Lyaiol River, 23 km from mouth (Lyaiol Member 2) (Devonian of Russian Federation)

Where: Komi Republic, Russian Federation (63.3° N, 53.7° E: paleocoordinates 6.3° N, 11.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Virginoceras ljaschenkoae ammonoid zone, Lyaiol Formation, Late/Upper Frasnian (379.5 - 376.1 Ma)

• Faunal level 7a, Lyaiol Formation, Member 2, main part. Lower MN 11 conodont zone.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: R. T. Becker, M. R. House, V. V. Menner and N. S. Ovnatanova. 2000. Revision of ammonoid biostratigraphy in the Frasnian (Upper Devonian) of the Southern Timan (northeast Russian Platform). Acta Geologica Polonica 50:67-97 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172474: authorized by Matthew Clapham, entered by Matthew Clapham on 08.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Tornoceratidae
Linguatornoceras clausum Glenister 1958 ammonite
 Agoniatitida - Gephuroceratidae
Manticoceras cordatum Sandberger and Sandberger 1856 ammonite
Manticoceras carinatum Beyrich 1837 ammonite
Carinoceras menneri Ljaschenko 1957 ammonite