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Type specimen facts for kids

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Marocaster coronatus MHNT.PAL.2010.2.2 (Close up)
Type specimen for Marocaster coronatus - MHNT
Cimbrophlebia brooksi Holotype SR 06-20-05 A
Type specimen for Cimbrophlebia brooksi, a fossil scorpion fly. The red label denotes a type specimen.

In biology, a type specimen is a particular specimen to which a scientific name is formally attached. For this purpose a specimen is something that can be kept, unchanging, for a long time (for centuries). A specimen may be an organism, a part of an organism, or many small organisms together.

Preferably a type specimen should be kept where researchers may have a chance to study it. Often, type specimens are kept in museums and the like. A type specimen need not be typical, that is, it need not be representative.

A type specimen can be assigned when a name is first published, or it can be assigned later. Besides type specimens there are other form of types.

One particular type specimen may have any number of scientific names attached to it. For example the names Fabaceae (family), Faboideae (subfamily), and Faba (genus) all have the same specimen as the type. For any one circumscription, position, and rank of a taxon only one name can be correct (for a genus that includes the type specimens of the names Vicia and Faba, both, the correct name will be Vicia).

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