PN5, Peak 17315, Marsyangdi (Permian of Nepal)

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

• black siltstone with shale, sandstone and dolomite

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
 Productida - Strophalosiidae
Marginalosia kalikotei Waterhouse 1975
 Productida - Productellidae
Lazarevonia sp. Waterhouse 2001
Rhynchonellata
 Spiriferida - Trigonotretidae
"Transversaria marcouiformis" = Fusispirifer marcouiformis Jin 1976
Pondospirifer crassiconcha n. sp. Waterhouse and Chen 2007
 Spiriferida - Ingelarellidae
Ambikella sp. Sahni and Srivastava 1956
Ambikella undulosina Waterhouse and Chen 2007
 Athyridida - Athyrididae
 Spiriferinida - Spiriferellinidae
Sulcispiriferina plicata Waterhouse and Gupta 1982
 Terebratulida -
Dielasmatoidea indet. Schuchert 1913
 Terebratulida - Beecheriidae
Hoskingia dieneri Waterhouse 1978
Gastropoda
 Bellerophontida - Bellerophontidae
Retispira puchenpraensis Waterhouse and Chen 2006 snail
Bivalvia
 Myalinida - Atomodesmatidae
Atomodesma elongatum Wanner 1922 clam