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Georgenthalia clavinasica, A New Genus and Species of Dissorophoid Temnospondyl from the Early Permian of Germany, and the Relationships of the Family Amphibamidae
Abstract Georgenthalia clavinasica, a new genus and species of amphibamid dissorophoid temnospondyl, is represented by a small, complete, postmetamorphic skull from the Lower Permian BromackerExpand
A late-surviving basal theropod dinosaur from the latest Triassic of North America
The oldest theropod dinosaurs are known from the Carnian of Argentina and Brazil. However, the evolutionary diversification of this group after its initial radiation but prior to theExpand
The anatomy and relationships of the Lower Permian reptile Araeoscelis
ABSTRACT Two recently discovered skeletons of the enigmatic Lower Permian reptile Araeoscelis provide important, additional information on its osteology and permit a reassessment of its phylogeneticExpand
REDESCRIPTION OF SEYMOURIA SANJUANENSIS (SEYMOURIAMORPHA) FROM THE LOWER PERMIAN OF GERMANY BASED ON COMPLETE, MATURE SPECIMENS WITH A DISCUSSION OF PALEOECOLOGY OF THE BROMACKER LOCALITY ASSEMBLAGE
Abstract Two nearly complete, articulated, mature specimens of the amphibian Seymouria are described from the Lower Permian Tambach Formation, lowermost unit of the Upper Rotliegend, of the BromackerExpand
The cranial anatomy and relationships of Secodontosaurus, an unusual mammal-like reptile (Synapsida: Sphenacodontidae) from the early Permian of Texas
The cranial anatomy of the Early Permian sphenacodontid synapsid Secodontosaurus is redescribed. There is no evidence for recognition of more than one species of Secodontosaurus, and S. willistoni isExpand
A NEW SPECIMEN OF HESPEROSUCHUS AGILIS FROM THE UPPER TRIASSIC OF NEW MEXICO AND THE INTERRELATIONSHIPS OF BASAL CROCODYLOMORPH ARCHOSAURS
Abstract An articulated partial skeleton, including a nearly complete skull and left forelimb, of a crocodylomorph reptile from the Upper Triassic Chinle Formation of Ghost Ranch, New Mexico, isExpand
Spathorhynchus fossorium, a Middle Eocene Amphisbaenian (Reptilia) from Wyoming
DENTON, G. H., AND R. L. ARMSTRONG. 1969. Miocene-Pliocene glaciations in southern Alaska. Amer. J. Sci. 267:1121-1142. ESTES, R. 1963a. Early Miocene salamanders and lizards from Florida. Quart. J.Expand
Early Permian bipedal reptile.
A 290-million-year-old reptilian skeleton from the Lower Permian (Asselian) of Germany provides evidence of abilities for cursorial bipedal locomotion, employing a parasagittal digitigrade posture.Expand
ORIGIN AND EARLY EVOLUTION OF THE AMNIOTE OCCIPUT
Abstract Reinterpretation of cranial materials of the diadectomorphs Limnoscelis and Diadectes has prompted a reconsideration of the origin and early evolution of the amniote occiput. The basicExpand
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