Malaya Usa River, outcrop 18, Usa River basin (Devonian of Russian Federation)

Where: Komi Republic, Russian Federation (67.8° N, 65.5° E: paleocoordinates 10.5° N, 7.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Frasnian (383.7 - 382.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray limestone

Size class: macrofossils

Reposited in the PIN

Primary reference: B. I. Bogoslovsky. 1969. Devonskie ammonoidei I. Agoniatitidy. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 124:1-328 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172098: authorized by Matthew Clapham, entered by Matthew Clapham on 25.07.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Tornoceratidae
Tornoceras simplex von Buch 1832 ammonite
 Agoniatitida - Koenenitidae
Timanites keyserlingi Miller and Warren 1936 ammonite