USNM9160, Narmia Spring, Surghar Range (Permian of Pakistan)

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

• coordinate estimated from map

• outcrop-level geographic resolution

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

• Collected from 6-12 inches above the base of the Dolomite Unit (the lowest of the Kathwai Member).

• bed-level stratigraphic resolution

Environment/lithology: marine; fine-grained, shelly/skeletal, gray dolomite

• Dolomite, generally grayish-orange, fine-grained, coquinoidal consisting mainly of echinoderm fragments.

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 41563: authorized by David Bottjer, entered by Matthew Clapham on 16.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferida - Ambocoeliidae
"Crurithyris extima" = Orbicoelia extima
"Crurithyris extima" = Orbicoelia extima Grant 1970