Tuesday, 3 December 2013

Oxalaia quilombensis

Oxalaia is the first formally described dinosaur species from the Cenomanian of Brazil.

Oxalaia quilombensis
Kellner, Azevedeo, Machado, Carvalho and Henriques , 2011
Meaning of generic name
The generic name comes from Oxalá, the most respected masculine deity in the African pantheon, introduced in Brazil during slavery.

[Sounds idolatrous to me ...]
Meaning of specific name
From the Portuguese expression quilombo, the place where the quilombola (the descendants of former Brazilian slaves) live. The Cajual Island, where the specimens of this new taxon were collected, is one of these places.
Body length: 46 ft (14 m) ?
Holotype: MN 6117-V - a fused premaxillae.

Referred material MN 6119-V, an incomplete left maxilla. The specimen is held in the Museu Nacional/Universidade Federal do Rio de Janeiro, Brazil.
Age and Distribution
Horizon: Alcantara Formation, Itapecuru, Group of the Sao Luís Basin, Cenomanian (early Late Cretaceous Period)

Locality: Laje do Coringa at the Cajual Island, Maranhao State (Corrêa-Martins1997), Northeast Brazil. Bone Bed.
Dinosauria Saurischia Theropoda Spinosauroidea Spinosauridae
Further Reading
Kellner, Alexander W.A.; Sergio A.K. Azevedeo, Elaine B. Machado, Luciana B. Carvalho and Deise D.R. Henriques (2011). "A new dinosaur (Theropoda, Spinosauridae) from the Cretaceous (Cenomanian) Alcântara Formation, Cajual Island, Brazil". Anais da Academia Brasileira de Ciências 83 (1): 99–108. Original description.
Image by Nobu Tamura (click to enlarge)
Oxalaia quilombensis:

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