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REDESCRIPTION OF PLATYCRANIELLUS ELEGANS (THERAPSIDA, CYNODONTIA) FROM THE LOWER TRIASSIC OF SOUTH AFRICA, AND THE CLADISTIC RELATIONSHIPS OF EUTHERIODONTS
- F. Abdala
- Geography, Biology
- 1 May 2007
A cladistic analysis of 32 taxa (two gorgonopsians, seven therocephalians and 23 cynodonts) and 96 craniodental characters places P. elegans as sister taxon of Eucynodontia, and indicates paraphyly for Therocephalia, with the whaitsiid Theriognathus identified as sisterTaxon of CynodontIA.
Distribution and diversity patterns of Triassic cynodonts (Therapsida, Cynodontia) in Gondwana
A sauropodomorph dinosaur from the Upper Triassic (Carman) of southern Brazil
The complete anatomy and phylogenetic relationships of Antetonitrus ingenipes (Sauropodiformes, Dinosauria): implications for the origins of Sauropoda
A dissertation submitted to the Faculty of Science, University of the Witwatersrand, in partial fulfilment of the requirements for the degree of Master of Science. Johannesburg, 2013
A new species of the traversodontid cynodont Exaeretodon from the Santa Maria Formation (Middle/Late Triassic) of southern Brazil
The presence of prootic crests in the extensive lateral flange, anterior to the fenestra ovalis, is a noteworthy basicranial trait, unique to this new taxon among non-mammalian cynodonts.
Paleoenvironment and Taphonomy of the Chañares Formation Tetrapod Assemblage (Middle Triassic), Northwestern Argentina: Spectacular Preservation in Volcanogenic Concretions
- R. Rogers, A. Arcucci, F. Abdala, P. Sereno, Catherine A Forster, Cathleen L. May
- Geography, Environmental Science
- 1 October 2001
Abstract The enigmatic concretionary exposures that typify the Chañares Formation (Ladinian, northwestern Argentina) long have defied precise paleoenvironmental characterization. Recent work…
When and how did the terrestrial mid-Permian mass extinction occur? Evidence from the tetrapod record of the Karoo Basin, South Africa
- M. Day, J. Ramezani, B. Rubidge
- Environmental Science, GeographyProceedings of the Royal Society B: Biological…
- 22 July 2015
An extensive compilation of tetrapod-stratigraphic data analysed by the constrained optimization (CONOP) algorithm that reveals a significant extinction event among tetrapods within the lower Beaufort Group of the Karoo Basin, South Africa, in the latest Capitanian and supports the existence of a mid-Permian mass extinction event on land near the end of the Guadalupian.
The oldest cynodont: new clues on the origin and early diversification of the Cynodontia
One most parsimonious tree, from an analysis using implied weights, positions Charassognathus as the most basal cynodont, which implies that the Cynodontia initially diversified in Permian Gondwana, in what is now southern Africa.
POSTWEANING ONTOGENY OF THE SKULL OF DIDELPHIS ALBIVENTRIS
Most of the postweaning developments of the skull of Didelphis albiventris is interpreted as a function of the shift from milk suckling to active mastication.
Chiniquodontid cynodonts: systematic and morphometric considerations
Allometric analysis of chiniquodontids sensu stricto reveals that all specimens can be confidently arranged in a single growth series, irrespective of their original species assignments; and most of the measurements change isometrically with respect to skull length.