Tarrasiiformes

Tarrasiiformes; Temporal range: Carboniferous PreꞒ Ꞓ O S D C P T J K Pg N
	†Paratarrasius hibbardi Lund and Melton Jr. 1982 from the Mississippian (Serpukhovian) Heath Formation of Bear Gulch, Montana
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	†Tarrasiiformes
Families
	Tarrasiidae Traquair 1881 emend. Woodward 1891;

Tarasiiformes is an extinct order of prehistoric ray-finned fish.^[1]

Taxonomy

Order †Tarrasiiformes sensu Lund & Poplin 2002 [Haplistia]^[2]^[3]^[4]
- Family †Tarrasiidae Traquair 1881 emend. Woodward 1891
  - Genus †Apholidotos Lund ex Frickinger 1991
    - Species †Apholidotos ossna Lund ex Frickinger 1991
  - Genus †Paratarrasius Lund & Melton 1982
    - Species †Paratarrasius hibbardi Lund & Melton 1982
  - Genus †Tarrasius Traquair 1881
    - Species †Tarrasius problematicus Traquair 1881

Timeline of genera

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.

Bibliography

Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 363: 1–560. Retrieved 2011-05-17.

References

↑ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 363: 1–560. Retrieved 2009-02-27.
↑ Haaramo, Mikko (2007). "Chordata – lancets, tunicates, and vertebrates". Mikko's Phylogeny Archive. Retrieved 30 December 2016.
↑ Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). John Wiley & Sons. ISBN 978-1-118-34233-6.
↑ van der Laan, Richard (2016). "Family-group names of fossil fishes". {{cite journal}}: Cite journal requires |journal= (help)
↑ Lauren Cole Sallan (23 May 2012). "Tetrapod-like axial regionalization in an early ray-finned fish". Proceedings of the Royal Society B. 279 (1741): 3264–3271. doi:10.1098/rspb.2012.0784. PMC 3385743. PMID 22628471.
↑ "Human-Like Spine Morphology Found in Aquatic Eel Fossil". Science Daily. May 22, 2012.

External links

Bony fish in the online Sepkoski Database

[sepkoskidb-1] Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 363: 1–560. Retrieved 2009-02-27.

[mikko-2] Haaramo, Mikko (2007). "Chordata – lancets, tunicates, and vertebrates". Mikko's Phylogeny Archive. Retrieved 30 December 2016.

[Nelson-3] Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). Fishes of the World (5th ed.). John Wiley & Sons. ISBN 978-1-118-34233-6.

[van_der_Laan-4] van der Laan, Richard (2016). "Family-group names of fossil fishes". {{cite journal}}: Cite journal requires |journal= (help)

[5] Lauren Cole Sallan (23 May 2012). "Tetrapod-like axial regionalization in an early ray-finned fish". Proceedings of the Royal Society B. 279 (1741): 3264–3271. doi:10.1098/rspb.2012.0784. PMC 3385743. PMID 22628471.

[6] "Human-Like Spine Morphology Found in Aquatic Eel Fossil". Science Daily. May 22, 2012.

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