Ankazomihaboka Formation

Last updated
Ankazomihaboka Formation
Stratigraphic range: Coniacian
~89–86  Ma
O
S
D
C
P
T
J
K
Pg
N
Type Geological formation
Underlies Marovoay Beds
Overlies Basalt
Lithology
Primary Claystone, sandstone
Location
Coordinates 16°12′S46°42′E / 16.2°S 46.7°E / -16.2; 46.7
Approximate paleocoordinates 34°54′S37°48′E / 34.9°S 37.8°E / -34.9; 37.8
Region Boeny, Mahajanga Province
Country Madagascar
Extent Mahajanga Basin
Madagascar physical map.svg
Lightgreen pog.svg
Location of the formation in Madagascar

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. [1] The formation is overlain by the Marovoay Beds and overlies basalt. [2]

Contents

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. 1 2 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.
  4. Challands, Tom J.; Cavin, Lionel; Zondo, Michel; Munyikwa, Darlington; Choiniere, Jonah N.; Barrett, Paul M. (2023-11-02). "A new lungfish from the Upper Triassic of the Mid-Zambezi Basin, Zimbabwe" . Journal of Vertebrate Paleontology. 43 (6): e2365391. doi: 10.1080/02724634.2024.2365391 . ISSN   0272-4634.

Bibliography

Further reading