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)
• Obtusicostites obtusicosta 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 98132: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.09.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Choffatia aff. subtilis" = Choffatia, "Grossouvria aff. rjasanensis" = Choffatia, Grossouvria aff. evexa, Obtusicostites sp.
"Choffatia aff. subtilis" = Choffatia ammonite
"Grossouvria aff. rjasanensis" = Choffatia ammonite
Grossouvria aff. evexa Quenstedt 1885 ammonite
Obtusicostites sp. ammonite | |
Bonarellia sp. Cossmann 1898 ammonite
Sindeites cf. waageni ammonite |