PBDB Collection

Paksa Peninsula, Chetaites sibiricus zone, Yakutia, Siberia (Cretaceous of Russian Federation)

Where: Russian Federation (73.9° N, 112.9° E: paleocoordinates 76.2° N, 89.7° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Berriasian (145.0 - 139.8 Ma)

• Chetaites sibiricus zone

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; lithified siltstone

• relatively deep water environments in the central part of the Khatanga Basin

• clayey siltstone with concretions, 4 m thick

Size classes: macrofossils, microfossils

Primary reference: N. I. Shulgina, M. D. Burdykina, V. A. Basov and N. Arhus. 1994. Distribution of ammonites, foraminifera and dinoflagellate cysts in the Lower Cretaceous reference sections of the Khatanga Basin, and Boreal Valanginian biogeography. Cretaceous Research 15(1):1-16 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 65699: authorized by Wolfgang Kiessling, entered by Uta Merkel on 25.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Pterospermella australiensis
-	Pterospermella australiensis Pterospermella australiensis Deflandre and Cookson 1955
Nodosariata
Vaginulinida - Vaginulinidae	Lenticulina xeniae, Lenticulina sosipatrovae, Lenticulina modica, "Lenticulina ex gr. muensteri" = Lenticulina munsteri Lenticulina xeniae Lenticulina sosipatrovae Lenticulina modica "Lenticulina ex gr. muensteri" = Lenticulina munsteri Roemer 1839
Foraminifera
Lituolida - Haplophragmoididae	Evolutinella volossatovi, Evolutinella emeljanzevi, Haplophragmoides fimbrians Evolutinella volossatovi Evolutinella emeljanzevi Haplophragmoides fimbrians
-	"Marginulina subformosa" = Cristellaria (Marginulina), Orietalia ex gr. baccula "Marginulina subformosa" = Cristellaria (Marginulina) Orietalia ex gr. baccula listed as Orientalia
Astrorhizacea - Psammosphaeridae	Psammosphaera sp. Psammosphaera sp.
Lituolacea - Ammosphaeroidinidae	Recurvoides obskiensis Recurvoides obskiensis
Trochamminacea - Trochamminidae	Trochammina rosaceaformis, Trochammina kondaensis, Trochammina septentrionalis Trochammina rosaceaformis Trochammina kondaensis Trochammina septentrionalis
Dinophyceae
-	Prolixosphaeridium spissum Prolixosphaeridium spissum
- Pareodiniaceae	Pareodinia borealis Pareodinia borealis
Gonyaulacales - Gonyaulacaceae	Tubotuberella apatela, Sentusidinium sp., Sirmiodinium grossii, Escharisphaeridia rudis, Occisucysta cf. balios, Cribroperidinium globatum, Scriniodinium cf. glabrum Tubotuberella apatela Ioannides et al. 1977 listed as Tubotubella Sentusidinium sp. Sarjeant and Stover 1978 Sirmiodinium grossii Alberti 1961 Escharisphaeridia rudis Occisucysta cf. balios Cribroperidinium globatum Scriniodinium cf. glabrum
Gonyaulacales -	Dingodinium tuberosum, Chlamydophorella sp., Cleistosphaeridium sp. Dingodinium tuberosum Chlamydophorella sp. Cookson and Eisenack 1958 Cleistosphaeridium sp. Davey 1966 sp. B
Gonyaulacales - Areoligeraceae	aff. Circulodinium sp. aff. Circulodinium sp. Alberti 1961
Gonyaulacales -	Valensiella ex gr. ovula Valensiella ex gr. ovula
-	Wallodinium krutzschii Wallodinium krutzschii Habib 1972
Cephalopoda
Ammonitida - Polyptychitidae	Borealites sp., Praetollia maynci Borealites sp. Klimova 1969 ammonite Praetollia maynci ammonite
Ammonitida - Perisphinctidae	Chetaites cf. sibiricus Chetaites cf. sibiricus Shul'gina 1962 ammonite