Lower assemblage, Twin Valleys Section, near Lake Karambar, Karakorum, Pakistan (Carboniferous of Pakistan)

Where: Karakorum, Pakistan (36.9° N, 73.8° E: paleocoordinates 52.0° S, 71.4° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Bashkirian (323.2 - 315.2 Ma)

• In the Lower N-Karamar tectonic unit

Environment/lithology: marine; black marl

• "100 m of black marls, calcarerous siltites, calcarous sandstones and marly limestones"

Size class: macrofossils

Collection methods: quarrying,

• Specimens are housed in the Paleontological Museum of the University of Milan, Italy (MPUM)

Primary reference: L. Angiolini, H. Brunton, and A. Zanchi. 1999. Late Carboniferous brachiopods from Karakorum, Pakistan. Rivista Italiana di Paleontologia e Stratigrafia 105(1):3-22 [J. Alroy/D. Lamb/D. Lamb]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 50552: authorized by John Alroy, entered by David Lamb on 17.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Also included bryozoans and corals (no formal names given though)
Rhynchonellata
 Spiriferida - Trigonotretidae
Gypospirifer sp. Cooper and Grant 1976
 Spiriferida - Choristitidae
Choristites sp. Fischer de Waldheim 1825
 Spiriferida - Spiriferidae
Afghanospirifer sp. Plodowski 1968
 Spiriferida - Ingelarellidae
Martiniopsis sp. Waagen 1883
 Athyridida - Athyrididae
Composita sp. Brown 1849
 Orthida - Rhipidomellidae