Kiselikha, PIN 158, Lower Mezen' River (Permian to of Russian Federation)

Also known as Nizhnyaya Mezen'; Mezen' Basin

Where: Arkhangelsk, Russian Federation (65.6° N, 44.6° E: paleocoordinates 34.0° N, 33.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ennatosaurus tecton other zone, Late/Upper Kazanian to Late/Upper Kazanian (272.5 - 265.0 Ma)

• Upper Kazanian substage to lower Tatarian (= Urzhumian); Mezen Assemblage of the Dinocephalian Superassemblage (Golubev 2000)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the PIN

Primary reference: G. I. Tverdokhlebova and M. F. Ivakhnenko. 1984. Nikteroletery iz Permskikh Otlozheniy Vostochnoy Evropy [Nycteroleters from the Permian of Eastern Europe]. Paleontologicheskii Zhurnal 1984(3):98-111 [J. Mueller/J. Dummasch/T. Liebrecht]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 79948: authorized by Johannes Mueller, entered by Jana Dummasch on 28.03.2008, edited by Torsten Liebrecht

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Parareptilia - Nyctiphruretidae
Nyctiphruretus acudens n. gen. n. sp.2
Nyctiphruretus acudens n. gen. n. sp.2 Efremov 1938 parareptile
PIN 158/4 (erroneously said to be the holotype in Efremov, 1940, and Ivakhnenko 1979), 158/5 (type), 158/6, 158/7
 Procolophonomorpha - Nycteroleteridae
Nycteroleter ineptus n. gen. n. sp.1
Nycteroleter ineptus n. gen. n. sp.1 Efremov 1938 parareptile
PIN 158/9 (type)
Osteichthyes
 Synapsida - Varanopidae
Mesenosaurus romeri n. gen. n. sp.3
Mesenosaurus romeri n. gen. n. sp.3 Efremov 1938 synapsid
PIN 158/1 (type), 158/2, 158/3, 158/18 to 158/20