Paksa Peninsula, Chetaites sibiricus zone, Yakutia, Siberia: Berriasian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Polyptychitidae
Borealites sp. Klimova 1969
Praetollia maynci
Cephalopoda - Ammonitida - Perisphinctidae
Chetaites cf. sibiricus Shul'gina 1962
unclassified
Pterospermella australiensis Deflandre and Cookson 1955
Lituolida - Haplophragmoididae
Haplophragmoides fimbrians
Evolutinella volossatovi
Evolutinella emeljanzevi
Nodosariata - Vaginulinida - Vaginulinidae
Lenticulina xeniae
Lenticulina sosipatrovae
Lenticulina modica
Lenticulina ex gr. muensteri Bartenstein and Brand 1937
synonym of Lenticulina munsteri
unclassified
Marginulina subformosa
spelled with current rank as Cristellaria (Marginulina)
Trochamminidae
Trochammina rosaceaformis
Trochammina kondaensis
Trochammina septentrionalis
Psammosphaeridae
Psammosphaera sp.
Ammosphaeroidinidae
Recurvoides obskiensis
unclassified
Orietalia ex gr. baccula
listed as Orientalia
Dinophyceae
Wallodinium krutzschii Habib 1972
Dinophyceae - Gonyaulacales - Areoligeraceae
aff. Circulodinium sp. Alberti 1961
Dinophyceae - Gonyaulacales
Chlamydophorella sp. Cookson and Eisenack 1958
Valensiella ex gr. ovula
Cleistosphaeridium sp. Davey 1966
sp. B
Dingodinium tuberosum
Dinophyceae - Gonyaulacales - Gonyaulacaceae
Occisucysta cf. balios
Sirmiodinium grossii Alberti 1961
Cribroperidinium globatum
Sentusidinium sp. Sarjeant and Stover 1978
Escharisphaeridia rudis
Tubotuberella apatela Ioannides et al. 1977
listed as Tubotubella
Scriniodinium cf. glabrum
Dinophyceae
Prolixosphaeridium spissum
Dinophyceae - Pareodiniaceae
Pareodinia borealis
see common names

Geography
Country:Russian Federation
Coordinates: 73.9° North, 112.9° East (view map)
Paleocoordinates:76.2° North, 89.7° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Berriasian 10 m.y. bin:Cretaceous 1
Key time interval:Berriasian
Age range of interval:145.00000 - 139.80000 m.y. ago
Stratigraphy
Stratigraphic resolution:group of beds
Stratigraphy comments: Chetaites sibiricus zone
Lithology and environment
Primary lithology: lithified siltstone
Lithology description: clayey siltstone with concretions, 4 m thick
Environment:deep-water indet.
Geology comments: relatively deep water environments in the central part of the Khatanga Basin
Taphonomy
Size of fossils:macrofossils,microfossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:65699
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate,micropaleontology
Created:2006-09-25 00:06:23 Last modified:2006-09-25 03:06:23
Access level:the public Released:2006-09-25 00:06:22
Creative Commons license:CC BY
Reference information

Primary reference:

18860. 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]