Pteroniscus

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For the Triassic ray-finned fish, see Pteronisculus.
For the extant plant, see Pterodiscus (plant).

Pteroniscus
Temporal range: late Middle Jurassic-early Late Jurassic
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Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: †Palaeonisciformes
Genus: †Pteroniscus
Berg, 1949
Type species
†Oxygnathus turkestanensis
Gorizdro-Kulczycka, 1926

Pteroniscus is an extinct genus of prehistoric "palaeoniscoid" ray-finned fish that lived during the Jurassic period in what is now Kazakhstan, Central Asia.[1] Fossils were recovered from the late Middle Jurassic or early Late Jurassic (Callovian/Oxfordian) Karabastau Formation in the Tian Shan mountains.[1]

Classification

Pteroniscus is a late representative of the Palaeonisciformes, a group of archaic bony fish typical of the Paleozoic Era that survived until the lower Cretaceous. The relationships of Pteroniscus within the group are not clear, although in the past it was associated with the families Palaeoniscidae, Coccolepididae and Uighuroniscidae. A recent study suggests that Pteroniscus might be closely related to Daqingshaniscus.[1] Attribution at the family level is currently left as incertae sedis.[1]

See also

References

  1. ^ a b c d Skrzycka, Roksana (2014). "Revision of two relic actinopterygians from the Middle or Upper Jurassic Karabastau Formation, Karatau Range, Kazakhstan". Alcheringa: An Australasian Journal of Palaeontology. 38 (3): 364–390. Bibcode:2014Alch...38..364S. doi:10.1080/03115518.2014.880267. S2CID 129308632.


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