Ankazomihaboka Formation

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Ankazomihaboka Formation
Stratigraphic range: Coniacian
~89–86 Ma
↓
TypeGeological formation
Underlies
OverliesBasalt
Lithology
PrimaryClaystone, sandstone
Location
Coordinates16°12′S 46°42′E / 16.2°S 46.7°E / -16.2; 46.7Coordinates: 16°12′S 46°42′E / 16.2°S 46.7°E / -16.2; 46.7
Approximate paleocoordinates34°54′S 37°48′E / 34.9°S 37.8°E / -34.9; 37.8
RegionBoeny, Mahajanga Province
Country Madagascar
Extent
Ankazomihaboka Formation is located in Madagascar
Ankazomihaboka Formation
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Location of the formation in Madagascar

The Ankazomihaboka Formation is a Coniacian geologic formation in the of northwestern Madagascar. The formation comprises claystones and sandstones deposited in a fluvial to lacustrine environment.[1] The formation is overlain by the and overlies basalt.[2]

Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.[3]

Fossil content[]

See also[]

References[]

  1. ^ a b c MAD 96 at Fossilworks.org
  2. ^ Rogers et al., 2000, p.280
  3. ^ Weishampel, et al. (2004). "Dinosaur distribution" Pp. 517-607. in Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2. " Pp. 517-607.

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
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