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Rhinotyphlops Acutus
''Grypotyphlops acutus'', also known as the beaked worm snake, beaked blind snake, or beak-nosed worm snake, is a harmless blind snake species endemic to peninsular India. It is the only species in the genus ''Grypotyphlops''. No subspecies are currently recognized. Taxonomy ''Grypotyphlops'' is thought to group with the African typhlopids in the genera ''Afrotyphlops'', ''Letheobia ''Letheobia'' is a genus of Scolecophidia, blind snakes in the Family (biology), family Typhlopidae.Van Wallach, Wallach, Van (2005) "''Letheobia pauwelsi'', a new species of blindsnake from Gabon (Serpentes: Typhlopidae)." ''African Journal of H ...'', and ''Rhinotyphlops'', being the sister group to the latter two and having dispersed from Africa to the Indian subcontinent during the Paleogene. This contrasts with the other blind snakes in the Indian subcontinent, which are thought to have either mainland Asian ancestry (''Indotyphlops'' and ''Argyrophis'') or be descended from ancient Gondwana ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wilhelm Peters
Wilhelm Karl Hartwich (or Hartwig) Peters (22 April 1815 in Koldenbüttel – 20 April 1883) was a German natural history, naturalist and explorer. He was assistant to the anatomist Johannes Peter Müller and later became curator of the Natural History Museum, Berlin, Berlin Zoological Museum. Encouraged by Müller and the explorer Alexander von Humboldt, Peters travelled to Mozambique via Angola in September 1842, exploring the coastal region and the Zambesi River. He returned to Berlin with an enormous collection of natural history specimens, which he then described in ''Naturwissenschaftliche Reise nach Mossambique... in den Jahren 1842 bis 1848 ausgeführt'' (1852–1882). The work was comprehensive in its coverage, dealing with mammals, birds, reptiles, amphibians, river fish, insects and botany. He replaced Martin Lichtenstein as curator of the museum in 1858, and in the same year he was elected a foreign member of the Royal Swedish Academy of Sciences. In a few years, he g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Subspecies
In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species have subspecies, but for those that do there must be at least two. Subspecies is abbreviated subsp. or ssp. and the singular and plural forms are the same ("the subspecies is" or "the subspecies are"). In zoology, under the International Code of Zoological Nomenclature, the subspecies is the only taxonomic rank below that of species that can receive a name. In botany and mycology, under the International Code of Nomenclature for algae, fungi, and plants, other infraspecific ranks, such as variety, may be named. In bacteriology and virology, under standard bacterial nomenclature and virus nomenclature, there are recommendations but not strict requirements for recognizing other important infraspecific ranks. A taxonomist decides whether ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ganges
The Ganges ( ) (in India: Ganga ( ); in Bangladesh: Padma ( )). "The Ganges Basin, known in India as the Ganga and in Bangladesh as the Padma, is an international river to which India, Bangladesh, Nepal and China are the riparian states." is a trans-boundary river of Asia which flows through India and Bangladesh. The river rises in the western Himalayas in the Indian state of Uttarakhand. It flows south and east through the Gangetic plain of North India, receiving the right-bank tributary, the Yamuna, which also rises in the western Indian Himalayas, and several left-bank tributaries from Nepal that account for the bulk of its flow. In West Bengal state, India, a feeder canal taking off from its right bank diverts 50% of its flow southwards, artificially connecting it to the Hooghly river. The Ganges continues into Bangladesh, its name changing to the Padma. It is then joined by the Jamuna, the lower stream of the Brahmaputra, and eventually the Meghna, forming the major ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gerrhopilus
''Gerrhopilus'' is a genus of snakes in the family Gerrhopilidae. Geographic range The 23 species of the genus ''Gerrhopilus'' are found in South Asia, Southeast Asia, and Melanesia. Species *'' Gerrhopilus addisoni'' *'' Gerrhopilus andamanensis'' *'' Gerrhopilus ater'' *'' Gerrhopilus beddomii'' *'' Gerrhopilus bisubocularis'' *'' Gerrhopilus ceylonicus'' *'' Gerrhopilus depressiceps'' *'' Gerrhopilus eurydice'' *'' Gerrhopilus floweri'' *'' Gerrhopilus fredparkeri'' *'' Gerrhopilus hades'' *'' Gerrhopilus hedraeus'' *'' Gerrhopilus inornatus'' *'' Gerrhopilus lestes'' *'' Gerrhopilus manilae'' *'' Gerrhopilus mcdowelli'' *'' Gerrhopilus mirus'' *'' Gerrhopilus oligolepis'' *'' Gerrhopilus persephone'' Kraus, Fred (2017). "New Species of Blindsnakes (Squamata: Gerrhopilidae) from the offshore islands of Papua New Guinea". ''Zootaxa'' 4299 (1): 075-094. *'' Gerrhopilus sumatranus'' *'' Gerrhopilus suturalis'' *'' Gerrhopilus thurstoni'' *'' Gerrhopilus tind ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Insular India
The term Insular India refers to the isolated landmass which became the Indian subcontinent. Across the latter stages of the Cretaceous and most of the Paleocene, following the breakup of Gondwana, the Indian subcontinent remained an isolated landmass as the Indian Plate drifted across the Tethys Ocean, forming the Indian Ocean. The process of India's separation from Madagascar first began 88 million years ago, but complete isolation only occurred towards the end of the Maastrichtian, a process that has been suggested to be the creation of the Deccan Traps. Soon after, the land mass moved northward rather quickly, until contact with Asia was established 55 million years ago. Even then, both landmasses did not become fully united until around 35 million years ago, and periods of isolation occurred as recently as 24 million years ago. Thus, for a period of 53 million years India has retained a degree of isolation, 11 of which it has been a complete island c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gondwana
Gondwana () was a large landmass, often referred to as a supercontinent, that formed during the late Neoproterozoic (about 550 million years ago) and began to break up during the Jurassic period (about 180 million years ago). The final stages of break-up, involving the separation of Antarctica from South America (forming the Drake Passage) and Australia, occurred during the Paleogene. Gondwana was not considered a supercontinent by the earliest definition, since the landmasses of Baltica, Laurentia, and Siberia were separated from it. To differentiate it from the Indian region of the same name (see ), it is also commonly called Gondwanaland. Gondwana was formed by the accretion of several cratons. Eventually, Gondwana became the largest piece of continental crust of the Palaeozoic Era, covering an area of about , about one-fifth of the Earth's surface. During the Carboniferous Period, it merged with Laurasia to form a larger supercontinent called Pangaea. Gondwana (and Pan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Argyrophis
''Argyrophis'' is a genus of snakes in the family Typhlopidae. Distribution The 12 species of the genus ''Argyrophis'' are found throughout Asia. Species The following species are recognized as being valid. *'' Argyrophis bothriorhynchus'' *'' Argyrophis diardii'' *'' Argyrophis fuscus'' *'' Argyrophis giadinhensis'' *'' Argyrophis hypsobothrius'' *''Argyrophis klemmeri'' *'' Argyrophis koshunensis'' *'' Argyrophis muelleri'' *''Argyrophis oatesii'' *'' Argyrophis roxaneae'' *'' Argyrophis siamensis'' *'' Argyrophis trangensis'' ''Nota bene'': A binomial authority In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ... in parentheses indicates that the species was originally described in a genus other than ''Argyrophis''. References Further reading * Gray JE (1845). ''C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indotyphlops
''Indotyphlops'' is a genus of snakes of the family Typhlopidae. The genus is endemic to Asia. Species The genus ''Indotyphlops'' contains the following 23 species which are recognized as being valid. *''Indotyphlops ahsanai'' *''Indotyphlops albiceps'' - white-headed blind snake *''Indotyphlops braminus'' - flowerpot snake, Brahminy blindsnake, bootlace snake *''Indotyphlops exiguus'' - Belgaum worm snake *''Indotyphlops filiformis'' - file worm snake *''Indotyphlops fletcheri'' *''Indotyphlops jerdoni'' - Jerdon's worm snake *''Indotyphlops lankaensis'' - Sri Lanka worm snake *''Indotyphlops lazelli'' *''Indotyphlops leucomelas'' - pied worm snake *'' Indotyphlops longissimus'' - long worm snake *'' Indotyphlops loveridgei'' - Loveridge's worm snake *''Indotyphlops madgemintonae'' *'' Indotyphlops malcolmi'' - Malcolm's worm snake *'' Indotyphlops meszoelyi'' - Darjeeling worm snake *'' Indotyphlops mollyozakiae'' - Molly Ozaki’s blind snake *'' Indotyphlo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paleogene
The Paleogene ( ; British English, also spelled Palaeogene or Palæogene; informally Lower Tertiary or Early Tertiary) is a geologic period, geologic period and system that spans 43 million years from the end of the Cretaceous Period million years ago (annum, Mya) to the beginning of the Neogene Period Mya. It is the beginning of the Cenozoic Era of the present Phanerozoic Eon. The earlier term Tertiary Period was used to define the span of time now covered by the Paleogene Period and subsequent Neogene Period; despite no longer being recognised as a formal stratigraphy, stratigraphic term, 'Tertiary' is still widely found in earth science literature and remains in informal use. Paleogene is often abbreviated "Pg" (but the United States Geological Survey uses the abbreviation PE for the Paleogene on the Survey's geologic maps). During the Paleogene, evolution of mammals, mammals diversified from relatively small, simple forms into a large group of diverse animals in the wake of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indian Subcontinent
The Indian subcontinent is a list of the physiographic regions of the world, physiographical region in United Nations geoscheme for Asia#Southern Asia, Southern Asia. It is situated on the Indian Plate, projecting southwards into the Indian Ocean from the Himalayas. Geopolitically, it includes the countries of Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka."Indian subcontinent". ''Oxford Dictionary of English, New Oxford Dictionary of English'' () New York: Oxford University Press, 2001; p. 929: "the part of Asia south of the Himalayas which forms a peninsula extending into the Indian Ocean, between the Arabian Sea and the Bay of Bengal. Historically forming the whole territory of Greater India, the region is now divided into three countries named Bangladesh, India and Pakistan." The terms ''Indian subcontinent'' and ''South Asia'' are often used interchangeably to denote the region, although the geopolitical term of South Asia frequently includes Afghanist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sister Group
In phylogenetics, a sister group or sister taxon, also called an adelphotaxon, comprises the closest relative(s) of another given unit in an evolutionary tree. Definition The expression is most easily illustrated by a cladogram: Taxon A and taxon B are sister groups to each other. Taxa A and B, together with any other extant or extinct descendants of their most recent common ancestor (MRCA), form a monophyletic group, the clade AB. Clade AB and taxon C are also sister groups. Taxa A, B, and C, together with all other descendants of their MRCA form the clade ABC. The whole clade ABC is itself a subtree of a larger tree which offers yet more sister group relationships, both among the leaves and among larger, more deeply rooted clades. The tree structure shown connects through its root to the rest of the universal tree of life. In cladistic standards, taxa A, B, and C may represent specimens, species, genera, or any other taxonomic units. If A and B are at the same taxonomic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhinotyphlops
''Rhinotyphlops'' is a genus of blind snakes in the family Typhlopidae. The genus is found in Africa, the Middle East, and India. Some species formerly assigned to the genus ''Rhinotyphlops'' have been moved to the genera ''Afrotyphlops'' and ''Letheobia''. Species ''*) Not including the nominate subspecies.'' ) Type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen .... References External links * Typhlopidae Snake genera Taxa named by Leopold Fitzinger Taxonomy articles created by Polbot {{Scolecophidia-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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