Information om | Engelska ordet ARCHOSAURIFORM

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• Crurotarsi is a clade of archosauriform reptiles that includes crocodilians and stem-crocodilians and possibly bird-line archosaurs too if the extinct, crocodile-like phytosaurs are more distantly related to crocodiles than traditionally thought.
• Phytosaurs (Φυτόσαυροι in Greek, meaning 'plant lizard') are an extinct group of large, mostly semiaquatic Late Triassic archosauriform reptiles.
• Initially described as a basal ornithischian dinosaur, subsequently reclassified as a member of the clade Archosauriformes of uncertain phylogenetic placement and later, taking into account the similarity of its teeth to the teeth of traversodontid cynodonts such as Dadadon (shared presence of teeth with sub-triangular crowns, enlarged denticles, and thecodont tooth implantation), as an amniote of uncertain affinities (though based on dissimilarities in gross morphology and geographic separation it is still more likely that the taxon is indeed an archosauriform rather than a traversodontid).
• Erythrosuchidae (meaning "red crocodiles" in Greek) are a family of large basal archosauriform carnivores that lived from the later Early Triassic (Olenekian) to the early Middle Triassic (Anisian).
• Garjainia is an extinct genus of erythrosuchid archosauriform reptile from the Olenekian of Russia and South Africa.
• A group of archosauriform diapsids, Crurotarsi (including living crocodilians and their extinct relatives) is named after specialized crurotarsal joint in the skeletons of the members of this group, located between their fibula and calcaneum, with a hemicylindrical condyle on the calcaneum articulating against fibula.
• Because doswelliids are more closely related to proterochampsids than to any other archosauriform, the two groups form their own clade.
• Proterochampsa is an extinct genus of proterochampsid archosauriform from the Late Triassic (Carnian-Norian boundary) of South America.
• Turfanosuchus is a genus of archosauriform reptile, likely a gracilisuchid archosaur, which lived during the Middle Triassic (Anisian) of northwestern China.
• Yarasuchus has had a complicated taxonomic history, after originally being described as a "prestosuchid rauisuchian", it was later variously recovered as a poposauroid pseudosuchian and a non-archosaurian archosauriform of unstable position.
• Chalishevia is an extinct genus of erythrosuchid archosauriform from the Ladinian Bukobay Formation of Russia (Orenburg Oblast).
• However, other features clearly support its archosauriform identity, including a lack of intercentra, the presence of osteoderms, an ossified laterosphenoid, and several adaptations of the femur and ankle bones.
• Nesbitt (2009) suggested that elongated cervical vertebrae were present in numerous archosauriform clades, and that the length of the cervical vertebrae depended on the position in the presacral column, as seen in the poposauroid Arizonasaurus and the non-archosaurian archosauriform Guchengosuchus.
• Collilongus (meaning "long neck") is an extinct genus of small archosauriform, possibly a rauisuchian, known from Early Triassic (Olenekian age) rocks of Czatkowice 1, Poland.
• thumbTrotteyn and Haro (2012) conducted a phylogenetic analysis of proterochampsians and other basal archosauriforms using only braincase characters, and found Doswellia, an unusual long-necked, heavily armored archosauriform from Virginia, to nest within Proterochampsia.
• The specific name named after the particular ornamentation of the dorsal surface of the skull, which resembles the non-related, basal archosauriform Proterochampsa.
• Farm Lemoenfontein 44 also yielded remains of the archosauriform Erythrosuchus africanus, the bauriid Microgomphodon oligocynus, the cynodont Trirachodon, the kannemeyeriid Kannemeyeria as well as unidentified procolophonid remains.
• Pseudochampsa is an extinct genus of proterochampsid archosauriform known from the Late Triassic (Carnian) Cancha de Bochas Member of the Ischigualasto Formation of San Juan Province, Ischigualasto-Villa Unión Basin in northwestern Argentina.
• The parietal bones surround a small pineal foramen ("third eye"), a feature absent in most archosauriforms but sometimes found in the proterosuchid archosauriform Proterosuchus.
• These include positions as a basal rhynchosaur, a basal archosauriform, or an independent branch close to allokotosaurs and archosauriforms.

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