Locality FBX 7, Uurusay Valley, Naryn River, Fergana, near Tashkumyr (Jurassic of Kyrgyzstan)

Where: Jalal-Abad, Kyrgyzstan (41.3° N, 72.2° E: paleocoordinates 40.8° N, 76.3° E)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Balabansai Formation, Callovian (166.1 - 163.5 Ma)

• fossiliferous lens, about 30 cm thick; Lower Part of the Balobansay Fm, 28m from the base, 53m below top; Balobansay = Balabansai = Balobansai

Environment/lithology: lagoonal; sandstone and siltstone

• Varicolored sandstones and siltstones with abundant vertebrate remains. Interpreted as formed by a mud-turbidity current

Size classes: macrofossils, mesofossils

Collected by Nessov

Collection methods: bulk, sieve,

Primary reference: L. A. Nessov. 1991. A Late Jurassic labyrinthodont (Amphibia, Labyrinthodontia) along other relict groups of vertebrates from northern Fergana. Paleontological Journal 24(3):83-90 [E. Fara/E. Fara/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 37597: authorized by Emmanuel Fara, entered by Emmanuel Fara on 17.03.2004, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hybodontiformes - Polyacrodontidae
Osteichthyes indet. bony fish
 Lepisosteiformes -
? Lepidotes sp. Agassiz 1843 gar
 Palaeoniscoidea -
 Dipnoi -
Ferganoceratodus jurassicus Nessov and Kaznyshkin 1985 lungfish
 Testudines - Xinjiangchelyidae
Xinjiangchelys cf. latimarginalis Young and Chow 1953 turtle
 Saurischia -
 Theropoda -
 Ornithischia -
Ferganastegos callovicus n. gen. n. sp.
Ferganastegos callovicus n. gen. n. sp. Ulansky 2014 ornithischian
 Neornithischia -
Ornithopoda indet. bird foot dinosaur
 Pterosauria -
 Loricata - Goniopholididae
"Goniopholidae indet." = Goniopholididae
"Goniopholidae indet." = Goniopholididae Cope 1875 crocodilian
 Loricata -
Peipehsuchus sp. Young 1948 marine crocodile
 Squamata -
 Labyrinthodontia -