Kyafar River basin, sample 16-2-4-3: Late/Upper Bajocian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Nodosariata - Polymorphinida - Polymorphinidae
Eoguttulina spp.
Abundance: 1
Nodosariata - Nodosariida - Nodosariidae
Astacolus caucasicus
Abundance: 1
Astacolus spp.
Abundance: 4
Astacolus beslineevensis
Abundance: 2
Nodosaria pulchra
Abundance: 1
Dentalina spp.
Abundance: 10
Ichtyolaria spatulata
Abundance: 1
Citharina spp.
Abundance: 1
Planularia spp.
Abundance: 1
Nodosariata - Robertinida - Ceratobuliminidae
Reinholdella costifera
Abundance: 12
Nodosariata - Vaginulinida - Vaginulinidae
Lenticulina perlucida
Abundance: 2
Lenticulina ex gr. quenstedti
Abundance: 2
Lenticulina spp.
Abundance: 5
Lenticulina bagovskaensis
Abundance: 2
unclassified
Kaptarenkoella epistominoides
Abundance: 25
Sublamarckella terquemi
Abundance: 2
Ceratobuliminacea indet. Cushman 1927
Abundance: 20
Garantella caucasica
Abundance: 11
Lituolida - Haplophragmoididae
Haplophragmoididae indet. Maync 1952
Abundance: 10
Haplophragmoides planus
Abundance: 4
Haplophragmoides spp.
Abundance: 9
Rhizamminidae
Rhizammina indiviza
Abundance: 2
Hormosinidae
Reophax spp.
Abundance: 3
Astrorhizidae
Hyppocrepina guttiforme
original and current combination Hippocrepina
Abundance: 3
Hippocrepinidae
Hippocrepinidae indet. Rhumbler 1895
Abundance: 4
Ammodiscidae
Ammodiscus spp.
Abundance: 1
Ammolagena longa
Abundance: 1
unclassified
Micrhystridium sp. Deflandre 1937
Ostracoda - Podocopida - Cytheruridae
Cytheropteron sp. Sars 1866
Abundance: 1
Eucytherura sp.
Abundance: 1
Procytheropteron informal sp. 1
Abundance: 1
Reptilia
Durotrigia daveyi
Bailey 1987
unclassified
Crussolia sp. Wolfard and Van Erve 1981
Korystocysta sp. Woollam 1983
Dinophyceae - Pareodiniaceae
Pareodinia prolongata
Pareodinia ceratophora Deflandre 1947
Dinophyceae - Gonyaulacales - Gonyaulacaceae
Dissiliodinium sp. Drugg 1978
Meiourogonyaulax caytonensis
Meiourogonyaulax valensii
Meiourogonyaulax sp. Sarjeant 1966
Chytroeisphaeridia chytroeides Sarjeant 1979
? Rhynchodiniopsis regalis
Leptodinium sp. Klement 1960
Sentusidinium sp. Sarjeant and Stover 1978
Dinophyceae - Gonyaulacales
Valensiella ovulum Eisenack 1963
Batiacasphaera sp. Drugg 1970
Dinophyceae - Nannoceratopsiaceae
Nannoceratopsis spiculata Stover 1966
see common names

Geography
Country:Russian Federation State/province:Karachay-Cherkessia County:Bolshoi Zelenchuk River
Coordinates: 43.9° North, 41.5° East (view map)
Paleocoordinates:38.4° North, 47.5° East
Basis of coordinate:estimated from map
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Bajocian 10 m.y. bin:Jurassic 4
Key time interval:Late/Upper Bajocian Ammonoid zone: Parkinsonia parkinsoni
Age range of interval:168.60000 - 168.20000 m.y. ago
Stratigraphy
Formation:Djangura Member:Upper
Stratigraphy comments: Rarecostites sherstyukovi Faunal Horizon
Lithology and environment
Primary lithology:gray lithified mudstone
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils,microfossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:198644
Authorizer:A. Kocsis Enterer:N. Stilkerich
Modifier:A. Kocsis
Created:2019-01-04 07:51:39 Last modified:2019-01-11 11:08:08
Access level:authorizer only Released:2021-01-04 07:51:39
Creative Commons license:CC BY
Reference information

Primary reference:

67667. 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]