Paksa Peninsula, Bojarkia mesezhnikowi zone, Yakutia, Siberia: Berriasian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Kursevella pseudogoodlandensis
Nodosariata - Robertinida - Ceratobuliminidae
Reinholdella tatarica
Nodosariata - Nodosariida - Nodosariidae
Astacolus aff. trigonius
Planularia pressula
Nodosariata - Vaginulinida - Vaginulinidae
Lenticulina sosipatrovae
Lenticulina modica
Lenticulina nivalis
Lenticulina gudinae
Lenticulina sp. Lamarck 1804
Lenticulina ex gr. macrodisca
Lenticulina saracenariformis
Ichthyolariidae
Geinitzinita arctocretacea
Ichthyolaria ex gr. tjumenica
Lituolida - Lituolidae
Ammobaculites gerkei
Gaudryina gerkei
Lituolida - Haplophragmoididae
Evolutinella schleiferi
Haplophragmoides mutabilis
unclassified
Marginulina ex gr. robusta
spelled with current rank as Cristellaria (Marginulina)
Marginulina pyramidalis
spelled with current rank as Cristellaria (Marginulina)
Marginulina turgida
spelled with current rank as Cristellaria (Marginulina)
Ammodiscidae
Glomospira ex gr. arctica
Trochamminidae
Trochammina parviloculata
Ammosphaeroidinidae
Recurvoides obskiensis
Recurvoides dubrovskajae
Cephalopoda - Ammonitida - Polyptychitidae
Tollia sp. Pavlow 1914
Bojarkia mesezhnikowi Shulgina 1969
recombined as Surites (Bojarkia) mesezhnikowi
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: Bojarkia mesezhnikowi zone
Lithology and environment
Primary lithology: lithified siltstone
Lithology description: clayey siltstone with concretions, 18.5 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:65731
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate,micropaleontology
Created:2006-09-25 01:42:26 Last modified:2006-09-25 04:42:26
Access level:the public Released:2006-09-25 01:42:24
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]