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Nimbaphrynoides Occidentalis
''Nimbaphrynoides'' is a monotypic genus of true toads from highlands in the Mount Nimba region of the West African countries of Guinea, Liberia, and Côte d'Ivoire. The sole species is ''Nimbaphrynoides occidentalis''. Along with ''Nectophrynoides'', '' Eleutherodactylus jasperi'', and ''Limnonectes larvaepartus'', ''Nimbaphrynoides'' is one of the only anurans that combine internal fertilization with ovoviviparity.Wells (2007). ''The Ecology and Behavior of Amphibians.'' Pp. 486–487. Taxonomy and systematics ''Nimbaphrynoides occidentalis'' was first described as ''Nectophrynoides occidentalis'' by Fernand Angel in 1943. A second species from Mount Nimba, ''Nectophrynoides liberiensis'', was described in 1979. The two were then transferred to a newly erected genus ''Nimbaphrynoides'' in 1987. The two species were similar except for the larger size of ''N. liberiensis'' compared to ''N. occidentalis'' and some small colour differences. However, their calls are similar, and t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fernand Angel
Fernand Angel (2 February 1881, Douzy – 13 July 1950, Paris) was a French herpetologist. In 1905 he began work as Assistant Preparator under Léon Vaillant and François Mocquard at the ''Muséum national d'histoire naturelle'' in Paris. Later on, he became Curator of the herpetology collection at the museum, a position he maintained for several decades until the time of his death in 1950.SSARHerps (biography). He specialized in herpetofauna native to , and the French colonies of Western Africa. Most ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Species Description
A species description is a formal scientific description of a newly encountered species, typically articulated through a scientific publication. Its purpose is to provide a clear description of a new species of organism and explain how it differs from species that have been previously described or related species. For a species to be considered valid, a species description must follow established guidelines and naming conventions dictated by relevant nomenclature codes. These include the International Code of Zoological Nomenclature (ICZN) for animals, the International Code of Nomenclature for algae, fungi, and plants (ICN) for plants, and the International Committee on Taxonomy of Viruses (ICTV) for viruses. A species description often includes photographs or other illustrations of type material and information regarding where this material is deposited. The publication in which the species is described gives the new species a formal scientific name. Some 1.9 million ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monotypic Amphibian Genera
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispecific" or "monospecific" is sometimes preferred. In botanical nomenclature, a monotypic genus is a genus in the special case where a genus and a single species are simultaneously described. Theoretical implications Monotypic taxa present several important theoretical challenges in biological classification. One key issue is known as "Gregg's Paradox": if a single species is the only member of multiple hierarchical levels (for example, being the only species in its genus, which is the only genus in its family), then each level needs a distinct definition to maintain logical structure. Otherwise, the different taxonomic ranks become effectively identical, which creates problems for organizing biological diversity in a hierarchical system. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Nimba Strict Nature Reserve
Mount Nimba Strict Nature Reserve () is a protected area and UNESCO World Heritage Site located in both Guinea and Côte d'Ivoire, extending over a total of area of , with in Guinea, and in Côte d'Ivoire. The reserve covers significant portions of the Nimba Range, a geographically unique area with unusually rich flora and fauna, including exceptional numbers of single-site endemic species, such as Nimbaphrynoides (a genus of viviparous toads), the Nimba otter shrew, and multiple species of horseshoe bats. Its highest peak is Mount Richard-Molard at 1,752 m (5,750 ft), which is the highest peak of both countries. History The strict nature reserve was established in 1943 by Order No. 4190 SE/F in Côte d'Ivoire and in 1944 by decree in Guinea. The Guinean part was accepted as a biosphere reserve in 1980. Both reserves were combined to form one World Heritage Site in 1981 (Guinea) and 1982 (Côte d'Ivoire) because of its outstanding biodiversity and unique mosaic o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type Locality (biology)
In biology, a type is a particular wikt:en:specimen, specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally associated. In other words, a type is an example that serves to anchor or centralizes the defining features of that particular taxon. In older usage (pre-1900 in botany), a type was a taxon rather than a specimen. A taxon is a scientifically named grouping of organisms with other like organisms, a set (mathematics), set that includes some organisms and excludes others, based on a detailed published description (for example a species description) and on the provision of type material, which is usually available to scientists for examination in a major museum research collection, or similar institution. Type specimen According to a precise set of rules laid down in the International Code of Zoological Nomenclature (ICZN) and the ''International Code of Nomenclature for algae, fungi, and plants'' (ICN), the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Above Sea Level
Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height. The zero level varies in different countries due to different reference points and historic measurement periods. Climate change and other forces can cause sea levels and elevations to vary over time. Uses Elevation or altitude above sea level is a standard measurement for: * Geographic locations such as towns, mountains and other landmarks. * The top of buildings and other structures. * Mining infrastructure, particularly underground. * Flying objects such as airplanes or helicopters below a Transition Altitude defined by local regulations. Units and abbreviations Elevation or altitude is generally expressed as "metres above mean sea level" in the metric system, or " feet above mean sea level" in United States customary and imperial units. Com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Internal Fertilisation
Internal fertilization is the union of an egg and sperm cell during sexual reproduction inside the female body. Internal fertilization, unlike its counterpart, external fertilization, brings more control to the female with reproduction. For internal fertilization to happen there needs to be a method for the male to introduce the sperm into the female's reproductive tract. Most taxa that reproduce by internal fertilization are gonochoric. Male mammals, reptiles, and certain other vertebrates transfer sperm into the female's vagina or cloaca through an intromittent organ during copulation. In most birds, the cloacal kiss is used, the two animals pressing their cloacas together while transferring sperm. Salamanders, spiders, some insects and some molluscs undertake internal fertilization by transferring a spermatophore, a bundle of sperm, from the male to the female. Following fertilization, the embryos are laid as eggs in oviparous organisms, or continue to develop inside the repro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Viviparity
In animals, viviparity is development of the embryo inside the body of the mother, with the maternal circulation providing for the metabolic needs of the embryo's development, until the mother gives birth to a fully or partially developed juvenile that is at least metabolically independent. This is opposed to oviparity, where the embryos develop independently outside the mother in eggs until they are developed enough to break out as hatchlings; and ovoviviparity, where the embryos are developed in eggs that remain carried inside the mother's body until the hatchlings emerge from the mother as juveniles, similar to a live birth. Etymology The term "viviparity" and its adjective form "viviparous" both derive from the Latin ''vivus'', meaning "living"; and ''pario'', meaning "give birth to". Reproductive mode Five modes of reproduction have been differentiated in animals based on relations between zygote and parents. The five include two nonviviparous modes: ovulipari ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sexual Selection In Amphibians
Sexual selection in amphibians involves sexual selection processes in amphibians, including frogs, salamanders and newts. Prolonged breeders, the majority of frog species, have breeding seasons at regular intervals where male-male competition occurs with males arriving at the waters edge first in large number and producing a wide range of vocalizations, with variations in depth of calls the speed of calls and other complex behaviours to attract mates. The fitness (biology), fittest males will have the deepest croaks and the best territories, with females making their mate choices at least partly based on the males depth of croaking. This has led to sexual dimorphism, with females being larger than males in 90% of species, males in 10% and males fighting for groups of females. There is a direct competition between males to win the attention of the females in salamanders and newts, with elaborate courtship displays to keep the females attention long enough to get her interested in c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nimbaphrynoides Occidentalis Female And Male In Amplexus
''Nimbaphrynoides'' is a monotypic genus of true toads from highlands in the Mount Nimba region of the West African countries of Guinea, Liberia, and Côte d'Ivoire. The sole species is ''Nimbaphrynoides occidentalis''. Along with ''Nectophrynoides'', '' Eleutherodactylus jasperi'', and ''Limnonectes larvaepartus'', ''Nimbaphrynoides'' is one of the only anurans that combine internal fertilization with ovoviviparity.Wells (2007). ''The Ecology and Behavior of Amphibians.'' Pp. 486–487. Taxonomy and systematics ''Nimbaphrynoides occidentalis'' was first described as ''Nectophrynoides occidentalis'' by Fernand Angel in 1943. A second species from Mount Nimba, ''Nectophrynoides liberiensis'', was described in 1979. The two were then transferred to a newly erected genus ''Nimbaphrynoides'' in 1987. The two species were similar except for the larger size of ''N. liberiensis'' compared to ''N. occidentalis'' and some small colour differences. However, their calls are similar, and t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dorsum (anatomy)
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] |
Nimbaphrynoides Occidentalis Young Female
''Nimbaphrynoides'' is a monotypic genus of true toads from highlands in the Mount Nimba region of the West African countries of Guinea, Liberia, and Côte d'Ivoire. The sole species is ''Nimbaphrynoides occidentalis''. Along with ''Nectophrynoides'', '' Eleutherodactylus jasperi'', and ''Limnonectes larvaepartus'', ''Nimbaphrynoides'' is one of the only anurans that combine internal fertilization with ovoviviparity.Wells (2007). ''The Ecology and Behavior of Amphibians.'' Pp. 486–487. Taxonomy and systematics ''Nimbaphrynoides occidentalis'' was first described as ''Nectophrynoides occidentalis'' by Fernand Angel in 1943. A second species from Mount Nimba, ''Nectophrynoides liberiensis'', was described in 1979. The two were then transferred to a newly erected genus ''Nimbaphrynoides'' in 1987. The two species were similar except for the larger size of ''N. liberiensis'' compared to ''N. occidentalis'' and some small colour differences. However, their calls are similar, and t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
