1.

Record Nr.

UNINA9910585954003321

Autore

Drumheller Stephanie K.

Titolo

Expanded sampling across ontogeny in Deltasuchus motherali (Neosuchia, Crocodyliformes) : revealing ecomorphological niche partitioning and appalachian endemism in cenomanian crocodyliforms / / Stephanie K. Drumheller [and three others] [[electronic resource]]

Pubbl/distr/stampa

Cambridge University Press, 2021

Cambridge : , : Cambridge University Press, , 2021

ISBN

1-009-04195-9

1-009-04104-5

1-009-04202-5

Descrizione fisica

1 online resource (67 pages) : digital, PDF file(s)

Collana

Cambridge elements. Elements of paleontology, , 2517-780X

Disciplina

567.98

Soggetti

Crocodilians, Fossil

Paleontology - Cretaceous

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Title from publisher's bibliographic system (viewed on 03 May 2021).

Sommario/riassunto

New material attributable to Deltasuchus motherali, a neosuchian from the Cenomanian of Texas, provides sampling across much of the ontogeny of this species. Detailed descriptions provide information about the paleobiology of this species, particularly with regards to how growth and development affected diet. Overall snout shape became progressively wider and more robust with age, suggesting that dietary shifts from juvenile to adult were not only a matter of size change, but of functional performance as well. These newly described elements provide additional characters upon which to base more robust phylogenetic analyses. The authors provide a revised diagnosis of this species, describing the new material and discussing incidents of apparent ontogenetic variation across the sampled population. The results of the ensuing phylogenetic analyses both situate Deltasuchus within an endemic clade of Appalachian crocodyliforms, separate and diagnosable from goniopholidids and pholidosaurs, herein referred to as Paluxysuchidae. This title is also available as Open Access on



Cambridge Core.