Where: Nepal (28.7° N, 83.9° E: paleocoordinates 51.4° S, 62.0° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Ngawal Member (Senja Formation), Changhsingian (254.2 - 252.2 Ma)
• top of the member; Biplatyconcha grandis zone
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; lithified siltstone and lithified shale
Size class: macrofossils
Preservation: mold/impression
Primary reference: J. B. Waterhouse and Z.Q. Chen. 2006. Stratigraphy and Mollusca of the Late Permian Senja Formation, Manang area, Nepal Himalaya. Palaeontographica Abteilung A 275(1-3):55-96 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 120386: authorized by Matthew Clapham, entered by Matthew Clapham on 11.11.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
Marginalosia kalikotei Waterhouse 1975 | |
Lazarevonia sp. Waterhouse 2001 | |
Rhynchonellata | |
Betaneospirifer neomarcoui, "Transversaria marcouiformis" = Fusispirifer marcouiformis, Pondospirifer crassiconcha n. sp.
Betaneospirifer neomarcoui Licharew 1942
"Transversaria marcouiformis" = Fusispirifer marcouiformis Jin 1976
Pondospirifer crassiconcha n. sp. Waterhouse and Chen 2007 | |
Ambikella sp. Sahni and Srivastava 1956
Ambikella undulosina Waterhouse and Chen 2007 | |
Cleiothyridellina accoliformis Waterhouse 1978
Cleiothyridina subexpansa Waagen 1883 | |
Sulcispiriferina plicata Waterhouse and Gupta 1982 | |
Dielasmatoidea indet. Schuchert 1913 | |
Hoskingia dieneri Waterhouse 1978 | |
Gastropoda | |
Retispira puchenpraensis Waterhouse and Chen 2006 snail | |
Bivalvia | |
Atomodesma elongatum Wanner 1922 clam |