Bap, western Rajasthan: Sakmarian, India

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Spiriferida - Trigonotretidae
? Aperispirifer sp. Waterhouse 1968
    = Trigonotreta sp. Koenig 1825
Archbold et al. 1996
Rhynchonellata - Spiriferinida - Paraspiriferinidae
Lamniplica punctata n. gen., n. sp. Waterhouse and Ranga Rao 1989
Rhynchonellata - Spiriferinida - Syringothyrididae
Subansiria ranganensis Sahni and Srivastava 1956
    = Cyrtella sp. Fredericks 1924
Archbold et al. 1996
Rhynchonellata - Terebratulida - Dielasmatidae
? Elasmata retusus Waterhouse 1982
    = ? Elasmata informal sp. nov. Waterhouse 1982
Archbold et al. 1996
Strophomenata - Orthotetida - Schuchertellidae
Arctitreta bapensis n. sp. Waterhouse and Ranga Rao 1989
Bivalvia - Pectinida - Eurydesmatidae
Eurydesma hobartense rotundatum
Strophomenata - Productida - Strophalosiidae
Strophalosia perfecta n. sp. Waterhouse and Ranga Rao 1989
see common names

Geography
Country:India
Coordinates: 27.4° North, 72.3° East (view map)
Paleocoordinates:56.8° South, 50.9° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Permian Epoch: Cisuralian
Stage: Sakmarian 10 m.y. bin: Permian 2
Key time interval: Sakmarian Other zone:  Granulatisporites confluens
Age range of interval: 293.52 - 290.1 m.y. ago
Stratigraphy
Formation:Bap
Stratigraphic resolution:group of beds
Stratigraphy comments: Granulatisporites confluens pollen zone, assigned by authors to mid-Asselian but to early Sakmarian (Tastubian) by Archbold et al., 1996.
Lithology and environment
Primary lithology: lithified "siliciclastic"
Environment:marine indet.
Taphonomy
Modes of preservation:body,replaced with silica
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:taxonomic analysis
Collection method comments: Only part of the fauna was available for study.
Metadata
Database number:39932
Authorizer:D. Bottjer, M. Clapham Enterer:M. Clapham
Modifier:P. Wagner Research group:marine invertebrate
Created:2004-06-12 15:20:06 Last modified:2023-11-27 23:22:26
Access level:the public Released:2004-06-12 15:20:06
Creative Commons license:CC BY
Reference information

Primary reference:
10834. J. B. Waterhouse and A. Ranga Rao. 1989. Early Permian brachiopod and bivalve species from the Bap Formation of Peninsula India. Paläontologische Zeitschrift 63:25-39 [D. Bottjer/M. Clapham/J. Alroy]

Secondary references:

27744 N. W. Archbold, S. C. Shah, and J. M. Dickins. 1996. Early Permian brachiopod faunas from peninsular India: their Gondwanan relationships. Historical Biology 11:125-135 [M. Clapham/M. Clapham/M. Uhen]