PBDB Collection

Kheta River-6 (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: Hectoroceras kochi zone, Berriasian (145.0 - 139.8 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collection methods: These fauna were found on the towpath behind the first heap of large boulders in concretions of calcareous sandstone of varying composition. Listed under Layer 3 description, so the concretions are presumely from this layer.

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 2459: authorized by Mark Patzkowsky, entered by Karen Layou on 05.07.1999, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

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Bivalvia
Carditida - Astartidae	Astarte veneris Astarte veneris clam
Cardiida - Arcticidae	Arctica sp. Arctica sp. Schumacher 1817 clam
Cardiida - Tancrediidae	Tancredia sp. Tancredia sp. Lycett 1850 clam
Cardiida - Cardiidae	Protocardia sp. Protocardia sp. Beyrich 1845 cockle
Pholadomyida - Pholadomyidae	Goniomya sp. Goniomya sp. Agassiz 1842 clam
Hiatellida - Hiatellidae	? Panopea sp. ? Panopea sp. Menard 1807 clam originally entered as "Panopea? sp."
Trigoniida - Trigoniidae	Trigonia sp. Trigonia sp. Bruguière 1789 clam
Mytilida - Crenellidae	Musculus sibiricus Musculus sibiricus mussel
Ostreida - Malleidae	Isognomon sp. Isognomon sp. Lightfoot 1786 oyster
Ostreida - Pinnidae	cf. Pinna romanikhae cf. Pinna romanikhae oyster originally entered as "Pinna cf. romanikhae"
Pectinida - Entoliidae	Entolium nummulare Entolium nummulare scallop
Pectinida - Oxytomidae	cf. Arctotis anabarensis cf. Arctotis anabarensis scallop originally entered as "Arctotis cf. anabarensis"
Pectinida - Buchiidae	cf. Buchia okensis, Buchia volgensis cf. Buchia okensis Pavlow 1907 scallop originally entered as "Buchia cf. okensis" Buchia volgensis Lahusen 1888 scallop
Pectinida - Pectinoidae	cf. Camptonectes imperialis cf. Camptonectes imperialis scallop originally entered as "Camptonectes cf. imperialis"
Arcida - Cucullaeidae	cf. Cucullaea arctica cf. Cucullaea arctica clam originally entered as "Cucullaea cf. arctica"
Cephalopoda
Ammonitida - Polyptychitidae	aff. Praetollia maynci, Hectoroceras kochi, cf. Subcraspedites primitivus, Surites cf. subanalogus, Surites cf. tzikwinianus, Surites ex gr. spasskensis, Surites sp. aff. Praetollia maynci ammonite originally entered as "Praetollia aff. maynci" Hectoroceras kochi Spath 1947 ammonite cf. Subcraspedites primitivus ammonite originally entered as "Subcraspedites cf. primitivus" Surites cf. subanalogus ammonite originally entered as "Surites cf. subanalogus" Surites cf. tzikwinianus ammonite originally entered as "Surites cf. tzikwinianus" Surites ex gr. spasskensis ammonite originally entered as "Surites ex gr. spasskensis" Surites sp. Sazonov 1951 ammonite originally entered as "Surites sp."
Ammonitida - Perisphinctidae	Chetaites chetae, Chetaites sp. Chetaites chetae ammonite Chetaites sp. Shul'gina 1962 ammonite
Belemnitida - Belemnitidae	Cylindroteuthis sp., cf. Acroteuthis polaris Cylindroteuthis sp. belemnite cf. Acroteuthis polaris belemnite Acroteuthis cf. explanatoides polaris - originally entered as "Acroteuthis cf. polaris"