USNM9161, Narmia Nala, Surghar Range (Permian of Pakistan)

Where: Punjab, Pakistan (33.0° N, 71.2° E: paleocoordinates 40.3° S, 56.4° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Kathwai Member (Mianwali Formation), Changhsingian (254.2 - 252.2 Ma)

• Lowest 6 inches of Dolomite Unit (lowest unit of Kathwai Member) were collected.

• bed-level stratigraphic resolution

Environment/lithology: marine; dolomitic, shelly/skeletal, gray limestone

• Limestone, very pale orange to yellowish-gray, coquinoidal, partly dolomitized.

Size class: macrofossils

Primary reference: R. E. Grant. 1970. Brachiopods from the Permian-Triassic boundary beds and age of Chhidru Formation, West Pakistan. Department of Geology, University of Kansas Special Publication 4:117-151 [D. Bottjer/M. Clapham/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 41564: authorized by David Bottjer, entered by Matthew Clapham on 16.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Productida - Productellidae
Spinomarginifera kathwaiensis2 Waterhouse and Gupta 1983
 Productida - Schrenkiellidae
"Linoproductus periovalis" = Schrenkiella periovalis2
"Linoproductus periovalis" = Schrenkiella periovalis2 Waterhouse and Gupta 1983
 Productida - Lyttoniidae
"Lyttonia sp." = Leptodus
"Lyttonia sp." = Leptodus Kayser 1883
 Orthotetida - Derbyiidae
? Derbyia sp. Waagen 1884
 Orthotetida - Orthotetidae
Orthotetidae indet. Waagen 1884
 Orthotetida - Meekellidae
Ombonia sp., "Orthothetina cf. arakeljani" = Meekella arakeljani
Ombonia sp. Caneva 1906
"Orthothetina cf. arakeljani" = Meekella arakeljani Sokolskaja 1965
 Athyridida - Athyrididae
Spirigerella sp. Waagen 1883
 Terebratulida - Dielasmatidae
Whitspakia "sp. 2" Stehli 1964
 Spiriferida - Martiniidae
Martinia acutomarginiformis2 Waterhouse and Gupta 1983
 Orthida - Enteletidae
 Orthida - Schizophoriidae
Orthotichia sp. Hall and Clarke 1892
 Lingulida - Lingulidae
Lingularia sp.1 Biernat and Emig 1993