Where: Nepal (29.5° N, 83.0° E: paleocoordinates 50.3° S, 61.9° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Nisal Member (Senja Formation), Changhsingian (254.2 - 252.2 Ma)
• Correlation is difficult, but stratigraphic position suggests Changhsingian age.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Preservation: cast, original calcite
Collection methods: Some collections were of individual specimens, others as large as possible under the circumstances, with a few localities represented by rock weighing more than 50 kg. Most collections were made from just over 50 measured sections, and are under good stratigraphic control.
Primary reference: J. B. Waterhouse. 1978. Permian Brachiopoda and Mollusca from north-west Nepal. Palaeontographica Abteilung A 160(1-6):1-175 [D. Bottjer/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 43185: authorized by David Bottjer, entered by Matthew Clapham on 10.08.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
"Rugaria nisalensis" = Nisalarinia nisalensis
"Rugaria nisalensis" = Nisalarinia nisalensis Waterhouse 1978 | |
Megasteges nepalensis Waterhouse 1975 | |
Marginalosia kalikotei Waterhouse 1975 | |
"Cancrinella polliciformis" = Costatumulus polliciformis
"Cancrinella polliciformis" = Costatumulus polliciformis Waterhouse 1978 | |
Rhynchonellata | |
Spiriferella rajah Salter 1865 | |
"Neospirifer ravaniformis" = Betaneospirifer ravaniformis
"Neospirifer ravaniformis" = Betaneospirifer ravaniformis Waterhouse 1978 | |
Pteroplecta laminatus Waterhouse 1978 | |
"Spiriferinacea "indet. B"" = Spiriferinoidea
"Spiriferinacea "indet. B"" = Spiriferinoidea Davidson 1884 | |
Yaonoiella himalayanica Waterhouse 1983 | |
Cleiothyridellina accoliformis n. gen. n. sp.
Cleiothyridellina accoliformis n. gen. n. sp. Waterhouse 1978 | |
Bivalvia | |
? Clavicosta rugatula n. sp.
? Clavicosta rugatula n. sp. Waterhouse 1978 scallop |