Also known as Northern Dvina; Little Northern Dvina; Malaya Severnaya Dvina; Kotlas

Where: Arkhangelsk, Russian Federation (61.2° N, 46.6° E: paleocoordinates 33.5° N, 37.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Scutosaurus karpinskii other zone, Salarevo Formation, Late/Upper Severodvinian to Late/Upper Severodvinian (265.0 - 252.3 Ma)

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

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•"Vyatka Regional Stage" (Kurkin, 1999).

•Chronostratigraphy originally entered as >>Zechstein<<.

•Lithostratigraphic data are from Ivakhnenko (2008); Salarevo Formation therein referred to as "Salarevskaya Svita" (TL).

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by V. P. Amalitskii; reposited in the PIN

• It appears that Amalitzky collected at the Sokolki site whereas Edemski excavated at the Zavrazhe locality (end of 19th and beginning of 20th century).

Primary reference: A. A. Kurkin. 1999. Novyy ditsinodont iz raskopok na reke Maloy Severnoy Dvine. [New dicynodont from Little Northern Dvina River excavations]. Paleontologicheskii Zhurnal 1999(3):87-92 [J. Alroy/R. Whatley/T. Liebrecht]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 28065: authorized by John Alroy, entered by Robin Whatley on 22.01.2003, edited by Torsten Liebrecht, Juan Benito Moreno and Richard Butler

Creative Commons license: CC BY (attribution)