Ankirihitra, unit 2b (Jurassic of Madagascar)

Where: Madagascar (16.8° S, 46.5° E)

• Paleocoordinates: 29.7° S, 36.5° E (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Middle Callovian (164.7 - 161.2 Ma)

• Oecoptychius refractus and Phlycticeras franconicum zone

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified marl and lithified limestone

Size class: macrofossils

Primary reference: H. Besairie and M. Collignon. 1972. Geologie de Madagascar I. Les Terrains Sedimentaires. Annales Geologiques de Madagascar 35:1-463 [A. Rees/A. Rees]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98133: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.09.2010

Creative Commons license: CC0 (CC0)

Taxonomic list

Cephalopoda
 Ammonitida - Oppeliidae
Bivalvia
 Ostreida - Palaeolophidae
"Alectryonia gregarea" = Actinostreon gregareum
"Alectryonia gregarea" = Actinostreon gregareum Sowerby 1816 oyster
Cephalopoda
 Ammonitida - Perisphinctidae
Kinkeliniceras kinkelini, Obtusicostites sp., "Choffatia aff. cobra" = Choffatia, "Grossouvria rjasanensis" = Choffatia, Grossouvria evexa
Kinkeliniceras kinkelini Dacque 1910 ammonite
"Choffatia aff. cobra" = Choffatia ammonite
"Grossouvria rjasanensis" = Choffatia ammonite
Grossouvria evexa Quenstedt 1885 ammonite
 Ammonitida - Oppeliidae