Tarrasiiformes Temporal range:
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†Paratarrasius hibbardi Lund and Melton Jr. 1982 from the Mississippian (Serpukhovian) Heath Formation of Bear Gulch, Montana | |
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Order: | Tarrasiiformes
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Tarasiiformes is an extinct order of prehistoric ray-finned fish. [1]
Tarrasius is an extinct genus of Tarasiiformes. Tarrasius problematicus (of Mississippian origin, ~ 350 Ma) featured a fully regionalized tetrapod-like spine divided into 5 distinct segments. [5] [6] It is not considered a transitional fossil though, but an extreme example of convergent evolution.
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Tarrasiiformes Temporal range:
| |
---|---|
![]() | |
†Paratarrasius hibbardi Lund and Melton Jr. 1982 from the Mississippian (Serpukhovian) Heath Formation of Bear Gulch, Montana | |
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Order: | Tarrasiiformes
|
Families | |
|
Tarasiiformes is an extinct order of prehistoric ray-finned fish. [1]
Tarrasius is an extinct genus of Tarasiiformes. Tarrasius problematicus (of Mississippian origin, ~ 350 Ma) featured a fully regionalized tetrapod-like spine divided into 5 distinct segments. [5] [6] It is not considered a transitional fossil though, but an extreme example of convergent evolution.
{{
cite journal}}
: Cite journal requires |journal=
(
help)