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 198680: authorized by Adam Kocsis, entered by Nina Stilkerich on 06.01.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
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Korystocysta sp. Woollam 1983 | |
| Dinophyceae | |
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Pareodinia ceratophora Deflandre 1947 | |
Nannoceratopsis gracilis, Nannoceratopsis sp., Nannoceratopsis dictyambonis, Nannoceratopsis spiculata
Nannoceratopsis sp. Deflandre 1939
Nannoceratopsis spiculata Stover 1966 | |
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Sentusidinium sp. Sarjeant and Stover 1978
Dissiliodinium sp. Drugg 1978 | |
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Micrhystridium sp. Deflandre 1937 acritarchs | |
| Foraminifera | |
Conoglobigerina avarica, Ophthalmidium kaptarenkoae, Ophthalmidium infraoolithicum, Ophthalmidium spp., Ophthalmidium caucasicum, Kaptarenkoella epistominoides, Sublamarckella terquemi, Sublamarckella cf. terquemi
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| Nodosariata | |
Nodosariidae indet., Vaginulina spp., Citharina spp., Dentalina spp., Astacolus caucasicus, Astacolus spp., Planularia spp., Planularia semiinvoluta, Lagena spp.
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| Foraminifera | |
"Marginulina spp." = Cristellaria (Marginulina)
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| Globothalamea | |
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| Reptilia | |
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| Ostracoda | |
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