Dzhugadzhak River, Kolyma River basin (upper Ladinian) (Triassic of Russian Federation)

Where: Russian Federation (64.5° N, 157.3° E: paleocoordinates 72.7° N, 35.2° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Ladinian (242.0 - 237.0 Ma)

• Upper Ladinian.

• member-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Institute for Geology and Geophysics, Novosibirsk (IGiG)

Primary reference: E. S. Sobolev. 1989. Triasovye nautilidy severo-vostochnoy Azii. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 727:1-193 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 44863: authorized by David Bottjer, entered by Matthew Clapham on 17.09.2004, edited by Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ceratitida - Nathorstitidae
Nathorstites maclearni1, Nathorstites macconnelli1, Nathorstites lindstroemi1
Nathorstites maclearni1 Tozer 1994 ceratite
Nathorstites macconnelli1 Whiteaves 1889 ceratite
Nathorstites lindstroemi1 Boehm 1903 ceratite
 Nautilida - Liroceratidae
Paranautilus sp.
Paranautilus sp. Mojsisovics 1902 nautiloid
Bivalvia
 Ostreida - Posidoniidae
Magnolobia cara n. gen. n. sp.2, Magnolobia bytschkovi n. gen.2, Magnolobia distincta n. gen. n. sp.2, Magnolobia prima n. gen.2
Magnolobia cara n. gen. n. sp.2 oyster
Magnolobia bytschkovi n. gen.2 oyster
Magnolobia distincta n. gen. n. sp.2 oyster
Magnolobia prima n. gen.2 Kiparisova and Popov 1946 oyster
1Dagys and Konstantinov 1997; 2Kurushin and Truschelev 2001