Chidru, siliceous Middle Productus, Salt Range (Permian of Pakistan)

Also known as Chhidru

Where: Pakistan (32.6° N, 71.8° E: paleocoordinates 42.8° S, 55.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kalabagh Member (Wargal Formation), Wuchiapingian (259.9 - 254.2 Ma)

• Very hardest marble-like siliceous limestones of the middle division of the Productus limestone

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, cherty/siliceous limestone

Size class: macrofossils

Collected by Wynne

Primary reference: W. Waagen. 1883. Productus Limestone Fossils, Part IV, fas. 2. Salt Range Fossils, Palaeontologia Indica, Series 13 1(4):391-546 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 89059: authorized by Matthew Clapham, entered by Matthew Clapham on 01.05.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferinida - Spiriferellinidae
""Spiriferina" nasuta" = Spiriferellina nasuta
""Spiriferina" nasuta" = Spiriferellina nasuta Waagen 1883