Where: Vietnam (23.1° N, 105.4° E: paleocoordinates 6.5° S, 98.6° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Guadalupian (273.0 - 259.5 Ma)
• Probably Middle Permian (possibly Roadian-Wordian) based on presence of Parafusulina cf. japonica also near Dong-Van.
• group of beds-level stratigraphic resolution
Environment/lithology: lithified limestone
Size class: macrofossils
Collected by Lantenois
• Repository: Ecole des Mines, Paris (possibly now MNHN?)
Primary reference: H. A. Mansuy. 1908. Contribution à la Carte Géologique de l'Indo-China, Paléontologie 1-73 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 139274: authorized by Matthew Clapham, entered by Matthew Clapham on 10.02.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
"Dielasma acutangulum" = Gundarolasmina acutangulum
"Dielasma acutangulum" = Gundarolasmina acutangulum Waagen 1882 |