Madygen, PIN collection 3267 (Triassic of Kyrgyzstan)

Where: Ösh, Kyrgyzstan (40.1° N, 70.2° E: paleocoordinates 41.2° N, 60.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Upper Member (Madygen Formation), Carnian (237.0 - 228.0 Ma)

• Usually considered Ladinian-Carnian; "Upper grey-coloured member"

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine - small; lithified siliciclastic sediments

• Oxbow lake; Madygen basin; tectonically-induced intermontane basin. Complex facies pattern consistent with active tectonics in upland region.

Size class: macrofossils

Preservation: adpression

Reposited in the PIN

Primary reference: E. K. Sytchevskaya. 1999. Freshwater fish fauna from the Triassic of Northern Asia. In G. Arratia & H.-P. Schultz (ed.), Mesozoic Fishes 2—Systematics and Fossil Record 445-468 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 200781: authorized by Matthew Carrano, entered by Matthew Carrano on 18.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Saurichthyiformes - Saurichthyidae
Saurichthys orientalis n. sp. Sytchevskaya 1999
PIN 3267/172a, b, 190, 175, 179a, b
 Perleidiformes - Perleididae
Alvinia serrata n. gen. n. sp., Megaperleidus lissolepis n. gen. n. sp.
Alvinia serrata n. gen. n. sp. Sytchevskaya 1999
PIN 3267/202, 104
Megaperleidus lissolepis n. gen. n. sp. Sytchevskaya 1999
PIN 3267/184
 Palaeonisciformes - Palaeoniscidae
Ferganiscus osteolepis n. gen. n. sp., Sixtelia asiatica n. gen. n. sp.
Ferganiscus osteolepis n. gen. n. sp. Sytchevskaya and Kakolev 1999
PIN 3267/17a, b, 18–21
Sixtelia asiatica n. gen. n. sp. Sytchevskaya 1999
PIN 3267/42a, b, 126–129
 Scanilepiformes - Evenkiidae
Oshia ferganica n. gen. n. sp.
Oshia ferganica n. gen. n. sp. Sytchevskaya 1999
PIN 3267/170, 82, 164a, b