Boyarka River-10 (Cretaceous of Russian Federation)

Where: Siberia, Russian Federation (70.8° N, 97.6° E: paleocoordinates 70.8° N, 81.3° E)

• small collection-level geographic resolution

When: Neotollia klimovskiensis zone, VII Member, Valanginian (139.8 - 132.9 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; gray, green, silty sandstone

• lithology described as medium-fine-grained sand with leptochlorites and small inclusions filled with black clayey-silty rock

Size class: macrofossils

Primary reference: V. N. Saks, ed. 1975. The Jurassic-Cretaceous Boundary and the Berriasian Stage in the Boreal Realm. 1-319 [M. Patzkowsky/K. Layou/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2474: authorized by Mark Patzkowsky, entered by Karen Layou on 06.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Arctichnus arcticus
Rhynchonellata
 Terebratulida - Terebratulidae
Terebratulidae indet.
Bivalvia
 Cardiida - Arcticidae
Arctica sp.
Arctica sp. Schumacher 1817 clam
 Carditida - Astartidae
Astarte sp.
Astarte sp. Sowerby 1816 clam
 Ostreida - Gryphaeidae
"Liostrea anabarensis" = Deltoideum (Boreiodeltoideum) anabarensis
"Liostrea anabarensis" = Deltoideum (Boreiodeltoideum) anabarensis Bodylevsky 1949 oyster
 Pectinida - Buchiidae
ex gr. Buchia keyserlingi
ex gr. Buchia keyserlingi Lahusen 1888 scallop
originally entered as "Buchia ex gr. keyserlingi"
 Pectinida - Entoliidae
Entolium nummulare
 Pectinida - Pectinoidae
Camptonectes asiaticus
Camptonectes asiaticus scallop
Camptonectes imperialis asiaticus
Cephalopoda
 Belemnitida - Belemnitidae
Acroteuthis bojarkae
 Ichnofossils -
Rhizocorallium sp.
Rhizocorallium sp. Zenker 1836