Amniota
National Institutes of Health
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Teeth and dentitions contain many morphological characters which give them a particularly important weight in comparative anatomy…
Therocephalians were a speciose clade of nonmammalian therapsids whose ecological diversity and survivorship of the end-Permian…
A historical overview and a synopsis of the current knowledge on the phylogeny, systematics, and phylogenetic position of the…
Abstract We present an anatomical redescription and reassessment of the phylogenetic relationships of Sclerosaurus armatus Meyer…
Several mutually exclusive hypotheses have been advanced to explain the phylogenetic position of turtles among amniotes…
The Late Permian pareiasaurs (Amniota, Parareptilia) from the Argana Basin, Morocco The pareiasaur material described herein is…
Abstract A new eureptile, Concordia cunninghami, gen. et sp. nov., is described from the Upper Pennsylvanian Hamilton…
The 18S ribosomal RNAs of 21 tetrapods were sequenced and aligned with five published tetrapod sequences. When the coelacanth was…
I. The vertebrate excretory system is a holonephros. The entire organ arises from the one source, namely, from the intermediate…