Ystannakh-Khocho Creek, outcrop 15, layer 20, Laptev Sea (Triassic of Russian Federation)

Where: Russian Federation (73.0° N, 121.7° E: paleocoordinates 65.0° N, 8.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Indigirites krugi ammonoid zone, Ulakhan-Krest Formation, Longobardian (242.0 - 235.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collection methods: Repository: IGiG (Institute for Geology and Geophysics, Novosibirsk)

Primary reference: A. S. Dagys and N. I. Kurushin. 1985. Triasovye brakhiopody i dvustvorchatye mollyuski severa sredney Sibiri. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 633:1-160 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135904: authorized by Matthew Clapham, entered by Matthew Clapham on 12.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculanida - Malletiidae
Lapteviella prontchistshevi Kurushin 1985 clam
Taimyrodon olenekensis Kiparisova 1937 clam