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Odontobatrachus
''Odontobatrachus'' is a genus of frogs comprising the family Odontobatrachidae. In a 2014 research project Barej, Rödel, Loader & Schmitz separated the genus from the established genus '' Petropedetes'' and separated the new family from the established family Petropedetidae. Taxonomy and affinities The species had originally been assigned to the genus '' Petropedetes'' in the Petropedetidae, a family of so-called torrent frogs of Africa, so the type species is ''Petropedetes natator'' Boulenger, 1905. However, recent morphological and genomic investigation showed the species not only to be cladistically alien to the Petropedetidae, but to all other existing anuran families as well. Furthermore, the family Odontobatrachidae turned out to be fairly ancient, estimated to have originated in the mid-Cretaceous period, some 80 Ma – 90 Ma ago. Consequently, a new family and genus were assigned, respectively Odontobatrachidae and ''Odontobatrachus''. The details of the evolutiona ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Odontobatrachus Natator
''Odontobatrachus natator'', also known as the saber-toothed frog, Sierra Leone water frog, common toothed frog, or simply swimmer, is a species of frog in the family Odontobatrachidae. It is endemic to West Africa and occurs in Guinea, Liberia, and Sierra Leone. Earlier records from Ivory Coast refer to ''Odontobatrachus arndti''. ''Odontobatrachus natator'' occurs in forested, hilly areas in or near water, breeding in fast-flowing streams. The eggs are laid on land. The tadpole adhere themselves to rocks in waterfalls and rapids by means of suckers. It is patchily distributed but can locally be very abundant. It is probably threatened by the loss of forest habitat caused by agricultural development, logging, and expanding human settlements, and locally also by mining activities. It is present in a few protected areas. References amphibians described in 1905 amphibians of West Africa fauna of Guinea fauna of Liberia fauna of Sierra Leone natator The Australian fla ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Torrent Frog
Torrent frogs are a number of unrelated frogs that prefer to inhabit small rapid-flowing mountain or hill streams with a lot of torrents. They are generally smallish neobatrachians with a greyish-brown and usually darkly mottled back, giving them excellent camouflage among wet rocks overgrown with algae; their well-developed feet make them agile climbers of slippery rocks. Torrent frogs belong to the following taxa: * The "torrent frogs" of Asia are certain species in various ranoid genera: '' Amolops'', ''Huia'', ''Odorrana'' (all Ranidae), '' Micrixalus'', ( Micrixalidae) and ''Nanorana'' (Dicroglossidae). * The "torrent frogs" of Africa are the genera '' Arthroleptides'', '' Petropedetes'' (both family Petropedetidae) and '' Odontobatrachus'' ( Odontobatrachidae), which are found in eastern Africa, central Africa and western Africa, respectively. * The "torrent frogs" of Australia are the genus ''Taudactylus'' of the Australian ground frog family (Myobatrachidae). * The torre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Petropedetes
''Petropedetes'' is a genus of frogs in the family Petropedetidae, found in sub-saharan tropical Africa. In 2002, the genus absorbed all three species of the genus '' Arthroleptides'', but they were moved back in 2014. The informally assigned common name for frogs in this genus (and for frogs in certain other genera) is torrent frogs. The following species are recognised in the genus ''Petropedetes'': * '' Petropedetes cameronensis'' (Reichenow, 1874) * '' Petropedetes euskircheni'' (Barej et al., 2010) * '' Petropedetes johnstoni'' (Boulenger, 1888) * '' Petropedetes juliawurstnerae'' (Barej et al., 2010) * '' Petropedetes newtonii'' (Bocage, 1895) – Barej et al. (2010) considers ''P. darwinii'' occurring in Bioko Island (Equatorial Guinea) a synonym of ''P. johnstoni''. * '' Petropedetes palmipes'' Boulenger, 1905 * '' Petropedetes parkeri'' (Amiet, 1983) * '' Petropedetes perreti'' (Amiet, 1973) * '' Petropedetes vulpiae'' (Barej et al., 2010) Description The genus ''Petr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anatomical Terms Of Location
Standard anatomical terms of location are used to describe unambiguously the anatomy of humans and other animals. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position provides a definition of what is at the front ("anterior"), behind ("posterior") and so on. As part of defining and describing terms, the body is described through the use of anatomical planes and axes. The meaning of terms that are used can change depending on whether a vertebrate is a biped or a quadruped, due to the difference in the neuraxis, or if an invertebrate is a non-bilaterian. A non-bilaterian has no anterior or posterior surface for example but can still have a descriptor used such as proximal or distal in relation to a body part that is nearest to, or furthest from its middle. International organisations have determined vocabularies that are often used as standards for subdisciplines of anatomy. For example, '' Termi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Taxa Named By Michael F
In biology, a taxon (back-formation from ''taxonomy''; : taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular name and given a particular ranking, especially if and when it is accepted or becomes established. It is very common, however, for taxonomists to remain at odds over what belongs to a taxon and the criteria used for inclusion, especially in the context of rank-based (" Linnaean") nomenclature (much less so under phylogenetic nomenclature). If a taxon is given a formal scientific name, its use is then governed by one of the nomenclature codes specifying which scientific name is correct for a particular grouping. Initial attempts at classifying and ordering organisms (plants and animals) were presumably set forth in prehistoric times by hunter-gatherers, as suggested by the fairly sophisticated folk taxonomies. Much later, Aristotle, and later still ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibians Of West Africa
Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods, but excluding the amniotes (tetrapods with an amniotic membrane, such as modern reptiles, birds and mammals). All extant (living) amphibians belong to the monophyletic subclass Lissamphibia, with three living orders: Anura (frogs and toads), Urodela (salamanders), and Gymnophiona (caecilians). Evolved to be mostly semiaquatic, amphibians have adapted to inhabit a wide variety of habitats, with most species living in freshwater, wetland or terrestrial ecosystems (such as riparian woodland, fossorial and even arboreal habitats). Their life cycle typically starts out as aquatic larvae with gills known as tadpoles, but some species have developed behavioural adaptations to bypass this. Young amphibians generally undergo metamorphosis from an aquatic larval form with gills to an air-breathing a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
