Where: Russian Federation (54.6° N, 48.1° E: paleocoordinates 48.9° N, 49.7° E)
• coordinate stated in text
• hand sample-level geographic resolution
When: Early/Lower Berriasian (145.0 - 140.2 Ma)
• Upper Volgian, Craspedites subditus Ammonite Zone
• bed-level stratigraphic resolution
Environment/lithology: deep subtidal; lithified, argillaceous limestone
Size class: microfossils
Collection methods: bulk, chemical,
Primary reference: V. S. Vishnevskaya and B. L. Murchey. 2002. Climatic affinity and possible correlation of some Jurassic to Lower Cretaceous radiolarian assemblages from Russia and North America. Micropaleontology 48(S1):89-111 [W. Kiessling/W. Kiessling/W. Kiessling]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 51288: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 02.06.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
| Protozoa | |
|
Lithocampe cf. terniseriata radiolarian | |
|
? Stichocapsa devorata radiolarian
Stichocapsa sp. Haeckel 1881 radiolarian | |
Parvicingula multipora, ? Parvicingula spinosa, Parvicingula aff. thomesensis, Praeparvicingula aff. alata
? Parvicingula spinosa radiolarian
Parvicingula aff. thomesensis Pessagno 1977 radiolarian | |
|
Phormocampe favosa radiolarian | |
|
Praeconosphaera sp. Yang 1993 radiolarian
Praeconosphaera ex gr. sphaeroconus Rüst 1898 radiolarian | |
|
Orbiculiforma ex gr. mclaughlini Pessagno 1977 radiolarian | |