Kandreho Formation
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| Kandreho Formation | |
|---|---|
| Stratigraphic range: Toarcian ~ | |
| Type | Geological formation |
| Lithology | |
| Primary | Marly limestone |
| Location | |
| Coordinates | Lua error in Module:Coordinates at line 489: attempt to index field 'wikibase' (a nil value). |
| Approximate paleocoordinates | Lua error: callParserFunction: function "#coordinates" was not found. |
| Region | Mahajanga Province |
| Country | Madagascar |
| Extent | Mahajanga Basin |
| Type section | |
| Named for | Kandreho |
| Named by | Geiger |
| Year defined | 2004 |
Outcrop of the formation in Madagascar | |
The Kandreho Formation is an Early Jurassic (middle or late Toarcian) geological formation of the Mahajanga Basin of Madagascar. The marly limestones of the formation were deposited in a subtidal lagoonal environment. The formation overlies the Bouleiceras and Spiriferina beds of the early Toarcian and has been correlated to the Marrat Formation of Saudi Arabia.[1] Fossils of the marine crocodylian "Steneosaurus" as well as bivalves and the ammonite Nejdia have been found in the formation.[2][3] The name Kandreho Formation was proposed by Geiger in 2004.[4]
Fossils
[edit | edit source]Crocodyliformes
[edit | edit source]| Genus | Species | Location | Material | Notes | Images |
|---|---|---|---|---|---|
| "Steneosaurus"[1] |
|
Behazonaty | Upper jaw fragment | A thalattosuchian mesoeucrocodylian. The genus Steneosaurus is a wastebasket taxon and the current referral of this specimen is unknown |
See also
[edit | edit source]References
[edit | edit source]- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Behazonaty, SW of the basin of the Kelifely at Fossilworks.org
- ^ Buffetaut et al., 1981, p.314
- ^ Geiger, 2004, p.125
Bibliography
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- Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).