Earth:Ankarafantsika Formation

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Ankarafantsika Formation
Stratigraphic range: Cenomanian
TypeGeological formation
UnderliesBasalt
Lithology
PrimarySandstone
Location
Coordinates [ ⚑ ] : 16°24′S 46°54′E / 16.4°S 46.9°E / -16.4; 46.9
Paleocoordinates [ ⚑ ] 37°48′S 36°36′E / 37.8°S 36.6°E / -37.8; 36.6
RegionBoeny, Mahajanga Province
CountryMadagascar
ExtentMahajanga Basin
Type section
Named forAnkarafantsika National Park
Ankarafantsika Formation is located in Madagascar
Ankarafantsika Formation
Location of the formation in Madagascar

The Ankarafantsika Formation is a Late Cretaceous (Cenomanian) geologic formation of the Mahajanga Basin in the Boeny region of Madagascar, Africa. The fine-grained sandstones of the formation were deposited in a fluvial to lacustrine environment.[1][2]

Fossil content

The following fossils have been reported from the formation:

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Dinosaurs

Sauropods

Sauropods of the Ankarafantsika Formation
Genus Species Location Stratigraphic position Material Notes Image
Sauropoda indet.[1][3] Indeterminate An indeterminate sauropod

See also

  • List of dinosaur-bearing rock formations
  • List of stratigraphic units with indeterminate dinosaur fossils
  • List of fossiliferous stratigraphic units in Madagascar
  • Geology of Madagascar

References

  1. 1.0 1.1 Southeast of Marovoay at Fossilworks.org
  2. N. J. Mateer, P. Wycisk, L. L. Jacobs, M. Brunet, P. Luger, M. A. Arush, F. Hendriks, T. WEissbrod, G. Gvirtzman, E. Mbede, A. Dina, R. T. J. Moody, G. Weigelt, H. A. El-Nakhal, J. Hell and J. Stets. 1992. Correlation of nonmarine Cretaceous strata of Africa and the Middle East. Cretaceous Research 13:273-318
  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.