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
 Carditida - Astartidae
 Cardiida - Cardiidae
Protocardia sp. Beyrich 1845 cockle
 Arcida - Parallelodontidae
Parallelodon sp. Meek and Worthen 1866 clam
 Arcida - Cucullaeidae
Cucullaea sp. Lamarck 1801 clam
 Pectinida - Limidae
 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 - Entoliidae
 Pectinida - Pectinoidae
cf. Camptonectes imperialis scallop
originally entered as "Camptonectes cf. imperialis"
 Ostreida - Pinnidae
aff. Pinna suprajurensis oyster
originally entered as "Pinna aff. suprajurensis"
 Myalinida - Inoceramidae
Inoceramus sp. Sowerby 1814 clam
 Mytilida - Crenellidae
Musculus sp. Roding 1798 mussel
Cephalopoda
 Belemnitida - Cylindroteuthididae
Lagonibelus sibiricus belemnite
originally entered as "Langonibelus sibiricus"
 Ammonitida - Perisphinctidae
Chetaites sibiricus Shul'gina 1962 ammonite
cf. Chetaites sibiricus Shul'gina 1962 ammonite
originally entered as "Chetaites cf. sibiricus"
 Ammonitida - Neocomitidae
? Argentiniceras sp. n. sp. ammonite
originally entered as "Argentiniceras? n. sp."
 Ammonitida - Polyptychitidae
Surites cf. tzikwinianus ammonite
originally entered as "Surites cf. tzikwinianus"
Surites aff. tzikwinianus ammonite
originally entered as "Surites aff. tzikwinianus"
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
Praetollia sp. ammonite