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Tropidoptera Rex
''Tropidoptera'' is a genus of small, air-breathing land snails, Terrestrial animal, terrestrial pulmonate gastropod mollusks in the family Amastridae. Description (Described as ''Endodonta (Pterodiscus)'') The shell is umbilicated, depressed, thin, or fragile, with a translucent horny-brown coloration. The Whorl (mollusc), whorls are finely and densely striated, with the body whorl sharply keeled at the periphery and distinctly carinated around the umbilicus. The Aperture (mollusc), aperture is oblique and toothless, with a thin, simple Lip (gastropod), lip. Distribution It is endemic to the Hawaiian Islands. Species Species within the genus ''Tropidotera'' include: * ''Tropidoptera alata'' (L. Pfeiffer, 1856) * ''Tropidoptera discus'' (Pilsbry & Vanatta, 1905) * ''Tropidoptera heliciformis'' (Ancey, 1890) * ''Tropidoptera rex'' (Sykes, 1904) * ''Tropidoptera wesleyi'' (Sykes, 1896) References * * External links Nomenclator Zoologicus info * * {{Taxonbar, fro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tropidoptera Wesleyi
''Tropidoptera'' is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae. Description (Described as ''Endodonta (Pterodiscus)'') The shell is umbilicated, depressed, thin, or fragile, with a translucent horny-brown coloration. The whorls are finely and densely striated, with the body whorl sharply keeled at the periphery and distinctly carinated around the umbilicus. The aperture is oblique and toothless, with a thin, simple lip. Distribution It is endemic to the Hawaiian Islands. Species Species within the genus ''Tropidotera'' include: * '' Tropidoptera alata'' (L. Pfeiffer, 1856) * '' Tropidoptera discus'' (Pilsbry & Vanatta, 1905) * ''Tropidoptera heliciformis'' (Ancey, 1890) * ''Tropidoptera rex ''Tropidoptera'' is a genus of small, air-breathing land snails, Terrestrial animal, terrestrial pulmonate gastropod mollusks in the family Amastridae. Description (Described as ''Endodonta (Pterodiscus)'') The sh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tropidoptera Rex
''Tropidoptera'' is a genus of small, air-breathing land snails, Terrestrial animal, terrestrial pulmonate gastropod mollusks in the family Amastridae. Description (Described as ''Endodonta (Pterodiscus)'') The shell is umbilicated, depressed, thin, or fragile, with a translucent horny-brown coloration. The Whorl (mollusc), whorls are finely and densely striated, with the body whorl sharply keeled at the periphery and distinctly carinated around the umbilicus. The Aperture (mollusc), aperture is oblique and toothless, with a thin, simple Lip (gastropod), lip. Distribution It is endemic to the Hawaiian Islands. Species Species within the genus ''Tropidotera'' include: * ''Tropidoptera alata'' (L. Pfeiffer, 1856) * ''Tropidoptera discus'' (Pilsbry & Vanatta, 1905) * ''Tropidoptera heliciformis'' (Ancey, 1890) * ''Tropidoptera rex'' (Sykes, 1904) * ''Tropidoptera wesleyi'' (Sykes, 1896) References * * External links Nomenclator Zoologicus info * * {{Taxonbar, fro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tropidoptera Discus
''Tropidoptera'' is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae. Description (Described as ''Endodonta (Pterodiscus)'') The shell is umbilicated, depressed, thin, or fragile, with a translucent horny-brown coloration. The whorls are finely and densely striated, with the body whorl sharply keeled at the periphery and distinctly carinated around the umbilicus. The aperture is oblique and toothless, with a thin, simple lip. Distribution It is endemic to the Hawaiian Islands. Species Species within the genus ''Tropidotera'' include: * '' Tropidoptera alata'' (L. Pfeiffer, 1856) * '' Tropidoptera discus'' (Pilsbry & Vanatta, 1905) * ''Tropidoptera heliciformis'' (Ancey, 1890) * ''Tropidoptera rex ''Tropidoptera'' is a genus of small, air-breathing land snails, Terrestrial animal, terrestrial pulmonate gastropod mollusks in the family Amastridae. Description (Described as ''Endodonta (Pterodiscus)'') The sh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
César Marie Félix Ancey
César Marie Félix Ancey (15 November 1860 – 10 October 1906) was a French conchologist and entomologist. For 23 years Ancey was 'conservateur' of collections for Charles Oberthür (1845–1924) at Rennes. Ancey was then a 'fonctionnaire' at Mascara until his death.Anthony Musgrave (1932). Bibliography of Australian Entomology, 1775-1930, with biographical notes on authors and collectors, Royal Zoological Society of News South Wales (Sydney) : viii + 380. The genus '' Anceya'' was dedicated to him by Jules René Bourguignat. Biography César Marie Félix Ancey, administrator at Mascara, Algeria, was born in Marseille, France, 15 November 1860. His father, well known for his publications on entomology and author of valuable work on malacology, encouraged his well-developed inclination for zoological studies. At the age of twenty-three he was appointed conservator of the fine Oberthur entomological collection at Rennes. This position not promising material success, he retur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lip (gastropod)
In the shell of gastropod mollusks (a snail shell), the lip is the free margin of the peristome (synonym: peritreme) or aperture (mollusc), aperture (the opening) of the gastropod shell. In dextral (right-handed) shells (most snail shells are right-handed), the right side or outer side of the aperture is known as the outer lip (''labrum''). The left side of the aperture is known as the inner lip or columellar lip (''labium'') if there is a pronounced lip there. In those species where there is no pronounced lip, the part of the body whorl that adjoins the aperture is known as the parietal wall. The outer lip is usually thin and sharp in immature shells, and in some adults (e.g. the land snails ''Helicella'' and ''Bulimulus''). However, in some other land snails and in many marine species the outer lip is ''thickened'' (also called ''callused''), or ''reflected'' (turned outwards). In some other marine species it is curled inwards (''inflected''), as in the cowries such as ''Cypraea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tropidoptera Heliciformis
''Tropidoptera heliciformis'' is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Amastridae. Description The length of the shell attains 6 mm, its diameter 10 mm. (Original description in Latin) The shell is heliciform, depressed, and broadly umbilicate, with the umbilicus open, deep, angular at the margin, and approximately 2 mm in width. The surface is matte, brown, and marked with coarse striations, giving it a somewhat solid appearance. The spire is depressed and broadly conical with a somewhat obtuse apex. It consists of 5 slightly convex whorls that increase regularly in size and are separated by an impressed suture. The body whorl is carinate, sloping convexly above, fully convex below, and gradually descending over a distance in front. The aperture is oblique, irregularly circular, and furnished with a sharp, revolving, simple columellar fold. It is emarginate and angular externally, rounding at the base. The margin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hawaiian Islands
The Hawaiian Islands () are an archipelago of eight major volcanic islands, several atolls, and numerous smaller islets in the Pacific Ocean, North Pacific Ocean, extending some from the Hawaii (island), island of Hawaii in the south to northernmost Kure Atoll. Formerly called the Sandwich Islands by Europeans, the present name for the archipelago is derived from the name of its largest island, Hawaii. The archipelago sits on the Pacific Plate. The islands are exposed peaks of a great undersea mountain range known as the Hawaiian–Emperor seamount chain, formed by volcano, volcanic activity over the Hawaiian hotspot. The islands are about from the nearest continent and are part of the Polynesia subregion of Oceania. The U.S. state of Hawaii occupies the archipelago almost in its entirety (including the mostly uninhabited Northwestern Hawaiian Islands), with the sole exception of Midway Atoll (a United States Minor Outlying Island). Hawaii is the only U.S. state that is sit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aperture (mollusc)
The aperture is an opening in certain kinds of mollusc shells: it is the main opening of the shell, where the head-foot part of the body of the animal emerges for locomotion, feeding, etc. The term ''aperture'' is used for the main opening in gastropod shells, scaphopod shells, and also for ''Nautilus'' and ammonite shells. The word is not used to describe bivalve shells, where a natural opening between the two shell valves in the closed position is usually called a ''gape (bivalve), gape''. Scaphopod shells are tubular, and thus they have two openings: a main anterior aperture and a smaller posterior aperture. As well as the aperture, some gastropod shells have additional openings in their shells for respiration; this is the case in some Fissurellidae (keyhole limpets) where the central smaller opening at the apex (mollusc), apex of the shell is called an orifice, and in the Haliotidae (abalone) where the row of respiratory openings in the shell are also called orifices. In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Naturalis Biodiversity Center - ZMA
Naturalis Biodiversity Center () is a national museum of natural history and a research center on biodiversity in Leiden, Netherlands. It was named the European Museum of the Year 2021. Although its current name and organization are relatively recent, the history of Naturalis can be traced back to the early 1800s. Its collection includes approximately 42 million specimens, making it one of the largest natural history collections in the world. History The beginnings of Naturalis go back to the creation of the Rijksmuseum van Natuurlijke Historie (abbreviated RMNH, National Museum of Natural History) by royal decree on August 9, 1820. In 1878, the geological and mineralogical collections of the museum were split off into a separate museum, remaining distinct until the merger of the Rijksmuseum van Natuurlijke Historie with the Rijksmuseum van Geologie en Mineralogie (abbreviated RGM) in 1984, to form the Nationaal Natuurhistorisch Museum (NNM) or National Museum of Natural His ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Body Whorl
The body whorl is part of the morphology (biology), morphology of the gastropod shell, shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk. In gastropods In gastropods, the body whorl, or last whorl, is the most recently formed and largest Whorl (mollusc), whorl (or revolution) of a spiral or Helix, helical Gastropod shell, shell, terminating in the Aperture (mollusc), aperture. It is called the "body whorl" because most of the body of the soft parts of the animal fits into this whorl. The proportional size of the body whorl in gastropod shells differs greatly according to the actual shell morphology. For shells in which the rate of whorl expansion of each revolution around the axis is very high, the aperture and the body whorl are large, and the shell tends to be low Spire (mollusc), spired. The shell of the abalone is a good example of this kind of shell. The opposite ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
