Also known as Ken'yelichi
Where: Russian Federation (61.9° N, 144.9° E: paleocoordinates 76.7° N, 24.6° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Yekchan Formation, Griesbachian (251.9 - 250.5 Ma)
• member-level stratigraphic resolution
Environment/lithology: marine; gray mudstone and sandstone
Size class: macrofossils
Primary reference: Y.u. M. Bychkov. 1977. [Sections of the Trias from the upper River Kolym and northern Priochotya]. [Transactions of the Institute of Geology and Geophysics, Siberian Branch of the Academy of Sciences of the USSR] 344:51-82 [A. Dunhill/B. Allen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 214748: authorized by Alex Dunhill, entered by Bethany Allen on 15.10.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Gastropoda | |
"Bellerophon cf. borealis" = Warthia borealis
"Bellerophon cf. borealis" = Warthia borealis Spath 1930 snail | |
Cephalopoda | |
Tompophiceras ex gr. extremum Spath 1935 ceratite | |
Ophiceras sp. Griesbach 1880 ceratite | |
Bivalvia | |
Atomodesma sp. Beyrich 1865 clam | |
"Myalina schamarae" = Promyalina schamarae
"Myalina schamarae" = Promyalina schamarae Bittner 1899 clam | |
Branchiopoda | |
Sphaerestheria aldanensis clam shrimp | |
Pseudestheria pliciferina, Pseudestheria vjatkanensis, Pseudestheria sibirica, Pseudestheria kashirtzevi, Pseudestheria putjatensis, Pseudestheria tumariana
Pseudestheria pliciferina clam shrimp
Pseudestheria vjatkanensis clam shrimp
Pseudestheria sibirica clam shrimp
Pseudestheria kashirtzevi clam shrimp
Pseudestheria putjatensis clam shrimp
Pseudestheria tumariana clam shrimp |