Batu Asah, Kuan Town, Langkawi Island (Permian of Malaysia)

Where: Malaysia (6.3° N, 99.8° E: paleocoordinates 32.8° S, 121.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Selang Member (Singa Formation), Sakmarian (293.5 - 290.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, pebbly mudstone

Size class: macrofossils

Primary reference: T. B. Leonova, Mohd Shafeea Leman, and G. R. Shi. 1999. Discovery of an Early Permian (late Sakmarian) ammonoid from Langkawi Island, Malaysia. Alcheringa 23:277-281 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 82630: authorized by Matthew Clapham, entered by Matthew Clapham on 30.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferida - Elythidae
 Spiriferida - Ingelarellidae
? Martiniopsis sp.1 Waagen 1883
 Spiriferida - Martiniidae
Spinomartinia prolifica1 Waterhouse 1981
 Spiriferida - Trigonotretidae
 Terebratulida - Dielasmatidae
? Elasmata sp.1 Waterhouse 1982
 Spiriferinida - Paraspiriferinidae
"Arionthia sapa" = Lamniplica sapa1
"Arionthia sapa" = Lamniplica sapa1 Waterhouse 1982
 Rhynchonellida - Stenoscismatidae
Stenoscisma quasimutabilis1 Waterhouse 1981
 Rhynchonellida - Rhynchoporidae
Rhynchopora culta1 Waterhouse 1982
Strophomenata
 Productida - Linoproductidae
Kasetia cf. kaseti1 Waterhouse 1981
 Productida - Monticuliferidae
Bandoproductus monticulus2 Waterhouse 1982
Cephalopoda
 Goniatitida - Metalegoceratidae
Metalegoceras sp. Schindewolf 1931 ammonite