PBDB Collection

Cape Urdyuk-Khaya-9 (Cretaceous of Russian Federation)

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

• small collection-level geographic resolution

When: Bojarkia mesezhnikowi zone, XIV Member, Berriasian (145.0 - 139.8 Ma)

• exposure 33, layer 37-38

• member-level stratigraphic resolution

Environment/lithology: marine; gray, silty claystone

• lithology includes two thin concretional intercalationsof clayey sideritized limestone with nests of calcareous cryptocrystalline phosphorite

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 2483: authorized by Mark Patzkowsky, entered by Karen Layou on 06.07.1999, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

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Cephalopoda
Ammonitida - Polyptychitidae	Surites sp., "Bojarkia sp." = Surites (Bojarkia) Surites sp. Sazonov 1951 ammonite originally entered as "Surites sp." "Bojarkia sp." = Surites (Bojarkia) Shulgina 1969 ammonite
Belemnitida - Belemnitidae	Cylindroteuthis porrectiformis Cylindroteuthis porrectiformis Anderson 1945 belemnite
Bivalvia
Pectinida - Limidae	Plagiostoma sp., Lima sp. Plagiostoma sp. Sowerby 1814 file clam Lima sp. Bruguière 1797 file clam
Pectinida - Oxytomidae	cf. Oxytoma arcticostata cf. Oxytoma arcticostata scallop originally entered as "Oxytoma cf. arcticostata"
Pectinida - Buchiidae	Buchia sp., ex gr. Buchia volgensis Buchia sp. Rouillier 1845 scallop ex gr. Buchia volgensis Lahusen 1888 scallop originally entered as "Buchia ex gr. volgensis"
Pectinida - Pectinoidae	Pectinidae indet. Pectinidae indet. Wilkes 1810 scallop
Foraminifera
Ammodiscoidea - Ammodiscidae	Glomospirella intrita Glomospirella intrita
Lituolacea - Ammosphaeroidinidae	Recurvoides obskiensis Recurvoides obskiensis
Lituolida - Haplophragmoididae	ex gr. Haplophragmoides schleiferi ex gr. Haplophragmoides schleiferi originally entered as "Haplophragmoides ex gr. schleiferi"
Lituolida - Lituolidae	Ammobaculites gerkei, Ammobaculites sp., Gaudryina gerkei Ammobaculites gerkei Ammobaculites sp. Cushman 1910 originally entered as "Ammobaculites spp." Gaudryina gerkei
Nodosariata
Vaginulinida - Vaginulinidae	Lenticulina sossipatrovae, cf. Lenticulina gudinae Lenticulina sossipatrovae cf. Lenticulina gudinae originally entered as "Lenticulina cf. gudinae"
Foraminifera
-	"Marginulina pyramidalis" = Cristellaria (Marginulina), "Marginulina impropria" = Cristellaria (Marginulina) "Marginulina pyramidalis" = Cristellaria (Marginulina) "Marginulina impropria" = Cristellaria (Marginulina)