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

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