Umal'tinsky rudnik - Chegdomyn Beds No. 11-12 (Jurassic of Russian Federation)

Where: Russian Federation (51.9° N, 133.6° E: paleocoordinates 55.0° N, 141.0° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Early/Lower Bajocian (171.6 - 168.4 Ma)

Environment/lithology: marine; gray siltstone and conglomerate

Size class: macrofossils

Primary reference: I. I. Sey and A. D. Kalacheva. 1980. Biostratigraphy of the Lower and Middle Jurassic deposits of the Far East. "Nedra" Publisher, Leningrad 187 [J. Pálfy/M. Bosnakoff/M. Bosnakoff]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 129675: authorized by József Pálfy, entered by Mariann Bosnakoff on 26.06.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Hildoceratidae
Tugurites fastigatus
Tugurites fastigatus Westermann 1969 ammonite
Bivalvia
 Myalinida - Inoceramidae
"Mytiloceramus provincialis" = Retroceramus provincialis, "Mytiloceramus jurensis" = Retroceramus jurensis, "Mytiloceramus obliquus" = Retroceramus obliquus, "Mytiloceramus morii" = Inoceramus morii, "Mytiloceramus subporrectus" = Inoceramus porrectus, "Mytiloceramus ex gr. elegans" = Inoceramus (Mytiloceramus), Mytiloceramus ex gr. polyplocus, Mytiloceramus tugurensis
"Mytiloceramus provincialis" = Retroceramus provincialis Koschelkina 1969 clam
"Mytiloceramus jurensis" = Retroceramus jurensis Koschelkina 1969 clam
"Mytiloceramus obliquus" = Retroceramus obliquus Morris and Lycett 1853 clam
"Mytiloceramus morii" = Inoceramus morii Hayami 1959 clam
"Mytiloceramus subporrectus" = Inoceramus porrectus Voronetz 1937 clam
"Mytiloceramus ex gr. elegans" = Inoceramus (Mytiloceramus) clam