Northern Chaloi depression, Bolshoi Balkhan: Garantiana, Turkmenistan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Stephanoceratidae
Praeparkinsonia tschaloica n. sp. Besnosov 1993
1 specimen
Praeparkinsonia cf. subbaculata Schmidtill and Krumbeck 1931
1 specimen
see common names

Geography
Country:Turkmenistan
Coordinates: 39.8° North, 54.4° East (view map)
Paleocoordinates:36.7° North, 60.5° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Jurassic Epoch: Middle Jurassic
Stage: Bajocian 10 m.y. bin: Jurassic 4
Key time interval: Garantiana
Age range of interval: 170.9 - 168.2 m.y. ago
Stratigraphy
Formation:Chaloi
Stratigraphic resolution:group of beds
Stratigraphy comments: Upper Chaloi Fm
Lithology and environment
Primary lithology: lithified not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Vserossiyskiy Nauchno-Issledovatel'skiy Geologicheskiy Neftyanoy Institut (VNIGRI)
Metadata
Database number:187903
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2017-08-15 23:11:34 Last modified:2017-08-15 23:11:34
Access level:the public Released:2017-08-15 23:11:34
Creative Commons license:CC BY
Reference information

Primary reference:

62781. N. V. Besnosov and V. V. Mitta. 1993. Pozdnebayosskie i Batskie Ammonitidy Severnogo Kavkaza i Sredney Azii 1-347 [M. Clapham/M. Clapham]