SSW of pt 2338, NNE of Ghundi, crinoidal limestone, Salt Range (Permian of Pakistan)

Where: Pakistan (32.7° N, 71.8° E: paleocoordinates 42.6° S, 55.9° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Chhidru Formation, Wuchiapingian (259.9 - 254.2 Ma)

• Beds with crinoidal limestone 35-45 feet below top of succession

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collection methods: Repository: Geological Survey of India

Primary reference: F. R. C. Reed. 1944. Brachiopoda and Mollusca from the Productus limestones of the Salt Range. Palaeontogica Indica, Memoirs of the Geological Survey of India, New Series 23(2):1-596 [P. Wagner/P. Wagner/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 126995: authorized by Matthew Clapham, entered by Matthew Clapham on 21.04.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Orthotetida - Schuchertellidae
Streptorhynchus sp. King 1850
K31.900, 902, 904, 905, 914
Kiangsiella pectiniformis Davidson 1862
var. K31.906
 Orthotetida - Derbyiidae
Derbyia regularis Waagen 1884
K31.901, 903
 Productida - Richthofeniidae
Richthofenia lawrenciana de Koninck 1863
K31.917
 Productida - Echinoconchidae
"Productus (Ruthenia) purdoni" = Contraspina purdoni
"Productus (Ruthenia) purdoni" = Contraspina purdoni Davidson 1862
var. mirkalanensis K31.897, var. prolongata K31.898
 Productida - Productidae
"Productus (Dictyoclostus) aratus" = Costiferina arata
"Productus (Dictyoclostus) aratus" = Costiferina arata Waagen 1884
K31.894, 895, 896
Rhynchonellata
 Athyridida - Athyrididae
"Athyris (Cleiothyridina) pectinifera" = Cleiothyridina pectinifera, "Athyris (Cleiothyridina) subexpansa" = Cleiothyridina subexpansa, "Spirigerella hybrida" = Athyrella hybrida, Spirigerella minuta
"Athyris (Cleiothyridina) pectinifera" = Cleiothyridina pectinifera Sowerby 1841
var. venusta K31.910
"Athyris (Cleiothyridina) subexpansa" = Cleiothyridina subexpansa Waagen 1883
K31.911
"Spirigerella hybrida" = Athyrella hybrida Waagen 1883
K31.915
Spirigerella minuta Waagen 1883
K31.910, 915
 Spiriferida - Elythidae
"Squamularia (Neophricodothyris) sp." = Phricodothyris
"Squamularia (Neophricodothyris) sp." = Phricodothyris George 1932
K31.913
 Spiriferida - Trigonotretidae
"Spirifer (Neospirifer) musakheylensis" = Betaneospirifer moosakhailensis
"Spirifer (Neospirifer) musakheylensis" = Betaneospirifer moosakhailensis Davidson 1862
K31.907
 Orthida - Schizophoriidae
"Orthis (Schizophoria) indica" = Acosarina minuta
"Orthis (Schizophoria) indica" = Acosarina minuta Abich 1878
K31.908, 910
 Terebratulida - Dielasmatidae
Dielasma sp., "Dielasma (Heterelasma) biplex" = Whitspakia biplex
Dielasma sp. King 1856
K31.912
"Dielasma (Heterelasma) biplex" = Whitspakia biplex Waagen 1882
K31.918
 Terebratulida - Gillediidae
Hemiptychina himalayensis Davidson 1862
var. K31.912
 Terebratulida - Notothyrididae
Notothyris praelecta Reed 1944
K31.912
Gastropoda
 Bellerophontida - Euphemitidae
"Euphemus indicus" = Euphemites indicus
"Euphemus indicus" = Euphemites indicus Waagen 1880 snail
K31.916
 Bellerophontida - Bellerophontidae
Bellerophon sp. de Montfort 1808 snail
K31.909, 912
Bellerophon triangularis Waagen 1880 snail
K31.909