Purly Locality, PIN 1538 (Permian of Russian Federation)

Where: Nizhnii Novgorod, Russian Federation (57.9° N, 47.1° E: paleocoordinates 31.8° N, 38.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Archosaurus rossicus other zone, Vyatkian (259.0 - 252.3 Ma)

• Vyazniki Assemblage; the terminal part of the Late Tatarian (terminal part of the Vyatkian) (Golubev 2000; Benton 2012, Geology).

•"similarly old collection [as the type locality of Archosaurus rossicus]" (Gower & Sennikov, 2000);

•"same geological age as the type locality [of Megawhaitsia patrichae]" (Ivakhnenko, 2008);

•the type locality of M. patrichae and A. rossicus is Vyazniki, being Vyatkian in age

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: D. J. Gower and A. G. Sennikov. 2000. Early Archosaurs from Russia. In M. J. Benton, M. A. Shishkin, D. M. Unwin & E. N. Kurochkin (eds.), The Age of Dinosaurs in Russia and Mongolia. Cambridge University Press, Cambridge 140-159 [J. Mueller/T. Liebrecht]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 86356: authorized by Johannes Mueller, entered by Torsten Liebrecht on 31.01.2009, edited by Emma Dunne and Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Temnospondyli - Dvinosauridae
Dvinosaurus purlensis n. sp.3 Shishkin 1968 tetrapod
PIN 1538/18 (Holotype, mandibular fragment). This material has not be properly described according to Schoch & Milner (2014)
 Tetrapoda - Chroniosuchidae
Uralerpeton tverdochlebovae2 Golubev 1998 tetrapod
Reptilia
 Eosuchia - Proterosuchidae
Archosaurus sp. Tatarinov 1960 archosauromorph
PIN 1538/1 (left postorbital), 1538/4 (trunk vertebra)
Osteichthyes
 Therapsida - Dicynodontidae
Dicynodontidae indet.2 Owen 1859 dicynodont
 Therocephalia - Nanictidopidae
Purlovia maxima n. gen. n. sp.2
Purlovia maxima n. gen. n. sp.2 Ivakhnenko 2011 therapsid
PIN 1538/47 (holotype), skull; PIN 1538/40
 Therocephalia - Scaloposauridae
Malasaurus germanus n. gen. n. sp.2
Malasaurus germanus n. gen. n. sp.2 Tatarinov 2002 therapsid
PIN 1538/68 (holotype), dentary fragment. PIN 1538/42.
 Therocephalia - Annatherapsididae
Annatherapsidus postum n. sp.2 Ivakhnenko 2011 therapsid
PIN 1538/69 (holotype), left dentary. PIN 1538/70, 71
 Therocephalia - Whaitsiidae
"Hexacynodon purlinensis n. gen. n. sp." = Moschowhaitsia vjuschkovi2, Megawhaitsia patrichae1
"Hexacynodon purlinensis n. gen. n. sp." = Moschowhaitsia vjuschkovi2 Tatarinov 1963 therapsid
PIN 1538/6 (holotype), maxilla; PIN 1538/8, 9, 10, 11, 12
Megawhaitsia patrichae1 Ivakhnenko 2008 therapsid
PIN 1538/39 (partial maxillary)