Mengilyakh Creek Bed 3 (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 numerous large calcareous nod-

•ules 0.5 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 72344: authorized by Alistair McGowan, entered by Alistair McGowan on 01.06.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ceratitida - Sibiritidae
Sibirites eichwaldi, Olenekoceras middendorffi
Sibirites eichwaldi Keyserling 1845 ceratite
Olenekoceras middendorffi Keyserling 1845 ceratite
 Ceratitida - Keyserlingitidae
Subolenekites altus
Subolenekites altus Mojsisovics 1886 ceratite
 Ceratitida -
"Nordophiceras euomphalus" = Bajarunia euomphala
"Nordophiceras euomphalus" = Bajarunia euomphala Keyserling 1845 ceratite
 Ceratitida - Proptychitidae
Boreomeekoceras keyserlingi, Arctomeekoceras sp.
Boreomeekoceras keyserlingi Mojsisovics 1886 ceratite
Arctomeekoceras sp. Popov 1962 ceratite