Confluence of Bena and Imaloto Rivers, between Ranohira and Benenitra: Capitanian, Madagascar

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Modiomorphida - Modiomorphidae
Bivalvia - Ostreida - Bakevelliidae
see common names

Geography
Country:Madagascar State/province:Toliara
Coordinates: 23.2° South, 45.2° East (view map)
Paleocoordinates:48.2° South, 21.3° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Permian Epoch: Guadalupian
Stage: Capitanian 10 m.y. bin: Permian 4
Key time interval: Capitanian
Age range of interval: 264.28 - 259.51 m.y. ago
Stratigraphy
Geological group:Beaufort
Stratigraphic resolution:group of beds
Stratigraphy comments: Karoo Supergroup "Sakamena Beds"; Cistecephalus zone, upper zone of Lower Beaufort, corresponding to late Capitanian.
Lithology and environment
Primary lithology: sandy "shale"
Includes fossils?Y
Environment:lacustrine indet.
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:41495
Authorizer:D. Bottjer Enterer:M. Clapham
Modifier:M. Clapham
Created:2004-07-15 11:03:02 Last modified:2025-02-22 15:12:02
Access level:the public Released:2004-07-15 11:03:02
Creative Commons license:CC0
Reference information

Primary reference:
11121. L. R. Cox. 1936. Karroo Lamellibranchia from Tanganyika Territory and Madagascar. Quarterly Journal of the Geological Society of London 92(365):32-56 [D. Bottjer/M. Clapham/M. Clapham]