Tuesday, 3 December 2013

Armadillosuchus arrudai

This bizarre crocodylomorph from the Late Cretaceous of Brazil was protected by a heavy body armor akin to the armadillo and showed adaptation for a fossorial life. It belongs to the the family Sphagesauridae, a group of highly specialized crocodile relatives from the Late cretaceous of Brazil.

Armadillosuchus arrudai
Marinho & Carvalho, 2009
Meaning of generic name
"Armadillo crocodile".
Meaning of specific name
In honor of João Tadeu Arruda.

[Simplest latinisation of Arruda is - Arruda. Its genetive is not Arrudai (except very early on, before Classic Latin) but Arrudae]
Skull length: , Length: [neither given]
Holotype (UFRJ DG 303-R): Nearly complete skull and postcranial elements (vertebrae, ribs, partial forelimb, osteoderms)

Referred materials: MPMA-64-0001-04 (partial skull).
Age and Distribution
Horizon: Adamantina Formation, Bauru Basin. Late Cretaceous (Turonian-Santonian).

Locality: General Salgado County, São Paulo State, Brazil.
Archosauromorpha Crurotarsi Paracrocodylomorpha Notosuchia Sphagesauridae
Further Reading
T. S. Marinho and I. d. S. Carvalho. 2009. An armadillo-like sphagesaurid crocodyliform from the Late Cretaceous of Brazil. Journal of South American Earth Sciences 27(1):36-4.
Image by Nobu Tamura (click to enlarge)
Armadillosuchus arrudai:

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