Anaborano, Ifasy River, lower level (Permian of Madagascar)

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

Show authors, comments, and common names
Cephalopoda
 Prolecanitida - Medlicottiidae
Propinacoceras sp.
Propinacoceras sp. Gemmellaro 1887 ammonite
 Goniatitida - Cyclolobidae
Cyclolobus walkeri
Cyclolobus walkeri Diener 1903 ammonite
 Nautilida - Liroceratidae
"Nautilus cf. molengraafi" = Liroceras molengraafi, "Nautilus waterloti" = Liroceras waterloti
"Nautilus cf. molengraafi" = Liroceras molengraafi Haniel 1915 nautiloid
"Nautilus waterloti" = Liroceras waterloti Vaillant-Couturier Treat 1933 nautiloid
Gastropoda
 Bellerophontida - Bellerophontidae
Bellerophon cf. vigilii
Bellerophon cf. vigilii Stache 1877 snail
Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo cf. praeacuta
Palaeoneilo cf. praeacuta Klipstein 1843 clam
Unlikely - Upper Triassic species. Corrected from "preacuta"
 Pectinida - Aviculopectinidae
Aviculopecten cf. punjabensis