Itapecuru Formation

Itapecuru Formation
Itapecuru Formation
Stratigraphic range: Aptian-Cenomanian; ~120–95 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Underlies	Alluvium & Corda Formation
Overlies	Codó, Grajaú & Piauí Formations
Thickness	up to 2,000 m (6,600 ft) in São Luís Basin; 700 m (2,300 ft) in Parnaíba Basin
Lithology
Primary	Mudstone, sandstone
Other	Breccia, diamictite
Location
Coordinates	3°23′30″S 44°21′30″W / 3.39167°S 44.35833°W
Approximate paleocoordinates	8°36′S 15°54′W / 8.6°S 15.9°W
Region	Itapecuru Mirim; Maranhão
Country	Brazil
Extent	São Luís & Parnaíba Basins
Type section
Named for	Itapecuru Mirim
	Itapecuru Formation (Brazil)

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]

Vertebrate paleofauna[edit]

Theropod indet^[2]
Theropod tracks^[2]
Sauropod indet^[2]
Amazonsaurus maranhensis^[2]
Candidodon itapecuruense^[3]
Itapecuruemys amazoniensis^[4]

References[edit]

^ 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.
^ ^a ^b ^c ^d ^e 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.
^ Candidodon itapecuruense type locality at Fossilworks.org
^ 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

[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.

[cretaceousdistribution-2] 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] Candidodon itapecuruense type locality at Fossilworks.org

[4] 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

[1]

[2]

[3]

[4]

Vertebrate paleofauna[edit]

See also[edit]

References[edit]