Mengilyakh Creek Bed 21 (Triassic of Russian Federation)

Where: Siberia, Russian Federation (72.8° N, 121.0° E: paleocoordinates 63.0° N, 19.6° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Pastanakhskaya/Ystannakhskaya Formation, Olenekian (251.2 - 247.2 Ma)

Environment/lithology: marine; black, calcareous mudstone

• Black mudstone with large calcareous nodules 1.0 m

•

Primary reference: Y. D. Zakharov. 2007. Examples of Late Olenekian invertebrate successions: Paper 2. Arctic Siberia (Mengilyakh Creek). Albertiana 35:52-58 [A. McGowan/A. McGowan/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 72354: authorized by Alistair McGowan, entered by Alistair McGowan on 01.06.2007, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ceratitida - Olenikitidae
Olenikites spiniplicatus
Olenikites spiniplicatus Mojsisovics 1886 ceratite
 Ceratitida - Sibiritidae
Olenekoceras middendorffi, Sibirites eichwaldi
Olenekoceras middendorffi Keyserling 1845 ceratite
Sibirites eichwaldi Keyserling 1845 ceratite
 Ceratitida - Proptychitidae
Arctomeekoceras rotundatum
Arctomeekoceras rotundatum Mojsisovics 1886 ceratite
 Phylloceratida - Nordophiceratidae
Nordophiceras schmidti
Nordophiceras schmidti Mojsisovics 1886 ammonite
Bivalvia
 Ostreida - Posidoniidae
? Posidonia sp.
? Posidonia sp. Bronn 1828 oyster
Lingulata
 Lingulida - Lingulidae
Lingularia sp.
Lingularia sp. Biernat and Emig 1993