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Mezenskaya Pizhma and Lower Syamzhen'ga (Triassic of Russian Federation)

Also known as Pizhma-Mezenskaya, Pizhmo-Mezen' River; Lower Syamzhenga; Nizhnyaya Syamzhenga-III, Nizhnyaya Syamzhenga-IV, Nizhnyaya Syamzhenga-VIII, Nizhnyaya Syamzhenga-X, Nizhyaya Syamzhenga-XII, Pizhma-I; Mezen' River Basin

Where: Arkhangelsk, Russian Federation (64.6° N, 48.8° E: paleocoordinates 38.5° N, 30.2° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Pizhmomezenskoi Formation, Olenekian (251.3 - 247.2 Ma)

• Lower Triassic, upper Sludiskian, Vetlugian, Pizhmomezenskoi Formation (Novikov, 1991).

•Ust'-Myl'skian, Lower Olenekian, Lower Triassic (Ivakhnenko, 2008).

• member-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Reposited in the PIN

Primary reference: I. V. Novikov. 1991. Novye Dannye po Prokolofoninam SSSR [New data on Procolophonines of the USSR]. Paleontologicheskii Zhurnal 1991(2):73-85 [J. Mueller/T. Liebrecht] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93382: authorized by Johannes Mueller, entered by Torsten Liebrecht on 17.01.2010

Creative Commons license: CC BY (attribution)