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Mesoclemmys Heliostemma
''Mesoclemmys raniceps'' is a side-necked turtle found in the Amazon basin and Orinoco basin. Little is known about the turtle's life cycle Life cycle, life-cycle, or lifecycle may refer to: Science and academia *Biological life cycle, the sequence of life stages that an organism undergoes from birth to reproduction ending with the production of the offspring *Life-cycle hypothesis, ..., but there is evidence that the females can lay a clutch of 4-8 eggs several times in the year. Males are usually smaller than females in length. Males can be distinguished from females by the prominent white scales they have on the external border of their skin which cover the tibia. Mesoclemmys raniceps can be identified by the black stripe on each side of their head which extends from the snout through the eyes and ends at the exterior end, the tympani. References 5. Vogt, R. C., Franco, J. A. G., Fernandes, T. undefined, & Cunha, F. undefined. (2019, March 29). Reproductive Biology and Hat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Edward Gray
John Edward Gray, FRS (12 February 1800 – 7 March 1875) was a British zoologist. He was the elder brother of zoologist George Robert Gray and son of the pharmacologist and botanist Samuel Frederick Gray (1766–1828). The same is used for a zoological name. Gray was keeper of zoology at the British Museum in London from 1840 until Christmas 1874, before the natural history holdings were split off to the Natural History Museum. He published several catalogues of the museum collections that included comprehensive discussions of animal groups and descriptions of new species. He improved the zoological collections to make them amongst the best in the world. Biography Gray was born in Walsall, but his family soon moved to London, where Gray studied medicine. He assisted his father in writing ''The Natural Arrangement of British Plants'' (1821). After being blackballed by the Linnean Society of London, Gray shifted his interest from botany to zoology. He began his zoologica ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fauna Of The Amazon
Fauna is all of the animal life present in a particular region or time. The corresponding term for plants is ''flora'', and for fungi, it is ''funga''. Flora, fauna, funga and other forms of life are collectively referred to as '' biota''. Zoologists and paleontologists use ''fauna'' to refer to a typical collection of animals found in a specific time or place, e.g. the "Sonoran Desert fauna" or the "Burgess Shale fauna". Paleontologists sometimes refer to a sequence of faunal stages, which is a series of rocks all containing similar fossils. The study of animals of a particular region is called faunistics. Etymology ''Fauna'' comes from the name Fauna, a Roman goddess of earth and fertility, the Roman god Faunus, and the related forest spirits called Fauns. All three words are cognates of the name of the Greek god Pan, and ''panis'' is the Greek equivalent of fauna. ''Fauna'' is also the word for a book that catalogues the animals in such a manner. The term was first used by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reptiles Of Venezuela
Reptiles, as most commonly defined are the animals in the class Reptilia ( ), a paraphyletic grouping comprising all sauropsids except birds. Living reptiles comprise turtles, crocodilians, squamates (lizards and snakes) and rhynchocephalians (tuatara). As of March 2022, the Reptile Database includes about 11,700 species. In the traditional Linnaean classification system, birds are considered a separate class to reptiles. However, crocodilians are more closely related to birds than they are to other living reptiles, and so modern cladistic classification systems include birds within Reptilia, redefining the term as a clade. Other cladistic definitions abandon the term reptile altogether in favor of the clade Sauropsida, which refers to all amniotes more closely related to modern reptiles than to mammals. The study of the traditional reptile orders, historically combined with that of modern amphibians, is called herpetology. The earliest known proto-reptiles originated around ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reptiles Of Peru
Reptiles, as most commonly defined are the animals in the class Reptilia ( ), a paraphyletic grouping comprising all sauropsids except birds. Living reptiles comprise turtles, crocodilians, squamates (lizards and snakes) and rhynchocephalians (tuatara). As of March 2022, the Reptile Database includes about 11,700 species. In the traditional Linnaean classification system, birds are considered a separate class to reptiles. However, crocodilians are more closely related to birds than they are to other living reptiles, and so modern cladistic classification systems include birds within Reptilia, redefining the term as a clade. Other cladistic definitions abandon the term reptile altogether in favor of the clade Sauropsida, which refers to all amniotes more closely related to modern reptiles than to mammals. The study of the traditional reptile orders, historically combined with that of modern amphibians, is called herpetology. The earliest known proto-reptiles originated around 3 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reptiles Of Ecuador
Reptiles, as most commonly defined are the animals in the class Reptilia ( ), a paraphyletic grouping comprising all sauropsids except birds. Living reptiles comprise turtles, crocodilians, squamates (lizards and snakes) and rhynchocephalians (tuatara). As of March 2022, the Reptile Database includes about 11,700 species. In the traditional Linnaean classification system, birds are considered a separate class to reptiles. However, crocodilians are more closely related to birds than they are to other living reptiles, and so modern cladistic classification systems include birds within Reptilia, redefining the term as a clade. Other cladistic definitions abandon the term reptile altogether in favor of the clade Sauropsida, which refers to all amniotes more closely related to modern reptiles than to mammals. The study of the traditional reptile orders, historically combined with that of modern amphibians, is called herpetology. The earliest known proto-reptiles originated around 31 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reptiles Of Colombia ...
Colombia is the sixth richest country in the world for reptiles, and third richest in the Western Hemisphere. Turtles The turtles (order: Chelonii or Testudines) number thirty-three species from nine families. Fifteen species are listed as vulnerable, endangered, or critically endangered. Three turtle species are listed as endemic. Crocodilia Squamata See also *Fauna of Colombia References External links * * * * {{South America topic, Reptiles of * Reptiles Colombia Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reptiles Of Brazil
Total number of species = 976 ''Nota bene'': In the following list, a binomial authority in parentheses indicates that the species was originally described in a genus other than the genus to which it is currently assigned. Testudines Cheloniidae (4 species) *''Caretta caretta'' (Linnaeus, 1758) *''Chelonia mydas'' (Linnaeus, 1758) *''Eretmochelys imbricata'' (Linnaeus, 1766) *''Lepidochelys olivacea'' (Eschscholtz, 1829) Dermochelyidae (1 species) *''Dermochelys coriacea'' (Linnaeus, 1766) Emydidae (2 species) *'' Trachemys adiutrix'' Vanzolini, 1995 *''Trachemys dorbigni'' ( A.M.C. Duméril & Bibron, 1835) Geoemydidae (1 species) *'' Rhinoclemmys punctularia'' (Daudin, 1801) Kinosternidae (1 species) *'' Kinosternon scorpioides'' (Linnaeus, 1766) Testudinidae (2 species) *''Geochelone carbonaria'' Spix, 1824 *''Geochelone denticulata'' (Linnaeus, 1766) Podocnemididae (5 species) *''Peltocephalus dumerilianus'' (Schweigger, 1812) *''Podocnemis erythrocephala'' (Spix, 1824 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reptiles Of Bolivia
Reptiles, as most commonly defined are the animals in the class Reptilia ( ), a paraphyletic grouping comprising all sauropsids except birds. Living reptiles comprise turtles, crocodilians, squamates (lizards and snakes) and rhynchocephalians (tuatara). As of March 2022, the Reptile Database includes about 11,700 species. In the traditional Linnaean classification system, birds are considered a separate class to reptiles. However, crocodilians are more closely related to birds than they are to other living reptiles, and so modern cladistic classification systems include birds within Reptilia, redefining the term as a clade. Other cladistic definitions abandon the term reptile altogether in favor of the clade Sauropsida, which refers to all amniotes more closely related to modern reptiles than to mammals. The study of the traditional reptile orders, historically combined with that of modern amphibians, is called herpetology. The earliest known proto-reptiles originated around 31 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Turtles Of South America
Turtles are an order of reptiles known as Testudines, characterized by a special shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Cryptodira (hidden necked turtles), which differ in the way the head retracts. There are 360 living and recently extinct species of turtles, including land-dwelling tortoises and freshwater terrapins. They are found on most continents, some islands and, in the case of sea turtles, much of the ocean. Like other amniotes (reptiles, birds, and mammals) they breathe air and do not lay eggs underwater, although many species live in or around water. Turtle shells are made mostly of bone; the upper part is the domed carapace, while the underside is the flatter plastron or belly-plate. Its outer surface is covered in scales made of keratin, the material of hair, horns, and claws. The carapace bones develop from ribs that grow sideways and develop into broad flat plates tha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nomen Nudum
In taxonomy, a ''nomen nudum'' ('naked name'; plural ''nomina nuda'') is a designation which looks exactly like a scientific name of an organism, and may have originally been intended to be one, but it has not been published with an adequate description. This makes it a "bare" or "naked" name, which cannot be accepted as it stands. A largely equivalent but much less frequently used term is ''nomen tantum'' ("name only"). In zoology According to the rules of zoological nomenclature a ''nomen nudum'' is unavailable; the glossary of the ''International Code of Zoological Nomenclature'' gives this definition: And among the rules of that same Zoological Code: In botany According to the rules of botanical nomenclature a ''nomen nudum'' is not validly published. The glossary of the ''International Code of Nomenclature for algae, fungi, and plants'' gives this definition: The requirements for the diagnosis or description are covered by articles 32, 36, 41, 42, and 44. ''Nomina nud ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mesoclemmys
''Mesoclemmys'' is a South American genus of turtle in the Chelidae family. Species include: * ''Mesoclemmys dahli'' (Zangerl and Medem, 1958) - Dahl's toad-headed turtleZangerl, R., and F. Medem. 1958. A new species of chelid turtle, ''Phrynops'' (''Batrachemys'') ''dahli'', from Colombia. Bull. Mus. Comp. Zool. Harvard 119: 375-390 * ''Mesoclemmys gibba'' (Schweigger, 1812) - Gibba turtleSchweigger, A.F. 1812. Prodromus Monographia Cheloniorum auctore Schweigger. Königsberg. Arch. Naturwiss. Mathem., 1: 271-368, 406-458. * ''Mesoclemmys heliostemma'' (McCord, Joseph-Ouni, and Lamar 2001) * ''Mesoclemmys jurutiensis'' Cunha, Sampaio, Carneiro, & Vogt, 2021 * ''Mesoclemmys nasuta'' (Schweigger, 1812)Schweigger, Augustus F. 1812. Prodromus monographiae Cheloniorum. Königsberger Archiv für Naturwissenschaft und Mathematik 1:271–368, 406–462. * ''Mesoclemmys perplexa'' Bour & Zaher, 2005Bour, Roger and Zaher, Hussam. 2005. A new species of ''Mesoclemmys'', from the open format ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Biological Life Cycle
In biology, a biological life cycle (or just life cycle or lifecycle when the biological context is clear) is a series of changes in form that an organism undergoes, returning to the starting state. "The concept is closely related to those of the life history, development and ontogeny, but differs from them in stressing renewal." Transitions of form may involve growth, asexual reproduction, or sexual reproduction. In some organisms, different "generations" of the species succeed each other during the life cycle. For plants and many algae, there are two multicellular stages, and the life cycle is referred to as alternation of generations. The term life history is often used, particularly for organisms such as the red algae which have three multicellular stages (or more), rather than two.Dixon, P.S. 1973. ''Biology of the Rhodophyta.'' Oliver & Boyd. Life cycles that include sexual reproduction involve alternating haploid (''n'') and diploid (2''n'') stages, i.e., a change of pl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
