Please add to it, or discuss it at the Etymology scriptorium. Eureptilia (true reptiles) is one of the two major clades of the Sauropsida, the other being Parareptilia. Eureptilia: Kladus: Romeriida Gauthier et al., 1988: Podgrupe †Hylonomus †Paleothyris †Protorothyrididae; Diapsida †Araeoscelidia; Neodiapsida. Eureptilia includes not only all Diapsids, but also a number of primitive Permo-Carboniferous forms previously classified under the Anapsida, in the old (no longer recognised) order "Cotylosauria". This page was last edited on 24 November 2019, at 22:40. So defined, Reptilia is identical to Sauropsida. (1876): Lectures on Evolution. It is morphologically intermediate between the definite stem-turtle Odontochelys from the Late Triassic of China and Eunotosaurus, a reptile from the Middle Permian of South Africa.
Die Eureptilien (Eureptilia) sind ein umfangreiches Taxon der „höheren“ Landwirbeltiere (), das den überwiegenden Teil der ausgestorbenen sowie alle rezenten Reptilien einschließlich der Vögel (Aves) in sich vereint. Tangasaurus is an extinct genus of aquatic basal tangasaurid neodiapsid known from the Late Permian period of Tanga, northeastern Tanzania. He distinguished them from mammals and their extinct relatives, which he included in the sister group Theropsida (now usually replaced with the name Synapsida). , By the early 20th century, the fossils of Permian synapsids from South Africa had become well known, allowing palaeontologists to trace synapsid evolution in much greater detail. Benton, M. J., Donoghue, P. C., Asher, R. J., Friedman, M., Near, T. J., & Vinther, J. This classification supplemented, but was never as popular as, the classification of the reptiles (according to Romer's classic Vertebrate Paleontology) into four subclasses according to the positioning of temporal fenestrae, openings in the sides of the skull behind the eyes. Thuringothyris is an extinct genus of Early Permian eureptiles known from the Thuringian Forest in central Germany. Primitive were all small, superficially lizard-like forms, that probably scurried through the Paleozoic undergrowth in search of insects. Sixty-six million years ago, the large-bodied sauropsids died out in the global extinction event at the end of the Mesozoic era. Eosuchia, having become a wastebasket taxon for many probably distantly-related primitive diapsid reptiles ranging from the Late Carboniferous to the Eocene, Romer proposed that it be replaced by Younginiformes. Goodrich supported this division by the nature of the hearts and blood vessels in each group, and other features such as the structure of the forebrain. Reeth around rim of mouth. In humans these sensory structures are part of the facial skeleton. The skull is a bony structure that forms the head in vertebrates. Reclassifying reptiles has been among the key aims of phylogenetic nomenclature. This means that it was at the base of Diapsida, the largest and most successful radiation of reptiles that would eventually include all modern reptile groups, as well as dinosaurs and other famous extinct reptiles such as plesiosaurs, ichthyosaurs, and pterosaurs. Pearse, A.S. (ed, 1947): Zoological Names: a List of Phyla, Classes, and Orders. They are closely related to other generally lizard-like Permian reptiles such as the Millerettidae, Bolosauridae, Acleistorhinidae, and Lanthanosuchidae, all of which are included under the Anapsida or "Parareptiles". , Rhynchocephalia (tuatara and their extinct relatives), Archosauriformes (crocodiles, birds, and their extinct relatives), Huxley, T.H. Es kommt vor allem in der paläontologischen Systematik zum Einsatz. A cladogram is a diagram used in cladistics to show relations among organisms. It is the last period of the Paleozoic era; the following Triassic period belongs to the Mesozoic era. Eureptilia is characterized by the skull having greatly reduced supraoccipital, tabular, and supratemporal bones that are no longer in contact with the postorbital. Eyes could live in water Active predacious lifestyle Are mollusks, fish turtle, hatchlings Live birth. The term originated in 1864 with Thomas Henry Huxley, who grouped birds with reptiles based on fossil evidence. Gauthier, .A., Kluge, A.G & Rowe, T. (1988). , In 1956, D.M.S. ", Muller, J. and Reisz, R.R. Sauropsida ("lizard faces") is a taxonomic clade that consists of reptiles (including birds) and the extinct Parareptilia.The term originated in 1864 with Thomas Henry Huxley, who grouped birds with reptiles based on fossil evidence. It is named after Alfred Romer, a prominent vertebrate paleontologist of the twentieth century. Kenyasaurus is an extinct genus of basal neodiapsid, possibly tangasaurid, known from the Early Triassic period of Coast Province, southeastern Kenya. However, just how terrestrial mesosaur ancestors had become remains uncertain; recent research cannot establish with confidence if the first amniotes were fully terrestrial, or only amphibious. Hallucicrania is an extinct clade of procolophonomorph parareptiles from the early Cisuralian epoch to the latest Triassic period of Africa, Antarctica, Asia, Australia, Europe, North America and South America. According to Goodrich, both lineages evolved from an earlier stem group, the Protosauria ("first lizards"), which included some Paleozoic amphibians as well as early reptiles predating the sauropsid/synapsid split (and thus not true sauropsids). It is however doubtful that all anapsids lack temporal fenestra as a primitive trait, and that all the groups traditionally seen as anapsids truly lacked fenestra. The discovery of Pappochelys provides strong support for the placement of turtles within Diapsida, a hypothesis that has long been suggested by molecular data, but never previously by the fossil record.  The cladogram here was modified after Muller and Reisz (2006): . ". An anapsid is an amniote whose skull does not have openings (fenestra) near the temples. In the human, these two parts are the neurocranium and the viscerocranium or facial skeleton that includes the mandible as its largest bone. In the Mesozoic Era (from about 250 million years ago to about 66 million years ago), sauropsids were the largest animals on land, in the water, and in the air. This hypothetical ancestor might then provide clues about the order of evolution of various features, adaptation, and other evolutionary narratives about ancestors. A clade, also known as monophyletic group, is a group of organisms that consists of a common ancestor and all its lineal descendants, and represents a single "branch" on the "tree of life". The cladogram presented here illustrates the "family tree" of sauropsids, and follows a simplified version of the relationships found by M.S. Watson observed that sauropsids and synapsids diverged very early in the reptilian evolutionary history, and so he divided Goodrich's Protosauria between the two groups. These branching off points represent a hypothetical ancestor which can be inferred to exhibit the traits shared among the terminal taxa above it.
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