Redescription of the cranial morphology of Mariliasuchus amarali, and its phylogenetic affinities (Crocodyliformes, Notosuchia)

Title Variants

Alternative: Cranial morphology of Mariliasuchus amarali

Related Titles

Series: American Museum novitates, no. 3512

By

Zaher, Hussam
Pol, Diego, 1974-
Carvalho, Alberto B.
Riccomini, Claudio
Campos, Diógenes de Almeida, 1943-
Nava, William

Type

Book

Material

Published material

Publication info

New York, NY American Museum of Natural History c2006

Notes

Title from caption.

"May 17, 2006."

"The cranial morphology of Mariliasuchus amarali, a poorly known notosuchian from the late Cretaceous of southeastern Brazil, is redescribed based on new material. Its phylogenetic affinities within Crocodylomorpha are evaluated through a parsimony analysis involving 46 taxa and 198 characters. Mariliasuchus is nested well inside the clade Notosuchia, as the sister group of Comahuesuchus, a derived notosuchian from the late Cretaceous of Argentina. Both taxa share the following unambiguous synapomorphies: ventral half of the lacrimal tapering posteroventrally, not contacting or only slightly contacting the jugal; presence of a large foramen on the lateral surface of the anterior part of the jugal; presence of procumbent premaxillary and anterior dentary alveoli; and ectopterygoids that do not participate of the palatine bar. The presence of procumbent premaxillary teeth, specialized tooth crown morphology, and fore-aft jaw movements suggests that this group presented complex jaw movements related to specialized feeding habits"--P. [1].

Subjects

Anatomy , Brazil , Cretaceous , Crocodilians , Crocodilians, Fossil , Mariliasuchus amarali , Paleontology , Phylogeny , Reptiles, Fossil , São Paulo (State) , Skull

Call Number

QL1 .A436 no.3512, 2006

Language

English

Identifiers

DOI: https://doi.org/10.1206/0003-0082(2006)3512[1:ROTCMO]2.0.CO;2
OCLC: 68966175