Occithrissops

Occithrissops
Temporal range: Middle Jurassic
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Division: Teleostei
Order: †Ichthyodectiformes
Genus: †Occithrissops
Schaeffer & Patterson, 1984
Type species
†Occithrissops willsoni
Schaeffer & Patterson, 1984

Occithrissops is an extinct genus of ray-finned fish of the Jurassic, described from Sundance Formation. The genus name of Occithrissops refers to the occidental occurrence of the genus and its relationship to Thrissops.[1]

Description

Occithrissops reached length about 20 centimetres (7.9 in). Although it is placed within Ichthyodectiformes, it have some different characters compared to other Jurassic ichthyodectiform Thrissops and Allothrissops, and original description described this taxon as Ichthyodectiformes incertae sedis.[1] Later study considered this taxon is basal ichthyodectiform, and shared some morphological similarities with Jinjuichthys.[2]

References

  1. ^ a b Schaeffer, Bobb; Patterson, Colin (1984). "Jurassic fishes from the western United States, with comments on Jurassic fish distribution. American Museum novitates; no. 2796". American Museum of Natural History. hdl:2246/5270.
  2. ^ Kim, Haang-Mook; Chang, Mee-Mann; Wu, Feixiang; Kim, Yang-Hee (2014-01-01). "A new ichthyodectiform (Pisces, Teleostei) from the Lower Cretaceous of South Korea and its paleobiogeographic implication". Cretaceous Research. 47: 117–130. doi:10.1016/j.cretres.2013.11.007. ISSN 0195-6671.


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