Stan-Khaya-Yurege Creek, dzeginense subzone, Olenek Arm, Lena delta, Laptev Sea (Triassic of Russian Federation)

Where: Russian Federation (73.0° N, 120.5° E: paleocoordinates 63.4° N, 15.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Frechites nevadanus ammonoid zone, Illyrian (247.2 - 242.0 Ma)

• Parafrechites dzeginense subzone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: TsSGM (Central Siberian Geological Museum in the Institute of Geology, Geography and Mineralogy of the Siberian Branch, Russian Academy of Sciences, Novosibirsk), same as IGiG (Institute for Geology and Geophysics, Novosibirsk)

Primary reference: A. G. Konstantinov. 1991. Biostratigrafiya i ammonoidei verkhnego Aniziya severa Sibiri. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 787:1-136 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107126: authorized by Matthew Clapham, entered by Matthew Clapham on 01.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Halobiidae
Daonella americana Smith 1914 oyster
Cephalopoda
 Ceratitida - Ceratitidae
Frechitoides migayi Kiparisova 1958 ceratite
Frechitoides carinatus n. sp. Konstantinov 1987 ceratite
 Ceratitida - Ptychitidae
Ptychites pseudoeuglyphus Konstantinov 1991 ceratite
 Ceratitida - Longobarditidae
"Longobardites canadensis" = Intornites canadensis
"Longobardites canadensis" = Intornites canadensis McLearn 1946 ceratite