Kheta River-4 (Cretaceous of Russian Federation)

Where: Russian Federation (75.0° N, 105.0° E: paleocoordinates 75.9° N, 80.0° E)

• small collection-level geographic resolution

When: Chetaites sibiricus zone, Berriasian (145.0 - 139.8 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collection methods: fauna was collected from calcareous sandstone concretions of layers 1 and 2 (fine-grained sandstones) along the Kheta River towpath

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 2457: authorized by Mark Patzkowsky, entered by Karen Layou on 05.07.1999, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Mytilida - Crenellidae
Musculus sp. Roding 1798 mussel
 Myalinida - Inoceramidae
Inoceramus sp. Sowerby 1814 clam
 Ostreida - Pinnidae
aff. Pinna suprajurensis oyster
originally entered as "Pinna aff. suprajurensis"
 Pectinida - Buchiidae
cf. Buchia fischeriana d'Orbigny 1845 scallop
originally entered as "Buchia cf. fischeriana"
Buchia volgensis Lahusen 1888 scallop
 Pectinida - Oxytomidae
Oxytoma sp. Meek and Hayden 1865 scallop
 Pectinida - Limidae
 Pectinida - Pectinoidae
cf. Camptonectes imperialis scallop
originally entered as "Camptonectes cf. imperialis"
 Pectinida - Entoliidae
 Arcida - Cucullaeidae
Cucullaea sp. Lamarck 1801 clam
 Arcida - Parallelodontidae
Parallelodon sp. Meek and Worthen 1866 clam
 Carditida - Astartidae
 Cardiida - Cardiidae
Protocardia sp. Beyrich 1845 cockle
Cephalopoda
 Belemnitida - Cylindroteuthididae
Lagonibelus sibiricus belemnite
originally entered as "Langonibelus sibiricus"
 Ammonitida - Polyptychitidae
ex gr. Subcraspedites suprasbudites ammonite
originally entered as "Subcraspedites ex gr. suprasbudites"
ex gr. Subcraspedites anglicus ammonite
originally entered as "Subcraspedites ex gr. anglicus"
"Paracraspedites stenomphaloides" = Subcraspedites (Paracraspedites) ammonite
Surites cf. tzikwinianus ammonite
originally entered as "Surites cf. tzikwinianus"
Surites aff. tzikwinianus ammonite
originally entered as "Surites aff. tzikwinianus"
 Ammonitida - Neocomitidae
? Argentiniceras sp. n. sp. ammonite
originally entered as "Argentiniceras? n. sp."
 Ammonitida - Perisphinctidae
Chetaites sibiricus Shul'gina 1962 ammonite
cf. Chetaites sibiricus Shul'gina 1962 ammonite
originally entered as "Chetaites cf. sibiricus"