Cape Urdyuk-Khaya-7 (Cretaceous of Russian Federation)

Where: Siberia, Russian Federation (73.0° N, 113.0° E: paleocoordinates 75.5° N, 91.9° E)

• outcrop-level geographic resolution

When: Hectoroceras kochi zone, XII Member, Berriasian (145.0 - 139.8 Ma)

• exposure 33, layers 29 and 30; exposure 31, layers 4 and 5

• member-level stratigraphic resolution

Environment/lithology: marine; gray claystone

• concretion of clayey limestone are found throughout the member

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 2481: 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
Foraminifera
  -
? Orietalia baccula
? Orietalia baccula
originally entered as "Orientalia? baccula"
 Ammodiscoidea - Ammodiscidae
Ammodiscus veteranus, Glomospirella intrita
 Trochamminacea - Trochamminidae
Trochammina parviloculata
 Lituolida - Haplophragmoididae
Haplophragmoides emeljanzevi, Haplophragmoides schleiferi
 Lituolida - Lituolidae
Gaudryina gerkei
Nodosariata
 Vaginulinida - Vaginulinidae
? Saracenaria vermis, Lenticulina sp.
? Saracenaria vermis
originally entered as "Saracenaria? vermis"
Lenticulina sp. Lamarck 1804
originally entered as "Lenticulina spp."
Rhynchonellata
 Terebratulida - Terebratulidae
Terebratulidae indet.
Cephalopoda
 Ammonitida - Polyptychitidae
cf. Hectoroceras kochi, cf. Praetollia maynci, cf. Subcraspedites anglicus, Subcraspedites sp.
cf. Hectoroceras kochi Spath 1947 ammonite
originally entered as "Hectoroceras cf. kochi"
cf. Praetollia maynci ammonite
originally entered as "Praetollia cf. maynci"
cf. Subcraspedites anglicus ammonite
originally entered as "Subcraspedites cf. anglicus"
Subcraspedites sp. Spath 1924 ammonite
 Goniatitida - Dimeroceratidae
? Sunites sp.
? Sunites sp. Chang 1960 ammonite
originally entered as "Surites? sp."
 Belemnitida - Belemnitidae
Belemnites indet.
Belemnites indet. Lamarck 1799 belemnite
Bivalvia
 Nuculida - Nuculidae
Nucula sp.
Nucula sp. Lamarck 1799 nut clam
 Pectinida - Limidae
Lima sp.
Lima sp. Bruguière 1797 file clam
 Pectinida - Buchiidae
Buchia okensis, ex gr. Buchia volgensis
Buchia okensis Pavlow 1907 scallop
ex gr. Buchia volgensis Lahusen 1888 scallop
originally entered as "Buchia ex gr. volgensis"
 Pectinida - Oxytomidae
Oxytoma sp.
Oxytoma sp. Meek and Hayden 1865 scallop
 Pectinida - Pectinoidae
ex gr. Camptonectes ex gr. lens
ex gr. Camptonectes ex gr. lens Sowerby 1818 scallop
originally entered as "Camptonectes ex gr. ex gr. lens"
 Arcida - Parallelodontidae
Parallelodon sp.
Parallelodon sp. Meek and Worthen 1866 clam