SW Verkhoyansk Mountains (Lepiske and Nuora River Basins), Kybytygas Formation (Triassic of Russian Federation)

Where: Russian Federation (64.6° N, 128.9° E: paleocoordinates 85.9° N, 164.7° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Kybytygas Formation, Rhaetian (208.5 - 201.3 Ma)

• Efimovae Zone

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone

Size class: macrofossils

Primary reference: A. M. Kazakov and N. I. Kurushin. 1992. Stratigraphy of Norian and Rhaetian deposits in the northern Middle Siberia. Russian Geology and Geophysics 33(6):1-8 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 69448: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Carditida - Cardiniidae
Cardinia sp. Agassiz 1841 clam
 Cardiida - Anthracosiidae
 Cardiida - Tancrediidae
 Myalinida - Inoceramidae
"Pseudomytiloides" sp. Koschelkina 1963 clam
 Pectinida - Pectinoidae
Tosapecten efimovae Polubotko 1966 scallop