Khao Than, Bioclastic Limestone Facies, Chumphon (Permian of Thailand)

Where: Thailand (10.1° N, 99.2° E: paleocoordinates 35.5° S, 112.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Khao Phra Formation, Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, shelly/skeletal, cherty/siliceous limestone

• Siliceous bioclastic limestone, with extensive nodular cherts. Brachiopods locally form poorly sorted coquina beds.

Size class: macrofossils

Preservation: mold/impression

Primary reference: G. R. Shi, L. Raksaskulwong, and H. J. Campbell. 2001. Early Permian brachiopods from central and northern peninsular Thailand. Carboniferous and Permian of the World. Canadian Society of Petroleum Geologists Memoir 19:596-608 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117766: authorized by Matthew Clapham, entered by Matthew Clapham on 26.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Athyridida - Athyrididae
Cleiothyridina sp.
Cleiothyridina sp. Buckman 1906
 Spiriferida - Spiriferellidae
Spiriferella modesta
Spiriferella modesta Waterhouse 1981
 Spiriferida - Trigonotretidae
"Neospirifer hardmani" = Quadrospira hardmani, Trigonotreta "sp. A"
"Neospirifer hardmani" = Quadrospira hardmani Foord 1890
Trigonotreta "sp. A" Koenig 1825
 Rhynchonellida - Stenoscismatidae
Stenoscisma quasimutabilis
Strophomenata
 Orthotetida - Schuchertellidae
Streptorhynchus sp.
 Strophomenida - Rugosochonetidae
Neochonetes (Sommeriella) pratti
 Productida - Aulostegidae
Aulosteges sp.
Aulosteges sp. von Helmersen 1847
 Productida - Productidae
Stereochia kaoyaoensis
Stereochia kaoyaoensis Waterhouse 1981