Ankirijy (Jurassic of Madagascar)

Where: Madagascar (20.7° S, 44.9° E: paleocoordinates 27.1° S, 20.1° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Oxfordian (163.5 - 157.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified limestone and lithified, glauconitic sandstone

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 98175: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.09.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Oppeliidae
Trimarginites sp. Rollier 1909 ammonite
Sublunuloceras vendegiesi Collignon 1959 ammonite
Oxycerites cf. hersilia d'Orbigny 1850 ammonite
 Ammonitida - Perisphinctidae
 Ammonitida - Sphaeroceratidae
 Ammonitida - Aspidoceratidae
"Parawedekindia cf. arduennensis" = Peltoceratoides (Parawedekindia) arduennensis d'Orbigny 1848 ammonite
Peltoceras metamorphicum Spath 1931 ammonite
Peltoceras bidens Waagen 1875 ammonite
"Metapeltoceras aff. armiger" = Peltoceras (Metapeltoceras) ammonite
Metapeltoceras diversiforme Waagen 1875 ammonite
Peltoceras kachhense Spath 1931 ammonite