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Australopachycormus

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Australopachycormus
Temporal range: Late Albian
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Pachycormiformes
Family: Pachycormidae
Genus: Australopachycormus
Kear, 2007
Type species
Australopachycormus hurleyi
Kear, 2007

Australopachycormus is an extinct genus of marine pachycormiform fish. It is only known from the type species, A. hurleyi, from the Early Cretaceous (Albian) Toolebuc Formation of Queensland, Australia. Like the related Protosphyraena, it possessed an elongated rostrum.[1][2] Recent studies have recovered it as a junior synonym of Protosphyraena because of their lack of chronological separation and because of the fragmentary pectoral fin of Australopachycormus which is indistinguishable to consider it as a valid taxon.[3][4]

Etymology

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The generic name derives from the Greek word 'Australo' (meaning 'southern') and 'pachycormus' (pachycormid generic name), referring to the fact that A. hurleyi is the first early Cretaceous pachycormid recorded from the southern hemisphere. The specific name honors Tom Hurley, who discovered the holotype specimen.[2]

References

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  1. ^ "PBDB Taxon". paleobiodb.org. Retrieved 2024-06-11.
  2. ^ a b Kear, Benjamin P. (2007-12-12). "First record of a pachycormid fish (Actinopterygii: Pachycormiformes) from the Lower Cretaceous of Australia". Journal of Vertebrate Paleontology. 27 (4): 1033–1038. doi:10.1671/0272-4634(2007)27[1033:FROAPF]2.0.CO;2. ISSN 0272-4634. S2CID 89193950.
  3. ^ Gouiric-Cavalli, Soledad; Arratia, Gloria (2021-11-02). "A new †Pachycormiformes (Actinopterygii) from the Upper Jurassic of Gondwana sheds light on the evolutionary history of the group". Journal of Systematic Palaeontology. 19 (21): 1517–1550. doi:10.1080/14772019.2022.2049382. ISSN 1477-2019.
  4. ^ Kanarkina, A.; Zverkov, N.; Polyakova, I. (2024). "New evidence of the global distribution of the swordfish-like pachycormid Protosphyraena in the late Early Cretaceous and a review of global records of the genus". Cretaceous Research. 106019. doi:10.1016/j.cretres.2024.106019.