Coordinates: 3°23′30″S 44°21′30″W / 3.39167°S 44.35833°W / -3.39167; -44.35833

Itapecuru Formation

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Itapecuru Formation
Stratigraphic range: Aptian-Cenomanian
~120–95 Ma
TypeGeological formation
UnderliesAlluvium and Corda Formation
OverliesCodó, Grajaú and Piauí Formations
Thicknessup to 2,000 m (6,600 ft) in São Luís Basin
700 m (2,300 ft) in Parnaíba Basin
Lithology
PrimaryMudstone, sandstone
OtherBreccia, diamictite
Location
CoordinatesLua error in Module:Coordinates at line 489: attempt to index field 'wikibase' (a nil value).
Approximate paleocoordinatesLua error: callParserFunction: function "#coordinates" was not found.
RegionItapecuru Mirim
Maranhão
CountryBrazil
ExtentSão Luís and Parnaíba Basins
Type section
Named forItapecuru Mirim

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

[edit | edit source]
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

[edit | edit source]

Sauropods

[edit | edit source]
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

[edit | edit source]
Theropods of the Itapecuru Formation
Genus Species Location Stratigraphic position Material Notes Images
Abelisauridae Indet.[2] Indeterminate
Carcharodontosauridae Indet.[4] Indeterminate Tooth
Oxalaia[2] O. quilombensis A spinosaurid theropod
Theropoda indet.[2] Indeterminate

Crocodylomorphs

[edit | edit source]
Crocodylomorphs of the Itapecuru Formation
Genus Species Location Stratigraphic position Material Notes Images
Candidodon[5] C. itapecuruense A candidodontid notosuchian

Turtles

[edit | edit source]
Turtles of the Itapecuru Formation
Genus Species Location Stratigraphic position Material Notes Images
Araripemys A. barretoi A araripemydid side-necked turtle
Itapecuruemys[6] I. amazoniensis A bothremydid side-necked turtle

Fish

[edit | edit source]
Fishes of the Itapecuru Formation
Genus Species Location Stratigraphic position Material Notes Images
Arganodus A. tiguidiensis A arganodontid lungfish
Ceratodus C. africanus A ceradodontid lungfish
Mawsonia M. gigas A mawsoniid coelacanth

See also

[edit | edit source]

References

[edit | edit source]
  1. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  2. ^ 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. Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value)..
  3. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  4. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ Candidodon itapecuruense type locality at Fossilworks.org
  6. ^ 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
Retrieved from "http://70.231.62.181/index.php?title=Itapecuru_Formation&oldid=11440953"