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Kichkassia

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Kichkassia
Temporal range: Middle Permian (Wordian)
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Eurynotoidiformes
Family: Eurynotoidiidae
Genus: Kichkassia
Minikh, 1990
Species:
K. furcae
Binomial name
Kichkassia furcae
Minikh, 1990
Synonyms
  • Amblypterina Berg, 1940
  • Amblypterina costata (Eichwald, 1860)

Kichkassia is an extinct genus of prehistoric freshwater ray-finned fish from the order Eurynotoidiformes. It contains only a single species, K. furcae, known from the Middle Permian (Wordian) of European Russia.[1][2][3] The former genus Amblypterina and its type species A. costata are considered a junior synonym of it, although some of its species have also been transferred to Isadia.[2][4]

It had relatively narrow, unspecialized teeth, and may have thus been omnivorous in life, with a primary diet of soft-carapaced invertebrates.[3]

References

[edit]
  1. "PBDB". paleobiodb.org. Retrieved 2024-02-16.
  2. 1 2 Bakaev, Aleksandr S.; Kogan, Ilja; Yankevich, Dmitri I. (2020-06-22). "On the validity of names of some Permian actinopterygians from European Russia". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen: 305–316. doi:10.1127/njgpa/2020/0907.
  3. 1 2 Bakaev, Aleksandr S.; Bulanov, Valery V.; Kogan, Ilja; Johanson, Zerina; Minikh, Alla V. (2024). "Early ray-finned herbivores: the dental system of Eurynotoidiidae (Actinopterygii; middle–late Permian, European Russia) and implications for palaeobiology and palaeoecology". Palaeontology. 67 (3) e12700. doi:10.1111/pala.12700. ISSN 1475-4983.
  4. Bakaev, A. S. (2022-12-01). "On the Revision of the Permian Ray-Finned Fishes of European Russia. Part 2". Paleontological Journal. 56 (6): 670–681. doi:10.1134/S003103012206003X. ISSN 1555-6174.