Marília Formation

Marília Formation
Stratigraphic range: Late Cretaceous
Type Geological formation
Unit of Bauru Group
Location
Region Goiás,
Minas Gerais,
São Paulo state
Country Brazil

The Marília Formation is a geological formation in Goiás, Minas Gerais, and São Paulo states of southeastern Brazil. Its strata date back to the Late Cretaceous, and are part of the Bauru Group.

Dinosaur remains are among the fossils that have been recovered from the formation.[1]

Vertebrate paleofauna

Crurotarsans

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.
Crocodylomorphs of the Marilia Formation
Genus Species Location Stratigraphic position Material Notes Images

Itasuchus[2]

I. jesuinoi

Area 2

Basal notosuchian
Itasuchus jesuinoi
Uberabasuchus terrificus

Labidiosuchus[3]

L. amicum

Serra do Veadinho, Area 2

A notosuchian with bizarre dentition.

Peirosaurus[2]

P. torminni

Area 2

A peirosaurid.

Uberabasuchus[2]

U. terrificus

Serra do Veadinho, Area 2

A peirosaurid

Ornithodirans

Three distinct titanosaurids denoted as forms A, B, and C have been found in Area 4.[2] Titanosaurine remains are known from Areas 1 and 2.[2] Indeterminate theropod remains known from Area 1.[2] Indeterminate maniraptor remains known from Area 1.[2] Indeterminate abelisaurid remains are known from Areas 1 and 2.[2] Indeterminate Carcharodontosaurid remains are known from Area 1.[2]

Dinosaurs of the Marilia Formation
Genus Species Location Stratigraphic position Material Notes

Aeolosaurus[2]

Indeterminate[2]

A titanosaurian

Baurutitan[2]

B. britoi

Area 1

A titanosaurian

Titanosaurus[2]

Indeterminate[2]

Area 1

A titanosaurian

Trigonosaurus[2]

T. pricei

Area 1

A titanosaurian

Uberabatitan[4]

U. ribeiroi

A titanosaurian

See also

References

  1. ↑ 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.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Candeiro, C. R. A. (2009). "Vertebrates of the Marília Formation (late Maastrichtian) from the Peirópolis paleontological site: Toward a better understanding" (PDF). Earth Sciences Research Journal. 13 (1): 6–15.
  3. ↑ Alexander W. A. Kellner; Rodrigo G. Figueiredo; Sergio A. K. Azevedo; Diogenes A. Campos (2011). "A new cretaceous notosuchian (Mesoeucrocodylia) with bizarre dentition from Brazil". Zoological Journal of the Linnean Society. 163 (s1): S109–S115. doi:10.1111/j.1096-3642.2011.00711.x.
  4. ↑ Salgado, Leonardo; Carvalho, Ismar de Souza (2008). "Uberabatitan ribeiroi, a new titanosaur from the Marília Formation (Bauru Group, Upper Cretaceous), Minas Gerais, Brazil". Palaeontology. 51 (4): 881–901. doi:10.1111/j.1475-4983.2008.00781.x.


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