October Revolution Island [Vavilov Fm] (Devonian of Russian Federation)

Where: Russian Federation (79.5° N, 96.0° E: paleocoordinates 19.6° N, 4.9° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Vavilov Formation, Late/Upper Frasnian (379.5 - 376.1 Ma)

• STRATIGRAPHIC RELATIONS: From the Vavilov Fm, which regionally overlies the Matusevich Fm, and is overlain by the Mal'yutka Fm. AGE: Upper Frasnian. STRATIGRAPHIC POSITION: List probably representative of formation in the local area.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified carbonate

• SPECIFIC LITHOLOGY: Carbonates. LITHIFICATION: Lithified, assumed.

Size class: macrofossils

Collection methods: COLLECTOR: Karatajute-Talimaa & Mark-Kurik (1978-1979), Blieck (1997, 2002) REPOSITORY: Not stated in text.

Primary reference: A. R. M. Blieck, V. N. Karatajute-Talimaa, and E. Mark-Kurik. 2002. Upper Silurian and Devonian heterostracan pteraspidomorphs (Vertebrata) from Severnaya Zemlya (Russia): a preliminary report with biogeographical and biostratigraphical implications. Geodiversitas 24(4):805-820 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 90336: authorized by Austin Hendy, entered by Austin Hendy on 16.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for heterostracan pteraspidomorphs. NOMENCLATURE: Not an authoritative publication, but with modern nomenclature and species resolution identifications.
Pteraspidomorpha
 Psammosteiformes - Psammosteidae
Psammosteus sp. Agassiz 1844