Evaluating the ecology of Spinosaurus: shoreline generalist or aquatic pursuit specialist?
- Environmental Science
The giant theropod Spinosaurus was an unusual animal and highly derived in many ways, and interpretations of its ecology remain controversial. Recent papers have added considerable knowledge of the…
Evolution and identity of synapsid carpal bones
- Biology, GeographyActa Palaeontologica Polonica
The observations provided here provide an updated revision of synapsid carpal homologies, mainly on the basis of position and anatomical contacts and also taking into account the results of embryological studies.
The carpus and tarsus of the early Permian synapsid Sphenacodon ferox (Eupelycosauria: Sphenacodontidae)
The carpus and tarsus of the sphenacodontid synapsid Sphenacodon ferox are described in detail for the first time on the basis of nearly complete, loosely articulated examples from an incomplete,…
The dorsal axial musculature of certain primitive permian tetrapods
The development of the dorsal axial musculature is traced from Eryops, through Diadectes, to Dimetrodon. lguana, a modern form, is used for comparison. The axial muscles of a primitive form, such as…