T70, Gebze area: Bithynian, Turkey
collected by R. Assereto 1969, 1971

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ceratitida - Acrochordiceratidae
Acrochordiceras sp. Hyatt 1877
    = Acrochordiceras hyatti Meek 1877
Monnet et al. 2010
Cephalopoda - Ceratitida - Ceratitidae
Nicomedites toulai (Arthaber 1915)
6 specimens
Anagymnotoceras ismidicum (Arthaber 1915)
11 specimens
Cephalopoda - Ceratitida - Gymnitidae
Gymnites toulai Arthaber 1915
2 specimens
Cephalopoda - Ceratitida - Ptychitidae
Ptychites sp. Mojsisovics 1875
see common names

Geography
Country:Turkey
Coordinates: 40.8° North, 29.5° East (view map)
Paleocoordinates:17.5° North, 34.9° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Triassic Epoch: Middle Triassic
Stage: Anisian 10 m.y. bin: Triassic 2
Key time interval: Bithynian Ammonoid zone:  ismidicus
Age range of interval: 245.5 - 244.7 m.y. ago
Stratigraphy
Stratigraphic resolution:bed
Stratigraphy comments: Level 7 of Assereto; Middle Member of Nodular Limestone formation
Lithology and environment
Primary lithology:nodular lithified "limestone"
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (float)
Reason for describing collection:taxonomic analysis
Collectors:R. Assereto Collection dates:1969, 1971
Collection method comments: Repository: MPUM (Museo di Paleontologia del Dipartimento di Scienze della Terra dell'Universtia degli Studi de Milano, Italy)
Metadata
Database number:143897
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2013-04-27 06:54:16 Last modified:2013-11-25 13:02:06
Access level:the public Released:2013-04-27 06:54:16
Creative Commons license:CC BY
Reference information

Primary reference:

46548. N. Fantini Sestini. 1988. Anisian ammonites from Gebze area (Kokaeli Peninsula, Turkey). Rivista Italiana di Paleontologia e Stratigrafia 94:35-80 [M. Clapham/M. Clapham]

Secondary references:

34222 C. Monnet, H. Bucher, M. Wasmer and J. Guex. 2010. Revision of the genus Acrochordiceras Hyatt, 1877 (Ammonoidea, Middle Triassic): morphology, biometry, biostratigraphy, and intra-specific variability. Palaeontology 53(5):961-996 [M. Clapham/M. Clapham]