The Itapecuru Formation is a geological formation in Itapecuru Mirim, Maranhão, Brazil.

It was formed during the Aptian to Albian stages of the Early Cretaceous.[1] Dinosaur remains are among the fossils that have been recovered from the formation.[2]

Fossil content

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 Itapecuru Formation
Genus Species Location Stratigraphic position Material Notes Images
Amazonsaurus[3] A. maranhensis A rebbachisaurid sauropod
Sauropoda indet.[2] Indeterminate

Theropods

Theropods of the Itapecuru Formation
Genus Species Location Stratigraphic position Material Notes Images
Abelisauridae Indet.[2] Indeterminate
Carcharodontosauridae Indet.[2] Indeterminate
Oxalaia[2] O. quilombensis A spinosaurid theropod
Theropoda indet.[2] Indeterminate

Crocodylomorphs

Crocodylomorphs of the Itapecuru Formation
Genus Species Location Stratigraphic position Material Notes Images
Candidodon[4] C. itapecuruense A candidodontid notosuchian

Turtles

Turtles of the Itapecuru Formation
Genus Species Location Stratigraphic position Material Notes Images
Itapecuruemys[5] I. amazoniensis A bothremydid turtle

See also

References

  1. ^ Ferreira, Neila N.; Ferreira, Elizabete P.; Ramos, Renato R.C.; Carvalho, Ismar S. (2016). "Palynological and sedimentary analysis of the Igarapé Ipiranga and Querru 1 outcrops of the Itapecuru Formation (Lower Cretaceous, Parnaíba Basin), Brazil". Journal of South American Earth Sciences. 66: 15–31. Bibcode:2016JSAES..66...15F. doi:10.1016/j.jsames.2015.12.005. ISSN 0895-9811.
  2. ^ a b c d e f Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, South America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 600-604. ISBN 0-520-24209-2.
  3. ^ de Souza Carvalho, Ismar; dos Santos Avilla, Leonardo; Salgado, Leonardo (2003). "Amazonsaurus maranhensis gen. et sp. nov. (Sauropoda, Diplodocoidea) from the Lower Cretaceous (Aptian–Albian) of Brazil". Cretaceous Research. 24 (6). Elsevier BV: 697–713. Bibcode:2003CrRes..24..697D. doi:10.1016/j.cretres.2003.07.005. ISSN 0195-6671.
  4. ^ Candidodon itapecuruense type locality at Fossilworks.org
  5. ^ Batista, Diego L.; de Sousa Carvalho, I.; de la Fuente, M.S. (2020). "A new Cretaceous (Pleurodira: Pelomedusoides) from the Lower Cretaceous of Parnaíba Basin, Brazil": Journal of South American Earth Sciences. https://doi.org/10.1016/j.jsames.2020.102872
Allikas: https://en.wikipedia.org/wiki/Itapecuru_Formation
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