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

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)

Fossil content edit

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 edit

See also edit

References edit

  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 edit

  • A. A. Ramírez Velasco, R. Hernández Rivera, and R. Servin Pichardo. 2014. The hadrosaurian record from Mexico. In D. A. Eberth & D. C. Evans (ed.), Hadrosaurs 340-360
  • Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
  • S. Kiel and M. d. C. Perrilliat. 2001. New gastropods from the Maastrichtian of the Mexcala Formation in Guerrero, southern Mexico, part 1: Stromboidea. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 222(3):407-426
  • E. Cabral Cano, H. R. Lang, and C. G. A. Harrison. 2000. Stratigraphic Assessment of the Arcelia-Teloloapan area, Southern Mexico: Implications for Southern Mexico's Post-Neocomian Tectonic Evolution. Journal of South American Earth Science 13:443-457
  • M. C. Perrilliat, F.J. Vega, and R. Corona. 2000. Early Maastrictian mollusca from the Mexcala formation of the state of Guerro, southern Mexico. Journal of Paleontology 74(1):7-24
  • I. Ferrusquia Villafranca, E. Jimenes Hidalgo, and V. M. Bravo Cuevas. 1995. Jurassic and Cretaceous dinosaur footprints from Mexico: additions and revisions. Journal of Vertebrate Paleontology 15(3, suppl.):28A
  • C. González Arreola. 1977. Amonitas del Coniaciano (Cretacico superior) de la region de Tepetlapa, estado de Guerrero [Coniacian (Upper Cretaceous) ammonoids from the Tepetlapa region (Guerrero)]. Revista Universidad Nacional Autonoma de Mexico, Instituto de Geologia 1(2):167-173