Where: Diana, Madagascar (13.6° S, 48.8° E: paleocoordinates 46.7° S, 39.0° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Lower Sakamena Formation (Sakamena Group), Wuchiapingian (259.9 - 254.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; lithified mudstone
Size class: macrofossils
Collected by Besairie in 1930
Primary reference: I. Vaillant-Couturier Treat. 1933. Paléontologie de Madagascar. XIX - Le Permo-Trias Marin. Annales de Paléontologie 22:39-96 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 81973: authorized by Matthew Clapham, entered by Matthew Clapham on 19.07.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Propinacoceras sp. Gemmellaro 1887 ammonite | |
Cyclolobus walkeri Diener 1903 ammonite | |
"Nautilus waterloti" = Liroceras waterloti, "Nautilus cf. molengraafi" = Liroceras molengraafi
"Nautilus waterloti" = Liroceras waterloti Vaillant-Couturier Treat 1933 nautiloid
"Nautilus cf. molengraafi" = Liroceras molengraafi Haniel 1915 nautiloid | |
Gastropoda | |
Bellerophon cf. vigilii Stache 1877 snail | |
Bivalvia | |
Palaeoneilo cf. praeacuta Klipstein 1843 clam Unlikely - Upper Triassic species. Corrected from "preacuta"
| |
Aviculopecten cf. punjabensis Reed 1931 scallop |