Chidru, Upper Productus-limestone, Salt Range (Permian of Pakistan)

Also known as Chhidru

Where: Pakistan (32.6° N, 71.8° E: paleocoordinates 41.0° S, 56.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Chhidru Formation, Changhsingian (254.2 - 252.2 Ma)

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

Size class: macrofossils

Primary reference: W. H. Waagen. 1879. Productus Limestone Fossils, Part I. Salt Range Fossils, Palaeontologia Indica, Series 13 1(1):1-72 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 89064: authorized by Matthew Clapham, entered by Matthew Clapham on 03.05.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida - Echinoconchidae
"Productus purdoni" = Contraspina purdoni4
"Productus purdoni" = Contraspina purdoni4 Davidson 1862
 Orthotetida - Derbyiidae
Derbyia regularis5 Waagen 1884
var. minor
Derbyia hemisphaerica5 Waagen 1884
Rhynchonellata
 Athyridida - Athyrididae
"Athyris cf. pectinifera" = Cleiothyridina pectinifera3 Sowerby 1841
 Terebratulida - Dielasmatidae
"Dielasma breviplicatum" = Whitspakia breviplicatum2
"Dielasma breviplicatum" = Whitspakia breviplicatum2 Waagen 1882
 Spiriferida - Trigonotretidae
"Spirifer musakheylensis" = Neospirifer (Neospirifer) moosakhailensis3
"Spirifer musakheylensis" = Neospirifer (Neospirifer) moosakhailensis3 Davidson 1862
 Spiriferida - Ingelarellidae
Martiniopsis inflata n. gen. n. sp.3
Martiniopsis inflata n. gen. n. sp.3 Waagen 1883
Gastropoda
 Bellerophontida - Bellerophontidae
Bellerophon triangularis6 Waagen 1880 snail
"Bellerophon blanfordianus" = Bellerophon (Bellerophon) blanfordianus6 Waagen 1880 snail
 Bellerophontida - Euphemitidae
"Euphemus indicus" = Euphemites indicus6
"Euphemus indicus" = Euphemites indicus6 Waagen 1880 snail
Chondrichthyes
 Petalodontiformes - Pristodontidae
Petalorhynchus indicus n. sp. Waagen 1879 chimaera
Tooth