Lyaiol River, 18 km from mouth, bed 11 (Devonian of Russian Federation)

Where: Komi Republic, Russian Federation (63.4° N, 53.8° E: paleocoordinates 6.4° N, 11.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Assigned to fauna 8c, Lyaiol Formation, member 3, main (middle to upper) part. Correlated with Upper Frasnian conodont zone MN12 (lower part) by Becker et al. (2000).

• bed-level stratigraphic resolution

Environment/lithology: lithified 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 172115: authorized by Matthew Clapham, entered by Matthew Clapham on 26.07.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Tornoceratidae
Tornoceras sp. Hyatt 1884 ammonite
 Agoniatitida - Gephuroceratidae
Manticoceras intumescens Beyrich 1837 ammonite
Manticoceras cordatum Sandberger and Sandberger 1856 ammonite
Manticoceras latisellatum Janischewsky 1926 ammonite
Manticoceras lyaiolense Ljaschenko 1957 ammonite
Manticoceras carinatum Beyrich 1837 ammonite