Basin Omolon, Uljagan (Triassic of Russian Federation)

Where: Russian Federation (64.0° N, 162.0° E: paleocoordinates 67.0° N, 86.5° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Lacian (221.5 - 215.6 Ma)

• Early/Lower Norian

Environment/lithology: marine; siliciclastic sediments and shelly/skeletal limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: L. V. Milova. 1976. Triassic-Jurassic stratigraphy and Bivalvia of northern Priokhotye. Akademia Nauk SSSR, Trudy Severo-Vost. Kompl. Nauchno. Issled. Institut 65 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 39301: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 26.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pectinida - Entoliidae
 Pectinida - Pectinoidae
 Pectinida - Limidae
Lima transversa file clam
 Pectinida - Oxytomidae
Oxytoma mojsisovicsi Teller 1886 scallop
Oxytoma czekanowskii Teller 1886 scallop
 Pectinida - Monotidae
Monotis ochotica Keyserling 1848 scallop
incl. var. densistriata, var. eurhachis, var. pachypleura, var. aequicostata, var. sparsicostata and var. posteroplana
Monotis jakutica Teller 1896 scallop
 Ostreida - Gryphaeidae
Gryphaea arcuataeformis Kiparisova 1936 oyster
 Unionida - Actinodontophoridae