Poteryakha-2, PIN 3713 (Permian of Russian Federation)

Where: Vologda, Russian Federation (60.5° N, 44.9° E: paleocoordinates 32.2° N, 37.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Proelginia permiana other zone, Poldarsa Formation, Late/Upper Severodvinian (265.0 - 254.0 Ma)

• Ilinskoe Subassemblage of the Sokolki Assemblage; the middle part of the Late Tatarian (the later part of the Severodvinian) (Golubev 2000; Benton 2012, Geology).

•Bottom of the Upper Tatarian Substage, upper part of the Severodvinian Horizon

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the PIN

Primary reference: M. F. Ivakhnenko. 2003. Eotherapsids from the East European Placket (Late Permian). Paleontological Journal 37(Suppl. 4):S339-S465 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 187928: authorized by Richard Butler, entered by Richard Butler on 17.08.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Tetrapoda - Chroniosuchidae
Chroniosaurus dongusensis2 Tverdochlebova 1972 tetrapod
PIN 3713/1, 2, 11, 13, 19, 38, 39, 54-58
Reptilia
 Gorgodontia - Gorgonopidae
Suchogorgon golubevi Tatarinov 2000 reptile
PIN 3713/40, 41, 42, canine, periotic and right maxilla
Osteichthyes
 Therapsida -
Suminia sp. Ivakhnenko 1994 therapsid
PIN 3713/7, dentary
 Seymouriamorpha - Kotlassidae
Microphon exiguus1 Ivakhnenko 1983 tetrapod
PIN 3713/48, 53, 60, 61, and 75 (skull fragments); nasal, no. 86; squamosal, no. 49; maxillae, nos. 45–47, and 72; dentaries, nos. 50, 52, and 59; and teeth, nos. 66–71, 73, 76–85, 171–180.