PIN 4370, Hey Yaga River (Triassic of Russian Federation)

Also known as Khey-Yaga River

Where: Arkhangel'sk, Russian Federation (68.8° N, 63.9° E: paleocoordinates 45.8° N, 29.8° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Nyadeytinskaya Formation, Olenekian (251.2 - 247.2 Ma)

• Yarenskian Gorizont

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Collected by V. I. Chalyshev in 1961; reposited in the PIN

Primary reference: R. R. Schoch and A. R. Milner. 2014. Handbook of Paleoherpetology Part 3A2 Temnospondyli I. [R. Butler/E. Dunne/E. Dunne]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189553: authorized by Richard Butler, entered by Richard Butler on 30.10.2017, edited by Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Temnospondyli - Mastodonsauridae
Komatosuchus chalyshevi n. sp. Novikov and Shishkin 1992 tetrapod
PIN 4370/2, right branch of lower jaw
 Temnospondyli - Tupilakosauridae
"Batrachosuchoides impressus n. sp." = Batrachosuchoides lacer
"Batrachosuchoides impressus n. sp." = Batrachosuchoides lacer Shishkin 1967 tetrapod
PIN 4370/1, impression of skull roof