The Ankazomihaboka Formation is a Coniacian geologic formation in the Mahajanga Basin of northwestern Madagascar. The formation comprises claystones and sandstones deposited in a fluvial to lacustrine environment. The formation is overlain by the Marovoay Beds and overlies basalt.
Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.
Fossil content
"Titanosaurus" madagascariensis
Majungasaurus crenatissimus (theropod indet.) Axelrodichthys sp. Ceratodus madagascariensis
See also
List of dinosaur-bearing rock formations
List of stratigraphic units with few dinosaur genera
List of fossiliferous stratigraphic units in Madagascar
Geology of Madagascar
References
Bibliography
Further reading
Curry, K. A. 1997. Vertebrate fossils from the Upper Cre-taceous Ankazomihaboka Sandstones, Mahajanga Ba-sin, Madagascar. J. Vertebr. Paleontol. 17(suppl.):40A M. D. Gottfried, R. R. Rogers, and K. A. Curry Rogers. 2004. First record of Late Cretaceous coelacanths from Madagascar. Recent Advances in the Origin and Early Radiation of Vertebrates, in G. Arratia, M. V. H. Wilson, and R. Cloutier (eds.), Verlag Dr. Friedrich Pfeil, München 687-691