Boyarka River-4: Berriasian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Marginulina glabroides
spelled with current rank as Cristellaria (Marginulina)
Marginulina zaspelovae
spelled with current rank as Cristellaria (Marginulina)
Marginulina secta
spelled with current rank as Cristellaria (Marginulina)
Nodosariata - Vaginulinida - Vaginulinidae
Lenticulina pseudoarctica
Bivalvia - Nuculida - Nuculidae
Nucula sp. Lamarck 1799
Bivalvia - Pholadida - Pleuromyidae
Pleuromya uralensis
original and current combination Myacites (Pleuromya)
Bivalvia - Pectinida - Pectinidae
Pectinidae indet. Wilkes 1810
cf. Camptonectes lens (Sowerby 1818)
originally entered as "Camptonectes cf. lens"
Bivalvia - Pectinida - Buchiidae
Buchia subokensis
Buchia spasskensis
Buchia fischeriana (d'Orbigny 1845)
Buchia okensis (Pavlow 1907)
Buchia trigonoides (Lahusen Smith 1894)
Buchia volgensis (Lahusen 1888)
Cephalopoda - Belemnitida
Pachyteuthis subrectangulata
Cephalopoda - Belemnitida - Belemnitidae
Cylindroteuthis baculus
Cylindroteuthis repentina
Cephalopoda - Belemnitida
Lagonibelus superelongatus
cf. Lagonibelus sibiricus
originally entered as "Lagonibelus cf. sibiricus"
Lagonibelus gustomesovi
Cephalopoda - Ammonitida - Polyptychitidae
Subcraspedites anglicus
ex gr. Subcraspedites pressulus
originally entered as "Subcraspedites ex gr. pressulus"
aff. Subcraspedites primitivus
originally entered as "Subcraspedites aff. primitivus"
Sunites subanalogus
originally entered as "Surites subanalogus"
    = Surites subanalogus
Wright et al. 1996
There was no problem with original entry. Sunites is a Goniatite.
Sunites clementianus
originally entered as "Surites clementianus"
    = Surites clementianus
Wright et al. 1996
There was no problem with original entry. Sunites is a Goniatite.
cf. Sunites clementianus
originally entered as "Surites cf. clementianus"
    = Surites cf. clementianus
Wright et al. 1996
There was no problem with original entry. Sunites is a Goniatite.
Sunites analogus
originally entered as "Surites analogus"
    = Surites analogus Bogoslowsky 1897
Wright et al. 1996
There was no problem with original entry. Sunites is a Goniatite.
see common names

Geography
Country:Russian Federation State/province:Siberia
Coordinates: 70.8° North, 97.6° East (view map)
Paleocoordinates:71.2° North, 81.5° East
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Berriasian 10 m.y. bin:Cretaceous 1
*Epoch:Neocomian
Key time interval:Berriasian Zone: Surites analogus
Age range of interval:145.00000 - 139.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Member:III
Stratigraphic resolution:member
Lithology and environment
Primary lithology:gray,green argillaceous siltstone
Environment:marine indet.
Geology comments: lithology described as clayey, greenish-grey silt with intercalations of elongate concretions of calcareous sandy siltstone
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:2469
Authorizer:M. Patzkowsky, A. Hendy Enterer:K. Layou, A. Hendy
Modifier:M. Clapham Research group:marine invertebrate
Created:1999-07-05 12:55:18 Last modified:2020-04-11 11:49:49
Access level:the public Released:1999-07-05 12:55:18
Creative Commons license:CC BY
Reference information

Primary reference:
73. 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]

Secondary references:

28273 C. W. Wright, J. H. Calloman, and M. K. Howarth. 1996. Cretaceous Ammonoidea. Treatise on Invertebrate Paleontology L(4):1-362 [A. Hendy/A. Hendy]