Narynsuchus

Narynsuchus; Temporal range: Middle Jurassic
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Superorder:	Crocodylomorpha
Order:	Neosuchia
(unranked):	Goniopholididae?
Genus:	† Narynsuchus; Averianov et al., 1990
Species
	† N. ferganensis Averianov et al. 1990;

Narynsuchus is an extinct genus of giant Goniopholidid Crocodylian. Because it has not yet been formally described, it is currently considered a nomen nudum. The name was first used in 1990 for fossil material found from a formation called the Balabansai Svita, which forms a lens in site FTA-30 of the Sarykamyshsai 1 locality in the Fergana Valley of Kyrgyzstan.^[1] The formation dates back to the Callovian stage of the Middle Jurassic.^[2] The type species of "Narynsuchus" is "N. ferganensis".Being semi-aquatic it is very similar to modern crocodiles. It ranged from 7–8 metres in length, and would have had a very similar lifestyle to the American alligator or Nile crocodile.

Material belonging to "Narynsuchus" consists of large and characteristically striated teeth as well as a robust left tibia.^[3] "Narynsuchus" is thought to have been larger than Sunosuchus, another crocodyliform from Sarykamyshsai 1, due to the greater size of the known elements belonging to the genus.^[2] This material was first recognized as belonging to a new crocodyliform in 1989, when it was referred to as an indeterminant species of Peipehsuchus.^[3]

References

↑ Nessov, L. A. (1990). "Late Jurassic labyrinthodont (Amphibia, Labyrinthodontia) among other relict vertebrate groups in northern Fergana". Paleontologicheskii Zhurnal. 3: 82–90.
1 2 Averianov, A. O. (2000). "Sunosuchus sp. (Crocodylomorpha, Goniopholididae) from the Middle Jurassic of Kirghisia" (PDF). Journal of Vertebrate Paleontology. 20 (4): 776–779. doi:10.1671/0272-4634(2000)020[0776:SSCGFT]2.0.CO;2. S2CID 85976137.
1 2 Nessov, L. A.; Kaznyshkina, L. F.; Cherepanov, G. O. (1989). "Mesozoic dinosaurians-ceratopses and crocodiles of Central Asia". In Bogdanova, T. N.; Khozatsky, L. I. (eds.). Theoretical and Applied Aspects of Modern Paleontology. Leningrad: Nauka. pp. 144–154.

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[NLA90-1] Nessov, L. A. (1990). "Late Jurassic labyrinthodont (Amphibia, Labyrinthodontia) among other relict vertebrate groups in northern Fergana". Paleontologicheskii Zhurnal. 3: 82–90.

[AOA00-2] 1 2 Averianov, A. O. (2000). "Sunosuchus sp. (Crocodylomorpha, Goniopholididae) from the Middle Jurassic of Kirghisia" (PDF). Journal of Vertebrate Paleontology. 20 (4): 776–779. doi:10.1671/0272-4634(2000)020[0776:SSCGFT]2.0.CO;2. S2CID 85976137.

[NKC89-3] 1 2 Nessov, L. A.; Kaznyshkina, L. F.; Cherepanov, G. O. (1989). "Mesozoic dinosaurians-ceratopses and crocodiles of Central Asia". In Bogdanova, T. N.; Khozatsky, L. I. (eds.). Theoretical and Applied Aspects of Modern Paleontology. Leningrad: Nauka. pp. 144–154.

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