Where: Russian Federation (62.5° N, 159.0° E: paleocoordinates 76.5° N, 20.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Khivach Formation, Changhsingian (254.2 - 252.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Preservation: mold/impression

Collected by V.M. Zavodovsky in 1957

• Repository: TsGM (Leningrad)

Primary reference: V. M. Zavodowsky. 1960. Novyy Permskiy Predstavitel' Konokardiid Severo-Vostoka SSSR [New Permian representives of the Conocardiidae from northeastern SSSR]. Novye Vidy Drevnikh Rasteniy i Bespozvonochnykh SSSR [New Species of Fossil Plants and Invertebrates of the USSR] 1(2):31-33 [P. Wagner/P. Wagner/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 131246: authorized by Matthew Clapham, entered by Matthew Clapham on 22.07.2012

Creative Commons license: CC BY (attribution)