Kolyma River basin, Anisian (Triassic of Russian Federation)

Where: Russian Federation (67.5° N, 154.0° E: paleocoordinates 71.8° N, 18.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Anisian (247.2 - 242.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Primary reference: A. S. Dagis, A. A. Dagis, and S. P. Ermakova. 1996. Triasovaya Fauna Severo-Vostoka Azii 1-232 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107040: authorized by Matthew Clapham, entered by Matthew Clapham on 31.03.2011, edited by Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ceratitida - Longobarditidae
"Czekanowskites hayesi" = Tetsaoceras hayesi, Czekanowskites decipiens, Longobardites arkagalensis, "Longobardites taimyrensis" = Intornites nevadanus
"Czekanowskites hayesi" = Tetsaoceras hayesi McLearn 1948 ceratite
Czekanowskites decipiens Mojsisovics 1886 ceratite
Longobardites arkagalensis Bychkov et al. 1976 ceratite
"Longobardites taimyrensis" = Intornites nevadanus Hyatt and Smith 1905 ceratite
 Ceratitida - Danubitidae
Danubites borealis
Danubites borealis Kiparisova 1937 ceratite
 Ceratitida - Arctohungaritidae
Arctohungarites involutus, Arctohungarites burgaliensis, Arctohungarites triformis
Arctohungarites involutus Kiparisova 1937 ceratite
Arctohungarites burgaliensis Bychkov et al. 1976 ceratite
Arctohungarites triformis Mojsisovics 1886 ceratite
 Ceratitida - Owenitidae
Parasphingites janaensis
Parasphingites janaensis Popov 1961 ceratite
 Ceratitida - Parapopanoceratidae
Amphipopanoceras dzeginense, Stenopopanoceras mirabile, Parapopanoceras paniculatum
Amphipopanoceras dzeginense Voinova 1947 ceratite
Stenopopanoceras mirabile Popov 1961 ceratite
Parapopanoceras paniculatum Popov 1961 ceratite
 Ceratitida - Ceratitidae
Frechites nevadanus, "Gymnotoceras spurri" = Frechites occidentalis, Gymnotoceras sublaqueatum, Hollandites orientalis
Frechites nevadanus Mojsisovics 1888 ceratite
"Gymnotoceras spurri" = Frechites occidentalis Smith 1914 ceratite
Gymnotoceras sublaqueatum Bychkov et al. 1976 ceratite
Hollandites orientalis Bytschkov and Kiparisova 1968 ceratite
 Phylloceratida - Ussuritidae
Ussurites arthaberi, Ussurites yabei
Ussurites arthaberi Welter 1915 ammonite
Ussurites yabei Diener 1915 ammonite
Bivalvia
 Pectinida - Limidae
Plagiostoma sp.
Plagiostoma sp. Sowerby 1814 file clam
 Pectinida - Entoliidae
Entolium discites
Entolium discites Schlotheim 1820 scallop
 Ostreida - Bakevelliidae
Hoernesia torta
Hoernesia torta Popov 1964 oyster
 Ostreida - Halobiidae
Daonella dubia
Daonella dubia Gabb 1864 oyster
 Cardiida - Kalenteridae
Triaphorus zyrjankaensis n. sp.
Triaphorus zyrjankaensis n. sp. Bychkov et al. 1976 clam
 Pholadida - Ceratomyidae
Gresslya bisulcata n. sp.
Gresslya bisulcata n. sp. Popov 1964 clam
 Trigoniida - Myophoriidae
"Myophorigonia kolymensis" = Neoschizodus kolymensis
"Myophorigonia kolymensis" = Neoschizodus kolymensis Bychkov et al. 1976 clam