Ankirihitra, unit 2c (Jurassic of Madagascar)

Where: Madagascar (16.8° S, 46.5° E: paleocoordinates 24.4° S, 24.2° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Middle Callovian (164.7 - 161.2 Ma)

• Reineckeia anceps and Hubertoceras mutans 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 98134: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.09.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Oppeliidae
Ankobites saintoursi Collignon 1958 ammonite
 Ammonitida - Reineckeiidae
Reineckeia delarochei Collignon 1958 ammonite
 Ammonitida - Perisphinctidae
Kinkeliniceras anygaster, "Kinkeliniceras varuna" = Kinkeliniceras angygaster, "Kinkeliniceras cattalai" = Kinkeliniceras angygaster, Obtusicostites ranaivoi, Obtusicostites ankobensis, "Hubertoceras hubertus" = Obtusicostites devi, "Obtusicostites ushas" = Obtusicostites obtusicosta
"Kinkeliniceras varuna" = Kinkeliniceras angygaster Waagen 1875 ammonite
"Kinkeliniceras cattalai" = Kinkeliniceras angygaster Waagen 1875 ammonite
"Hubertoceras hubertus" = Obtusicostites devi Spath 1931 ammonite
"Obtusicostites ushas" = Obtusicostites obtusicosta Waagen 1875 ammonite