Ankitokazo region (Permian of Madagascar)

Where: Diana, Madagascar (13.5° S, 49.0° E: paleocoordinates 46.7° S, 39.2° 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 Waterlot

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 119511: authorized by Matthew Clapham, entered by Matthew Clapham on 29.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Hyolitha
 Hyolithida - Hyolithidae
? Hyolithes sp.
? Hyolithes sp. d'Eichwald 1840
Cephalopoda
 Ceratitida - Xenodiscidae
Xenodiscus besairiei2
Xenodiscus besairiei2 Spinosa et al. 1975 ceratite
 Nautilida - Liroceratidae
"Nautilus waterloti n. sp." = Liroceras waterloti
"Nautilus waterloti n. sp." = Liroceras waterloti Vaillant-Couturier Treat 1933 nautiloid
Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo cf. praeacuta
Palaeoneilo cf. praeacuta Klipstein 1843 clam
Unlikely - Upper Triassic species. Corrected from "preacuta"
 Nuculanida - Polidevciidae
"Leda elongata n. sp." = Phestia elongata
"Leda elongata n. sp." = Phestia elongata Vaillant-Couturier Treat 1933 clam
 Nuculida - Nuculidae
? Nuculopsis sp.1
? Nuculopsis sp.1 Girty 1912 nut clam
Collector not stated
 Myalinida - Myalinidae
Liebea dieneri n. sp.
Liebea dieneri n. sp. Vaillant-Couturier Treat 1933 clam
 Pectinida - Limidae
"Lima cf. footei" = Palaeolima footei
"Lima cf. footei" = Palaeolima footei Waagen 1881 file clam
Collector not stated
unclassified
  -
? Porifera indet.
? Porifera indet. Grant 1836
? Spongiare (?)
1Clapham 2015; 2Spinosa et al. 1975