PBDB Collection

Mengilyakh Creek, spiniplicatus zone, Olenek River (IGiG coll) (Triassic of Russian Federation)

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

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Olenikites spiniplicatus ammonoid zone, Spathian (251.3 - 247.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by A.S. Dagis, N.I. Kurushina; S.P. Yermakova, E.S. Sobolev in 1976; 1983

• IGiG collection (Institute of Geology and Geophysics, Novosibirsk), collected by Dagis and Kurushina in 1976, and by Yermakova and Sobolev in 1983

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 107049: authorized by Matthew Clapham, entered by Matthew Clapham on 31.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Cephalopoda
Phylloceratida - Nordophiceratidae	Nordophiceras karpinskii², Nordophiceras schmidti² Nordophiceras karpinskii² Mojsisovics 1886 ammonite IGiG coll, same as fig 4 in 1996 Nordophiceras schmidti² Mojsisovics 1886 ammonite
Ceratitida - Olenikitidae	Olenikites spiniplicatus², Pseudosvalbardiceras sibiricum², Pseudosvalbardiceras aff. sibiricum² Olenikites spiniplicatus² Mojsisovics 1886 ceratite Pseudosvalbardiceras sibiricum² Mojsisovics 1886 ceratite Pseudosvalbardiceras aff. sibiricum² Mojsisovics 1886 ceratite
Ceratitida - Keyserlingitidae	Keyserlingites subrobustus², Subolenekites altus² Keyserlingites subrobustus² Mojsisovics 1886 ceratite Subolenekites altus² Mojsisovics 1886 ceratite
Ceratitida - Sibiritidae	Timoceras glacialis¹, Olenekoceras middendorfi², Olenekoceras schrenki², Olenekoceras nikitini², Sibirites eichwaldi² Timoceras glacialis¹ Mojsisovics 1886 ceratite Olenekoceras middendorfi² Keyserling 1845 ceratite Olenekoceras schrenki² Mojsisovics 1886 ceratite Olenekoceras nikitini² Mojsisovics 1888 ceratite Sibirites eichwaldi² Keyserling 1845 ceratite
Ceratitida - Prosphingitidae	Prosphingites czekanowskii¹ Prosphingites czekanowskii¹ Mojsisovics 1886 ceratite
Ceratitida - Proptychitidae	Arctomeekoceras rotundatum², Arctomeekoceras aff. rotundatum², Boreomeekoceras keyserlingi², Boreomeekoceras aff. keyserlingi² Arctomeekoceras rotundatum² Mojsisovics 1886 ceratite Arctomeekoceras aff. rotundatum² Mojsisovics 1886 ceratite Boreomeekoceras keyserlingi² Mojsisovics 1886 ceratite Boreomeekoceras aff. keyserlingi² Mojsisovics 1886 ceratite
Nautilida - Tainoceratidae	"Phaedrysmocheilus subaratus" = Phaedrysmocheilus subaratus³, "Phaedrysmocheilus olenekensis" = Phaedrysmocheilus subaratus³, Phaedrysmocheilus velivolus n. sp.³ "Phaedrysmocheilus subaratus" = Phaedrysmocheilus subaratus³ Keyserling 1847 nautiloid "Phaedrysmocheilus olenekensis" = Phaedrysmocheilus subaratus³ Keyserling 1847 nautiloid Phaedrysmocheilus velivolus n. sp.³ Sobolev 1985 nautiloid
Bivalvia
Nuculanida - Malletiidae	"Malletia pseudopraecursor" = Palaeoneilo elliptica "Malletia pseudopraecursor" = Palaeoneilo elliptica Goldfuss 1837 clam
Ostreida - Bakevelliidae	Bakevellia (Maizuria) varians Bakevellia (Maizuria) varians Kurushin 1980 oyster

¹Dagis et al. 1996; ²Dagis and Ermakova 1988; ³Sobolev 1985