Redescription of the Cranial Morphology of Mariliasuchus Amarali, and Its Phylogenetic Affinities (crocodyliformes, Notosuchia)

By H. Zaher, D. Pol, A. Carvalho, C. Riccomini, D. Campos, W. Nava. 2006

106 citations recorded by the source corpus.

Abstract 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.

Subfields: Nature and Landscape Conservation, Paleontology

View Paper: https://www.semanticscholar.org/paper/18a990359265bd3e878e14df50b47e02dedcbb3f

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In Nature and Landscape Conservation

1. A. Turner
2. J. Sertich
3. D. Pol
4. M. Norell
5. H. Zaher
6. D. Krause
7. Paulo M. Nascimento
8. J. Ali

In Paleontology

1. J. Sertich
2. A. Turner
3. D. Pol
4. M. Norell
5. D. Krause
6. J. Ali
7. H. Zaher
8. Paulo M. Nascimento

Citations in the corpus

• Late Cretaceous bioconnections between Indo‐Madagascar and Antarctica: refutation of the Gunnerus Ridge causeway hypothesis (2011, background): “…habits than their neosuchian relatives (e.g. Gasparini et al., 1993; Buckley et al., 2000; Carvalho et al., 2005; Pol, 2005; Nobre & Carvalho, 2006; Zaher et al., 2006; Sertich & Groenke, 2010); the crania of most taxa do not exhibit adaptations for aquatic life and their postcrania indicate…”
• Phylogenetic History of Simosuchus clarki (Crocodyliformes: Notosuchia) from the Late Cretaceous of Madagascar (2010, methodology): “Character 233 (Zaher et al., 2006: char.”
• A new species of Baurusuchus (Crocodyliformes, Mesoeucrocodylia) from the Upper Cretaceous of Brazil, with the first complete postcranial skeleton described for the family Baurusuchidae (2010, background): “In recent phylogenies, the family Baurusuchidae has been consistently found to be nested within No‐ tosuchia (Ortega et al., 2000; Sereno et al., 2003; Pol, 2003; Pol & Norell, 2004; Pol & Apesteguia, 2005; Gasparini et al., 2005; Zaher et al., 2006; Andrade & Bertini, 2008), a clade originally erec”
• Morphology of the Late Cretaceous Crocodylomorph Shamosuchus djadochtaensis and a Discussion of Neosuchian Phylogeny as Related to the Origin of Eusuchia (2009, background): “Character 233 (Zaher et al., 2006: char.”
• An armadillo-like sphagesaurid crocodyliform from the Late Cretaceous of Brazil (2009, background): “The bizarre Chinese crocodyliform Chimaerasuchus paradoxus is often positioned as sister group of Sphagesaurus huenei (Pol, 2003; Zaher et al., 2006), and therefore the closest relative of the Sphagesauridae or a basal taxon of the family.”