Where: Karachay-Cherkessia, Russian Federation (43.9° N, 41.5° E: paleocoordinates 38.4° N, 47.5° E)
• coordinate estimated from map
When: Parkinsonia parkinsoni ammonoid zone, Upper Member (Djangura Formation), Late/Upper Bajocian (171.6 - 167.7 Ma)
• Rarecostites subarietis Faunal Horizon
Environment/lithology: marine; lithified, gray mudstone
Size classes: mesofossils, microfossils
Primary reference: V. V. Mitta, Y.u. N. Savelieva, A. A. Fedorova and O. V. Shurekova. 2018. Ammonites, Microfauna, and Palynomorphs from the Lower Part of the Upper Bajocian Parkinsoni Zone of the Basin of the Bolshoi Zelenchuk River, Northern Caucasus. Stratigraphy and Geological Correlation 26(5):552-570 [A. Kocsis/N. Stilkerich]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 198673: authorized by Adam Kocsis, entered by Nina Stilkerich on 05.01.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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Ostracoda | |
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Eucytherura sp., Eucytherura "sp. 6", Eucytherura aff. argentina, Cytheropteron sp., Eocytheropteron sp., Eocytheropteron "sp. 1"
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Tubothalamea | |
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Foraminifera | |
Ophthalmidium kaptarenkoae, Ophthalmidium caucasicum, Conoglobigerina dagestanica, Conoglobigerina avarica, Kaptarenkoella epistominoides
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Nodosariata | |
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Dentalina spp., Astacolus caucasicus, Astacolus spp., Astacolus beslineevensis, Astacolus vassilenkoae, Citharina spp.
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Foraminifera | |
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Micrhystridium sp. Deflandre 1937 acritarchs | |
Dinophyceae | |
Nannoceratopsis spiculata Stover 1966 | |
Sentusidinium sp., Meiourogonyaulax caytonensis, Meiourogonyaulax valensii, Dissiliodinium sp., Endoscrinium aff. luridum, Ctenidodinium sellwoodii
Sentusidinium sp. Sarjeant and Stover 1978
Dissiliodinium sp. Drugg 1978
Endoscrinium aff. luridum Gocht 1970 | |
Valensiella ovulum Eisenack 1963 | |