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