Where: Russian Federation (73.0° N, 119.9° E: paleocoordinates 64.6° N, 8.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Arctoptychites omolojensis ammonoid zone, Fassanian (242.0 - 235.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: mold/impression

Primary reference: N. I. Kurushin. 1992. Triasovye Paleogeterodontnye i Geterodontnye Dvustvorki Sibiri. Trudy Instituta Geologii i Geofiziki 742:1-86 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97060: authorized by Matthew Clapham, entered by Matthew Clapham on 17.07.2010

Creative Commons license: CC BY (attribution)