Mexcala Formation
Stratigraphic range: late Turonian-late Maastrichtian
~90–66 Ma
TypeGeological formation
Lithology
PrimaryLimestone, sandstone
OtherMarl, shale
Location
Coordinates18°00′N 99°12′W / 18.0°N 99.2°W / 18.0; -99.2
Approximate paleocoordinates20°30′N 71°24′W / 20.5°N 71.4°W / 20.5; -71.4
RegionGuerrero state
Country Mexico
Type section
Named forMexcala
Mexcala Formation is located in Mexico
Mexcala Formation
Mexcala Formation (Mexico)

The Mexcala Formation is a Late Cretaceous (late Turonian to late Maastrichtian) geologic formation in Guerrero state, southern Mexico.[1][2]

Fossil content

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Fossil ornithopod tracks assigned to Hadrosauridae indet. and sauropod tracks have been reported from the formation.[3]

Other fossils from the formation include:[1]

Ammonites

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See also

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References

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  1. ^ a b Mexcala Formation at Fossilworks.org
  2. ^ BioOne Online Journals: "Early MAASTRICHTIAN MOLLUSCA from the MEXCALA FORMATION of the State of GUERRERO, Southern MEXICO"
  3. ^ Weishampel et al., 2004, "Dinosaur distribution", pp.517-607
  4. ^ a b c d e González Arreola, 1977
  5. ^ a b c d e Cabral Cano et al., 2000

Bibliography

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