactarius is a type of mushroom.
†Laevigatosporites was ancient plant spores.
Lagena was a tiny single-celled organism.
Lamarckina was a tiny single-celled organism.
Lamna are mackerel sharks.
- †Lamna lerichi is an extinct species.
†Lapparia was a type of sea snail.
Latirus was a type of sea snail.
†Leiotriletes was ancient plant spores.
Lenticulina was a tiny single-celled organism.
†Lepidocyclina was a tiny single-celled organism.
†Levifusus was a type of sea snail.
†Liliacidites was ancient lily plant pollen.
Lima is a type of file clam.
†Limnoecus was an ancient shrew.
Limopsis was a type of clam.
†Linthia was a type of sea urchin.
†Liquidambarpollenites was ancient sweetgum tree pollen.
†Lirodiscus was a type of clam.
†Lirofusus was a type of sea snail.
†Lithophysema was a type of sea snail.
†Litorhadia was a type of clam.
Loxoconcha was a tiny crustacean.
Lucina is a type of clam.
Lunulites was a type of bryozoan.
†Lusatisporites was ancient plant spores.
†Lycopodiumsporites was ancient clubmoss spores.
†Lyrosurcula was a type of sea snail.

M: From Clams to Ground Sloths

Macrocallista is a type of clam.
Madracis is a type of coral.
Madrepora is a type of coral.
†Mammut is the genus for mastodons, ancient elephant relatives.
†Margaritaria was a type of sea snail.
Marginella was a type of sea snail.
Marginulina was a tiny single-celled organism.
Marginulinopsis was a tiny single-celled organism.
†Margocolporites was ancient plant pollen.
Martesia is a type of clam.
Massilina was a tiny single-celled organism.
†Mauricia was a type of sea snail.
†Mazzalina was a type of sea snail.
Melanella was a type of sea snail.
Melonis was a tiny single-celled organism.
Meretrix was a type of clam.
†Merychippus was an ancient three-toed horse.
†Merychyus was an ancient camel-like animal.
Mesalia was a type of sea snail.
Metula was a type of sea snail.
†Michela was a type of sea snail.
Microdrillia was a type of sea snail.
†Microfoveolatosporis and †Microfoveolatosporites were ancient fungal spores.
†Microreticulatisporites was ancient plant spores.
Miltha was a type of clam.
†Miomustela was an ancient weasel.
Mitrella was a type of sea snail.
Mnestia was a type of sea snail.
Modiolus are horse mussels.
†Momipites was ancient plant pollen.
†Monoporisporites was ancient fungal spores.
†Monoptygma was a type of sea snail.
†Morozovella was a tiny single-celled organism.
†Multicellaesporites was ancient fungal spores.
Myliobatis are eagle rays.
†Mylodon was a giant ground sloth.
†Myripistis and Myripristis are types of squirrelfish.
Myrtea was a type of clam.

N: From Ancient Horses to Oysters

†Nannipus was an ancient horse.
Nassarius are nassa mud snails.
†Natchitochia was an ancient fish.
Natica are moon snails.
Naticarius are moon snails.
Nemocardium was a type of cockle.
†Neobythitinarum and †Neobythitinorum were ancient fish.
†Neoepenoides was a tiny single-celled organism.
†Neozanthopsis was a type of crab.
Neverita are moon snails.
Niso was a type of sea snail.
Nodosaria was a tiny single-celled organism.
Nonion was a tiny single-celled organism.
Nonionella was a tiny single-celled organism.
†Nototamias was an ancient chipmunk.
Nucula is a type of nut clam.
Nuculana is a type of nut clam.
†Nudopollis was ancient plant pollen.

O: From Sand Sharks to Boxfish

Odontaspis are sand sharks.
†Odontogryphaea was a type of oyster.
†Odontopolys was an ancient fish.
Odostomia was a type of sea snail.
Operculina was a tiny single-celled organism.
†Ophichthyidarum was an ancient eel.
Orthopristis is a type of grunt fish.
†Orthosurcula was a type of sea snail.
Orthoyoldia was a type of clam.
†Osmundacidites was ancient fern spores.
†Ostracion are boxfish.
Ostrea are true oysters.
Otionella was a type of bryozoan.
†Ovoidites was ancient fungal spores.

P: From Palm Trees to Spiny Oysters

†Pachecoa was a type of sea snail.
†Palmoxylon is fossilized palm wood.
†Papillina was a type of sea snail.
Paraconger is a type of conger eel.
Paracyathus is a type of coral.
Paracypris was a tiny crustacean.
†Paramylodon was a giant ground sloth.
Parasmilia was a type of coral.
†Parcypris was a tiny crustacean.
Parvilucina was a type of clam.
†Patulaxis was a type of sea snail.
Pecten is a type of scallop.
†Pediastrum was a type of green algae.
Penion was a type of sea snail.
Periploma was a type of clam.
†Perotriletes was ancient fungal spores.
†Pesavis was ancient fungal spores.
†Petauristodon was an ancient flying squirrel.
Petrophyllia was a type of coral.
Phalium are bonnet shell sea snails.
Pholadomya was a type of clam.
Phos was a type of sea snail.
Picea are spruce trees.
†Piceapollenites was ancient spruce tree pollen.
†Pilicatula was a type of clam.
Pinna are pen shells.
†Pinuspollenites was ancient pine tree pollen.
†Pistillipollenites was ancient plant pollen.
Pitar are venus clams.
†Plagiarca was a type of clam.
Plagiocardium was a type of cockle.
Planorbulina was a tiny single-celled organism.
Planularia was a tiny single-celled organism.
Planulina was a tiny single-celled organism.
†Platycaryapollenites was ancient plant pollen.
†Platyoptera was an ancient fish.
Platytrochus was a type of coral.
†Pleuricellaesporites was ancient fungal spores.
Pleurofusia was a type of sea snail.
†Pleuroliria was a type of sea snail.
Pleuromeris was a type of clam.
Pleurotomella was a type of sea snail.
Plicatula are kittenpaw clams.
Podocarpus is a type of conifer tree.
Polinices are moon snails.
†Pollinices was a type of moon snail.
†Polycolporopollenites was ancient plant pollen.
Polymorphina was a tiny single-celled organism.
Polypodium is a type of fern.
Polyschides was a type of tusk shell.
Pontocythere was a tiny crustacean.
†Pontogeneus was a type of coral.
†Porocolpopollenites was ancient plant pollen.
Poromya was a type of clam.
†Porticulasphaera was a tiny single-celled organism.
†Preophidion was an ancient fish.
†Priscoficus was an ancient fig tree.
Pristigenys was an ancient bony fish.
Pristipomoides is a type of snapper fish.
Pristis are sawfish.
†Projenneria was a type of sea snail.
Propeamussium is a type of scallop.
†Propristis was an ancient sawfish.
†Prosynthetoceras was an ancient deer-like mammal.
†Proteacidites was ancient plant pollen.
†Protosurcula was a type of sea snail.
†Pseudohastigerina was a tiny single-celled organism.
†Pseudolatirus was a type of spindle sea snail.
Pseudoliva was a type of sea snail.
Pseudoneptunea was a type of sea snail.
Pseudononion was a tiny single-celled organism.
†Pseudoparablastomeryx was an ancient deer-like mammal.
Pseudophichthys was an ancient eel.
†Pseudoplicapollis was ancient plant pollen.
Pteria are wing oysters.
†Pterocaryapollenites was ancient wingnut tree pollen.
†Pteropsella was a type of clam.
†Pterosphenus was an ancient whale.
Pterynotus was a type of sea snail.
Pycnodonte are foam oysters.
Pyramidella are pyram sea snails.
†Pyramimitra was a type of sea snail.
Pythonichthys was an ancient eel.

Q: From Pollen to Tiny Organisms

†Quadrapollenites was ancient plant pollen.
†Quercoidites was ancient oak tree pollen.
Quinqueloculina was a tiny single-celled organism.

R: From Sea Snails to Ancient Corals

Raphitoma was a type of sea snail.
Retusa are barrel bubble sea snails.
Reussella was a tiny single-celled organism.
†Rhabdopitaria was a type of coral.
Rhinoptera are cownose rays.
Rhizoprionodon are sharpnose sharks.
Rhizorus was a type of sea snail.
Rhynchoconger is a type of conger eel.
Rimella was a type of sea snail.
†Ringicardium was a type of cockle.
Ringicula was a type of sea snail.
†Rotalia was a tiny single-celled organism.
†Rudiscala was a type of sea snail.

S: From Sharks to Spiny Oysters

Saracenaria was a tiny single-celled organism.
Sassia was a type of sea snail.
Scaphella was a type of sea snail.
Schizaster was a type of sea urchin.
†Schizosporis was ancient fungal spores.
Sciaena is a type of drum fish.
†Sciaenidarium was an ancient fish.
Scobinella was a type of sea snail.
†Sequoidendron was an ancient redwood tree.
Serpulorbis was a type of worm snail.
Sigmomorphina was a tiny single-celled organism.
†Sigmopollis was ancient fungal spores.
Simnia was a type of sea snail.
†Sinistrella was a type of sea snail.
Sinum are moon snails.
Siphonalia was a type of sea snail.
Siphonina was a tiny single-celled organism.
Sirembo is a type of cusk-eel.
†Skenae was a type of sea snail.
Solariella was a type of sea snail.
Solariorbis was a type of sea snail.
Solen are razor clams.
†Sparidarum was an ancient fish.
†Sphaerocypraea was a type of sea snail.
Sphyraena are barracudas.
†Spinaepollis was ancient plant pollen.
Spirillina was a tiny single-celled organism.
Spiroloculina was a tiny single-celled organism.
Spiroplectammina was a tiny single-celled organism.
†Spirotextularia was a tiny single-celled organism.
Spisula are surf clams.
Spondylus are spiny oysters.
†Sterisporites was ancient fungal spores.
†Sulcocypraea was a type of sea snail.
†Sullivania was a type of sea snail.
†Surculoma was a type of sea snail.
Sveltella was a type of sea snail.

T: From Ancient Trees to Tower Snails

Taxodium are cypress trees.
Teinostoma was a type of sea snail.
†Teleoceras was an ancient rhinoceros.
Tellina are tellin clams.
Tenagodus was a type of worm snail.
Terebra are augur sea snails.
†Terebrifusus was a type of sea snail.
Teredo are shipworms.
†Tetraporina was ancient fungal spores.
†Texomys was an ancient rodent.
†Textualaria and Textularia were tiny single-celled organisms.
†Thompsonipollis was ancient plant pollen.
†Tiburnus was a type of sea snail.
†Tiliaepollenites was ancient linden tree pollen.
Trachycardium was a type of cockle.
†Triagnulocypris was a tiny crustacean.
Trichiurus are cutlassfish.
†Tricolpites, †Tricolpopollenites, and †Tricolporopollenites were ancient plant pollen.
Trigonostoma was a type of sea snail.
Trigonulina was a tiny single-celled organism.
Triloculina was a tiny single-celled organism.
†Trinacria was a type of diatom (tiny algae).
†Triplanosporites was ancient fungal spores.
†Triporopollenites was ancient plant pollen.
†Tritonatractus was a type of sea snail.
†Tritonidea was a type of sea snail.
Trochita was a type of slipper snail.
Trochocyathus was a type of coral.
†Tropisurcula was a type of sea snail.
†Trudopollis was ancient plant pollen.
†Truncorotaloides was a tiny single-celled organism.
†Trypanotoma was a type of sea snail.
†Turbinolia was a type of coral.
Turbonilla are parasitic pyram sea snails.
Turricula was a type of sea snail.
†Turrilina was a tiny single-celled organism.
Turris was a type of sea snail.
Turritella are tower snails, known for their tall, spiral shells.
†Tythonichthys was an ancient fish.

U: From Ancient Trees to Bears

†Ulmipollenites was ancient elm tree pollen.
Umbraculum is a type of sea snail.
Umbrina is a type of drum fish.
†Undulatisporites was ancient fungal spores.
Uroconger is a type of conger eel.
Uromitra was a type of sea snail.
Ursus is the genus for bears.
- †Ursus americanus is the American black bear, whose ancient relatives lived here.
Uvigerina was a tiny single-celled organism.

V: From Tiny Organisms to Sea Snails

Vaginulina was a tiny single-celled organism.
Vasum are vase sea snails.
Venericardia was a type of clam.
†Verrucatosporites was ancient fungal spores.
Verticordia was a type of clam.
†Virgulina was a tiny single-celled organism.
†Vokesula was a type of sea snail.
Voluta are volute sea snails.
†Volvaria was a type of sea snail.

X: From Fish to Ancient Whales

Xenistius is a type of grunt fish.
Xenophora are carrier shell sea snails.
†Xiphiorhynchus was an ancient swordfish.

Y: From Clams to Ancient Whales

Yoldia is a type of nut clam.

Z: From Whales to Ancient Whales

†Zygorhiza was an ancient whale, related to the Basilosaurus.

Images for kids

Fossilized tooth of the Late Cretaceous shark Squalicorax pristodontus
Shell of an Acanthocardia cockle
Life restoration of the Miocene camel Aepycamelus, or the long-necked camel. Heinrich Harder (1920).
A living Alopias, or thresher shark
A living Ariosoma conger eel
Multiple views of a fossilized shell of the volute sea snail Athleta
Fossilized shell of the Paleocene-Miocene nautiloid cephalopod Aturia
Life restoration of the Eocene whale Basilosaurus
Illustration of a living Belone needlefish
Fossilized skeleton of the Pleistocene-Holocene bovid Bootherium bombifrons, or Harlan's musk ox.
Illustration of the shell of a Bullia nassa mud sea snail
Three modern shells of Calyptraea, or Chinese hat snails
A living Caretta caretta, or loggerhead sea turtle
A living Caryophyllia solitary coral
Illustration of a shell of a Cerithiella cerith sea snail
Test of a Cibicides foraminiferan
Multiple views of a fossilized shell of the Paleocene-Pliocene spindle sea snail Clavilithes
A living Conger
Fossilized shell of a Conus cone snail
Fossilized skeleton preserved in situ (upper left, 2) of the Miocene-Pliocene horse Cormohipparion
Fossil of the Early Cretaceous-Eocene shark Cretolamna
Electron micrograph of the shell of a Cyclammina foraminiferan
A living Dasyatis stingray
A living Diodon, or porcupinefish
Shell of a Distorsio sea snail
Test of Elphidium, an Eocene to modern foraminiferan
Shell of an Epitonium wentletrap sea snail
A living Eumeces skink
A living Ficus, or fig tree
A living Fusinus sea snail
A living Galeocerdo requiem shark
Fossilized shell of the Eocene-Miocene foam oyster Gigantostrea
Mounted fossilized skeleton of the Pleistocene armadillo relative Glyptotherium
Shells in differing orientations of Hastula augur sea snails
A living Heterodontus, or bullhead shark
A modern Isurus, or mako shark
A modern Lamna mackerel shark
Restoration of a Mammut americanum, or American mastodon
Life restoration of the Miocene three-toed horse Merychippus
A living Nassarius, or nassa mud snail
A living Naticarius moon sea snail
Shell of a Niso sea snail
Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula
A living Odontaspis sand shark
A living Ostracion boxfish
Petrified trunk segment of the Late Cretaceous-Miocene palm wood Palmoxylon
Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon
An apertural view of a shell of Penion maximus.
Shell of a Phalium, or bonnet shell sea snail
Shell of a Pitar venus clam
Fossilized shell of the Paleocene-modern moon snail Polinices
Fossilized skeleton of the Eocene bony fish Pristigenys
Shell in multiple views of a Pseudolatirus spindle sea snail
Assemblage of fossilized shells of the Cretaceous-Pleistocene oyster Pycnodonte
Shell of a Quinqueloculina foraminiferan
A living Retusa barrel bubble sea snail
A school of living Rhinoptera, or cownose rays
A living Sciaena umbra, or brown meagre
Several views of the shell of a Sinum moon snail
A living Sphyraena, or barracuda
Shell of a Spondylus, or spiny oyster
Restoration of the Miocene-Pliocene rhinoceros Teleoceras
Illustration of a living Trichiurus cutlassfish
A living Turbonilla parasitic pyram sea snail
Fossilized shells of the Late Jurassic-modern tower snail Turritella
A living Ursus americanus, or American black bear
A living Vasum, or vase sea snail
A living Voluta sea snail
Fossilized shell of the Late Cretaceous-modern carrier shell sea snail Xenophora
Life restoration of the Eocene whale Zygorhiza

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List of the prehistoric life of Louisiana Facts for Kids. Kiddle Encyclopedia.