Pong-Oua, near Luang Prabang (Permian of Laos)

Where: Laos (19.9° N, 102.1° E: paleocoordinates 13.4° S, 96.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wordian (266.9 - 264.3 Ma)

• Lower limestone, containing Neoschwagerina cf. globosa (now Yabeina globosa), Sumatrina annae, "Fusulina exilis", and Schwagerina douvillei (now Verbeekina douvillei) according to Mansuy. Fontaine (1961) reports Neoschwagerina craticulifera. The fusulinids suggest a Wordian age.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by Mansuy

Primary reference: H. Mansuy. 1912. Mission du Laos. I. Géologie des environs de Luang-Prabang. Mémoires du Service Géologique de l'Indochine 1(4):1-32 [G. Webster/G. Webster/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 125044: authorized by Matthew Clapham, entered by Matthew Clapham on 02.03.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
 Stauriida - Waagenophyllidae
Ipciphyllum huangi2, "Parawentzelella cf. canalifera" = Parawentzelella (Parawentzelella) canalifera1, "Lonsdaleia counilloni n. sp." = Pseudohuangia counilloni, "Chonaxis pongouaensis n. sp." = Iranophyllum (Laophyllum) pongouaense, Wentzelella laosensis1, Polythecalis rosiformis1
Ipciphyllum huangi2 Minato and Kato 1965 horn coral
Wentzelella laosensis var. tenuis in Fontaine 1961
"Parawentzelella cf. canalifera" = Parawentzelella (Parawentzelella) canalifera1 Mansuy 1913 horn coral
"Lonsdaleia counilloni n. sp." = Pseudohuangia counilloni Mansuy 1912 horn coral
"Chonaxis pongouaensis n. sp." = Iranophyllum (Laophyllum) pongouaense Mansuy 1912 horn coral
Wentzelella laosensis1 Patte 1926 horn coral
Polythecalis rosiformis1 Huang 1932 horn coral
Stenolaemata
 Cryptostomata - Acanthocladiidae
Polypora cf. megastoma
Polypora cf. megastoma de Koninck 1863
 Cryptostomata - Reteporinidae
"Phyllopora cf. ehrenbergi" = Kingopora ehrenbergi
"Phyllopora cf. ehrenbergi" = Kingopora ehrenbergi Geinitz 1846
Rhynchonellata
 Terebratulida - Notothyrididae
Dielasma (Notothyris) triangularis n. sp.
 Terebratulida - Dielasmatidae
Dielasma grandi n. sp.
Dielasma grandi n. sp. Mansuy 1912
 Orthida - Orthidae
? Orthis sp.
? Orthis sp. Dalman 1828
Strophomenata
 Orthotetida - Orthotetidae
"Orthothetes" ? crenistria
 Productida - Productidae
"Productus subcostatus" = Costiferina subcostata
"Productus subcostatus" = Costiferina subcostata Waagen 1884
Gastropoda
 Murchisoniina - Gosseletinidae
"Pleurotomaria cf. punjabica" = Callistadia punjabica
"Pleurotomaria cf. punjabica" = Callistadia punjabica Waagen 1880 snail
 Pleurotomarioidea - Pleurotomariidae
? Pleurotomaria sp.
? Pleurotomaria sp. Defrance 1826 snail
Echinoidea
  - Archaeocidaridae
Archaeocidaris wartellei n. sp.
Archaeocidaris wartellei n. sp. Mansuy 1912 sea urchin
Crinoidea
 Dendrocrinida - Rutkowskicrinidae
"? Poteriocrinus sp." = Propoteriocrinus
"? Poteriocrinus sp." = Propoteriocrinus Schmidt 1934 Sea lily
1Fontaine 1961; 2Minato and Kato 1965