Titlebook: Early Evolutionary History of the Synapsida; Christian F. Kammerer,Kenneth D. Angielczyk,J?rg F Book 2014 Springer Science+Business Media

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New Information on the Basal Pelycosaurian-Grade Synapsid ,rstanding the phylogenetic relationships of basal synapsids specifically and basal amniote interrelationships more generally. This assessment has until now been based almost exclusively on the remains of a single skull from the Lower Permian Cutler Formation of north-central New Mexico. The identifi

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Was , (Synapsida, Eupelycosauria) a Swimmer? A Test Using Vertebral Dimensionsgy, phalangeal morphology, dentition, and taphonomy. However, many of these data are inconclusive or have been reinterpreted. Here we investigate whether the morphology of the axial skeleton in . displays specializations for aquatic locomotion. Qualitative and quantitative comparisons of . to extant

消音器

Postcranial Description and Reconstruction of the Varanodontine Varanopid , (Synapsida: Eupelycosaurtly fully adult specimen. Comparisons are made with other known varanopid taxa, reaffirming its position as a basal varanodontine. . was an obligatory sprawling-gaited animal with an extremely long tail and a presacral column that descended posteriorly at an angle of 25.. . shares many synapomorphie

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First European Record of a Varanodontine (Synapsida: Varanopidae): Member of a Unique Early Permian artial left dentary from the Lower Permian (Wolfcampian) Tambach Formation, the lowermost unit of the Upper Rotliegend, of the Bromacker locality in the midregion of the Thuringian Forest near Gotha, central Germany. .. can be distinguished from all other varanopids on the basis of unique features o

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厭倦嗎你

Permian and Triassic Dicynodont (Therapsida: Anomodontia) Faunas of the Luangwa Basin, Zambia: Taxon their biostratigraphic utility and their implications for topics such as dicynodont biogeography and the effects of the end-Permian extinction. Here we present a comprehensive taxonomic revision of the dicynodonts of the Luangwa Basin, taking into account specimens in all major museum collections a

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Theriodontia: Introductiona+Cynodontia) is well supported, but the association of Gorgonopsia with these groups requires further testing. Gorgonopsians in general require extensive revision, and no phylogeny of the clade currently exists. This section introduces two advances in gorgonopsian research: a redescription and revi