|
Chroniosuchidae
The Chroniosuchidae are a family of semi-aquatic reptiliomorph amphibians found in sediments from the upper Permian and the upper Triassic periods, most in Russia. They were generally rather large animals, with long jaws similar to those found in modern crocodiles, and probably lived a similar life style as riverside piscivores and ambush predators. Like all Chroniosuchians, they bore extensive osteoderm armour on their backs, possibly as protection against terrestrial predators such as the Permian therapsids and the Triassic Rauisuchians. Phylogeny Below is the cladogram from Buchwitz ''et al.'' (2012) showing the phylogenetic relations of chroniosuchids: See also * Permian tetrapods Permian tetrapods were amphibians and reptiles that lived during the Permian Period. During this time, amphibians remained common, including various Temnospondyli and Lepospondyli. Synapsids became the dominant type of animal, represented by the P ... References Permian animals Tri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chroniosuchia
Chroniosuchia is a group of tetrapods that lived from the Middle Permian to Late Triassic in what is now Eastern Europe, Kyrgyzstan, China and Germany. Chroniosuchians are often thought to be reptiliomorphs, but some recent phylogenetic analyses suggest instead that they are stem-tetrapods. They were all rather short limbed with a strong tail and elongated snout, somewhat resembling modern crocodiles. The group is traditionally considered to be a suborder or order of labyrinthodonts. Chroniosuchians likely had ecological niches as riverside predators, and may have been outcompeted by semiaquatic true reptiles such as phytosaurs in the late Triassic. Most forms bore a heavy armour of scutes along the back, possibly for protection against land born predators like therapsids, or to strengthen the axial skeleton for terrestrial locomotion. Indeed, femoral microanatomy of ''Chroniosaurus'' suggests that it was amphibious to terrestrial. Description The most distinguishing features o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chroniosuchus
''Chroniosuchus'' is an extinct genus of chroniosuchid reptiliomorph from upper Permian (upper Tatarian age) deposits of Arkhangelsk, Orenburg and Vologda Regions, Russia. It was first named by Vjuschkov in 1957 1957 ( MCMLVII) was a common year starting on Tuesday of the Gregorian calendar, the 1957th year of the Common Era (CE) and ''Anno Domini'' (AD) designations, the 957th year of the 2nd millennium, the 57th year of the 20th century, and the 8th y ... and the type species is ''Chroniosuchus paradoxus''. The genus ''Buzulukia'', named in 1957 on the basis of osteoderms, is considered a synonym of ''Chroniosuchus''. Chroniosuchus had a length of about 1.5 m (4.92 feet).http://tech.groups.yahoo.com/group/seymouria/message/4506 References Chroniosuchians Permian tetrapods Permian animals of Europe {{paleo-amphibian-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reptiliomorpha
Reptiliomorpha (meaning reptile-shaped; in PhyloCode known as ''Pan-Amniota'') is a clade containing the amniotes and those tetrapods that share a more recent common ancestor with amniotes than with living amphibians ( lissamphibians). It was defined by Michel Laurin (2001) and Vallin and Laurin (2004) as the largest clade that includes ''Homo sapiens'', but not ''Ascaphus truei'' (tailed frog). Laurin and Reisz (2020) defined Pan-Amniota as the largest total clade containing ''Homo sapiens'', but not ''Pipa pipa'', '' Caecilia tentaculata'', and '' Siren lacertina''. The informal variant of the name, "reptiliomorphs", is also occasionally used to refer to stem-amniotes, i.e. a grade of reptile-like tetrapods that are more closely related to amniotes than they are to lissamphibians, but are not amniotes themselves; the name is used in this meaning e.g. by Ruta, Coates and Quicke (2003). An alternative name, "Anthracosauria", is also commonly used for the group, but is confusing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chroniosaurus Dong12DB
''Chroniosaurus'' is an extinct genus of chroniosuchid reptiliomorph from upper Permian (upper Tatarian age) deposits of Novgorod, Orenburg and Vologda Regions, Russia. It was first named by Tverdokhlebova in 1972 Within the context of Coordinated Universal Time (UTC) it was the longest year ever, as two leap seconds were added during this 366-day year, an event which has not since been repeated. (If its start and end are defined using Solar time, me ... and the type species is ''Chroniosaurus dongusensis''. References Chroniosuchians Permian tetrapods Fossils of Russia {{paleo-amphibian-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chroniosaurus Levis
''Chroniosaurus'' is an extinct genus of chroniosuchid reptiliomorph from upper Permian (upper Tatarian age) deposits of Novgorod, Orenburg and Vologda Regions, Russia. It was first named by Tverdokhlebova in 1972 Within the context of Coordinated Universal Time (UTC) it was the longest year ever, as two leap seconds were added during this 366-day year, an event which has not since been repeated. (If its start and end are defined using Solar time, me ... and the type species is ''Chroniosaurus dongusensis''. References Chroniosuchians Permian tetrapods Fossils of Russia {{paleo-amphibian-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bystrowianidae
Bystrowianidae is a family of chroniosuchian reptiliomorphs from the Permian and Triassic periods. Phylogeny Below is the cladogram from Buchwitz ''et al.'' (2012) showing the phylogenetic In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ... relations of bystrowianids: References Chroniosuchians {{paleo-amphibian-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chroniosaurus Dongusensis
''Chroniosaurus'' is an extinct genus of chroniosuchid reptiliomorph from upper Permian (upper Tatarian age) deposits of Novgorod, Orenburg and Vologda Regions, Russia. It was first named by Tverdokhlebova in 1972 Within the context of Coordinated Universal Time (UTC) it was the longest year ever, as two leap seconds were added during this 366-day year, an event which has not since been repeated. (If its start and end are defined using Solar time, me ... and the type species is ''Chroniosaurus dongusensis''. References Chroniosuchians Permian tetrapods Fossils of Russia {{paleo-amphibian-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Permian Tetrapods
Permian tetrapods were amphibians and reptiles that lived during the Permian Period. During this time, amphibians remained common, including various Temnospondyli and Lepospondyli. Synapsids became the dominant type of animal, represented by the Pelycosaurs during the Early Permian and Therapsids during the Middle and Late Permian, and distinguished by the appearance and possession of mammal-like characteristics (hence the old term "mammal-like reptiles"). These were accompanied by Anapsids or Parareptiles, which included both lizard-like and large herbivorous forms, and primitive diapsids. Classification The following list of families of Permian tetrapods is based mostly on Benton ed. 1993. The classification followBenton 2004 Superclass Tetrapoda * Class Amphibia :::* Order Temnospondyli :::::* Family Edopidae :::::* Family Cochleosauridae :::::* Family Trimerorhachidae :::::* Family Dvinosauridae :::::* Family Saurerpetontidae :::::* Family Brachyopidae :::::* Fami ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Suchonica
''Suchonica'' is an extinct genus of chroniosuchid reptiliomorph from upper Permian (upper Tatarian age) deposits of Sukhona Formation of Vologda Region, Russia. It was first named by V. K. Golubev in 1999 File:1999 Events Collage.png, From left, clockwise: The funeral procession of King Hussein of Jordan in Amman; the 1999 İzmit earthquake kills over 17,000 people in Turkey; the Columbine High School massacre, one of the first major school shootin ..., from the anterior armor scute (PIN, no. 4611/1). The type species is ''Suchonica vladimiri''. References Permian animals Chroniosuchians Fossil taxa described in 1999 Fossils of Russia {{permian-animal-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Uralerpeton
''Uralerpeton'' is an extinct genus of chroniosuchid reptiliomorph from upper Permian (upper Tatarian age) deposits of Vladimir Region, European Russia. It was first named by V. K. Golubev in 1998, from skull fragments and trunk scutes. The type species is ''Uralerpeton tverdokhlebovae'', it was a large predator with a 50 – 55 cm skull The skull is a bone protective cavity for the brain. The skull is composed of four types of bone i.e., cranial bones, facial bones, ear ossicles and hyoid bone. However two parts are more prominent: the cranium and the mandible. In humans, the ... and a total length that probably exceeded 3 m (9.3 ft). References Chroniosuchians Permian tetrapods Prehistoric tetrapod genera Fossil taxa described in 1998 Fossils of Russia Fauna of Russia {{Paleo-amphibian-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phratochronis
''Phratochronis'' is an extinct genus of chroniosuchid reptiliomorph from upper Permian (upper Roadian age) mudstone deposits of Dashankou locality, Xidagou Formation of China. It was first named by Jin-Ling Li and Zheng-Wu Cheng in 1999, from a maxilla and premaxilla with almost complete dentition (IGCAGS V 364). The type species is ''Phratochronis qilianensis''. The generic name means “brothers of a clan” (' in Greek) + “late” (') in reference to its taxonomic position, and the specific name Specific name may refer to: * in Database management systems, a system-assigned name that is unique within a particular database In taxonomy, either of these two meanings, each with its own set of rules: * Specific name (botany), the two-part (bino ... referring to the chain of mountains where the type specimen was found. References Chroniosuchians Permian tetrapods Prehistoric tetrapod genera Fossil taxa described in 1999 Permian animals of Asia {{permian-ani ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Madygenerpeton
''Madygenerpeton'' is an extinct genus of chroniosuchid reptiliomorph from middle and upper Triassic deposits of Madygen Formation of Kyrgyzstan. It was first named by paleontologists Rainer R. Schoch, Sebastian Voigt and Michael Buchwitz in 2010 from a nearly complete skull and associated osteoderms. The type species is ''M. pustulatus''. Description ''Madygenerpeton'', like other chroniosuchids, has osteoderms, or bony plates, overlying its spine. These osteoderms interlock with each other and connect to their associated vertebrae on the spinal column. They are wide and have curved or peaked surfaces. On the upper surface of the front end and the lower surface of the back end of each osteoderm there are facets covered in concentric ridges and furrows. These facets allow the plates to interlock with each other. The relatively narrow width of the osteoderms in ''Madygenerpeton'' allow for more lateral flexion in the trunk of than other chroniosuchids, up to 7.5°. The skull ha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
