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Amphicyclotulus Amethystinus
''Amphicyclotulus amethystinus'' is a species of tropical land snail with a gill and an operculum, a terrestrial gastropod mollusk in the family Neocyclotidae. Shell description The shell is smooth, shining, not striate spirally, generally somewhat more depressed, deep chestnut or reddish brown. Whorls are a little flattened near the suture. The species may have subtle spiral striation, although there exists considerable variation; axial growth lines are clearly visible. The operculum is horny, diaphanous, concave externally, cartilaginous within, the nucleus projecting internally; with from ten to fourteen very narrow whorls, their rather lamellar outer edges slightly free. ''Amphicyclotulus amethystinus'' has spiral threads absent or only weakly present. There are found only two species in the genus ''Amphicyclotulus'' in Dominica. The other species is ''Amphicyclotulus dominicensis'' and it has spiral cords clearly present and raised. Robert John Lechmere Guppy (1868) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Animalia
Animals are multicellular, eukaryotic organisms in the biological kingdom Animalia. With few exceptions, animals consume organic material, breathe oxygen, are able to move, can reproduce sexually, and go through an ontogenetic stage in which their body consists of a hollow sphere of cells, the blastula, during embryonic development. Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million animal species in total. Animals range in length from to . They have complex interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology. Most living animal species are in Bilateria, a clade whose members have a bilaterally symmetric body plan. The Bilateria include the protostomes, containing animals such as nematodes, arthropods, flatworms, annelids and molluscs, and the deuterostomes, containing the echinode ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gastropod Shell
The gastropod shell is part of the body of a Gastropoda, gastropod or snail, a kind of mollusc. The shell is an exoskeleton, which protects from predators, mechanical damage, and dehydration, but also serves for muscle attachment and calcium storage. Some gastropods appear shell-less (slugs) but may have a remnant within the mantle, or in some cases the shell is reduced such that the body cannot be retracted within it (semi-slug). Some snails also possess an operculum that seals the opening of the shell, known as the Aperture (mollusc), aperture, which provides further protection. The study of mollusc shells is known as conchology. The biological study of gastropods, and other molluscs in general, is malacology. Shell morphology terms vary by species group. Shell layers The gastropod shell has three major layers secreted by the Mantle (mollusc), mantle. The calcareous central layer, tracum, is typically made of calcium carbonate precipitated into an organic matrix known as c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Museum Of Natural History
The National Museum of Natural History is a natural history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C., United States. It has free admission and is open 364 days a year. In 2021, with 7.1 million visitors, it was the eighteenth most visited museum in the world and the second most visited natural history museum in the world after the Natural History Museum in London."The World's most popular museums", CNN.com, 22 June 2017. Opened in 1910, the museum on the National Mall was one of the first Smithsonian buildings constructed exclusively to hold the national collections and research facilities. The main building has an overall area of with of exhibition and public space and houses over 1,000 employees. The museum's collections contain over 145 million specimens of plants, animals, fossils, minerals, rocks, meteorites, human remains, and human cultural artifacts, the largest natural history collection in the world. It i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Holotype
A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of several examples, but explicitly designated as the holotype. Under the International Code of Zoological Nomenclature (ICZN), a holotype is one of several kinds of name-bearing types. In the International Code of Nomenclature for algae, fungi, and plants (ICN) and ICZN, the definitions of types are similar in intent but not identical in terminology or underlying concept. For example, the holotype for the butterfly '' Plebejus idas longinus'' is a preserved specimen of that subspecies, held by the Museum of Comparative Zoology at Harvard University. In botany, an isotype is a duplicate of the holotype, where holotype and isotypes are often pieces from the same individual plant or samples from the same gathering. A holotype is not necessarily "typ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Laudat
Laudat is a small village in the interior of Dominica, located between 3 mountains: Morne Watt, Morne Micotrine (Morne Mackak), and Morne Trois Pitons. With a population of just above 300 people, Laudat is referred to as a "gateway" because it is the sole entry point to many of the islands sights, including the Boiling Lake, Fresh Water Lake, and Titou Gorge. Perched about 1200 feet above sea level Laudat has a cool climate and views of the Caribbean Sea. It is located approximately 20 minutes from the capital, Roseau Roseau (Dominican Creole: ''Wozo'') is the capital and largest city of Dominica, with a population of 14,725 as of 2011. It is a small and compact urban settlement, in the Saint George parish and surrounded by the Caribbean Sea, the Roseau Ri ... and is at the end of the road (there is no alternative but to turn around to exit). The road to Laudat used to be a hair-raising ride up the mountains, around blind hairpin turns with sharp drop-offs into the jungle c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Non-marine Molluscs Of Dominica
The non-marine molluscs of Dominica are species of land and freshwater molluscs, i.e. land snails, land slugs and one small freshwater clam that are part of the wildlife of Dominica, an island in the Lesser Antilles. In malacology, the non-marine molluscs of an area are traditionally listed separately from the marine molluscs (those molluscs that live in full-salinity saltwater). Dominica is a Caribbean island, part of the Windward Island chain of the Lesser Antilles. Fifty-five species of non-marine molluscs have been found in the wild in Dominica, including sixteen endemic species of land snails, species which occur nowhere else on Earth. Dominica is a mountainous, , volcanic, tropical island. It is undeveloped compared with most other Caribbean islands, and it is known for its wildlife and unspoiled natural landscapes. The rugged terrain includes a great deal of tropical rainforest, numerous rivers, and several officially protected areas, including Morne Trois Pitons National ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphicyclotulus Amethystinus And Amphicyclotulus Dominicensis Map
''Amphicyclotulus'' is a genus of tropical land snails with gills and an operculum, terrestrial gastropod mollusks in the family Neocyclotidae (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Species Species within the genus ''Amphicyclotulus'' include: * '' Amphicyclotulus amethystinus'' (Guppy, 1868) - synonym: ''Amphicyclotulus mineri'' Bartsch, 1942 * ''Amphicyclotulus beauianus'' (Petit, 1853) * '' Amphicyclotulus dominicensis'' Bartsch, 1942 * '' Amphicyclotulus guadeloupensis'' de la Torre, Bartsch & Morrison, 1942 * ''Amphicyclotulus liratus'' Droüet, 1859 * ''Amphicyclotulus perplexus'' de la Torre, Bartsch & Morrison, 1942Bouchet, P. (1996). ''Amphicyclotulus perplexus''. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.1. . Downloaded on 25 March 2010. * ''Amphicyclotulus rufescens'' * ''Amphicyclotulus schrammi'' (Shuttleworth, 1857) See also * ''Amphicyclotus ''Amphicyclotus'' is a genus of tropical land snails with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paul Bartsch
Paul Bartsch (14 August 1871 Tuntschendorf, Silesia – 24 April 1960 McLean, Virginia) was an American malacologist and carcinologist. He was named the last of those belonging to the "Descriptive Age of Malacology". Early life Bartsch emigrated with his parents to the U.S.A in 1880, first to Missouri and then to Burlington, Iowa. As a child, he took up jobs in his spare time in several employments. He soon took an interest in nature, first by keeping a small menagerie at home, and during his high school years, collecting birds and preparing skins. He established a natural-history club in his home with a little museum and a workshop. By the time he went to the University of Iowa in 1893, he had collected 2,000 skins. Among his professors at the university were the University of Iowa were the geologist Samuel Calvin, botanists Thomas H. Macbride and Bohumil Shimek, and the zoologist Charles C. Nutting. He graduated from the university with a B.S. in 1896, and M.S. in 1899, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George French Angas
George French Angas (25 April 1822 – 4 October 1886), also known as G.F.A., was an English explorer, naturalist, painter and poet who emigrated to Australia. His paintings are held in a number of important Australian public art collections. He was the eldest son of George Fife Angas, who was prominent in the early days of the colonisation of South Australia. Biography He was born in Newcastle upon Tyne, England, the eldest son of George Fife Angas, prominent in the establishment of the new colony of South Australia. Despite showing remarkable talent in drawing, he was placed in a London business house by his father. He left on a tour of Europe and in 1842 published his first book, ''"Rambles in Malta and Sicily"''. As a result of this experience, he turned his back on the world of commerce, and directed his training towards a study of natural history, anatomical drawing and lithography. Embarking on his travels, he was soon to find his acquired skills extremely useful. Ang ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphicyclotulus Amethystinus Shell
''Amphicyclotulus'' is a genus of tropical land snails with gills and an operculum, terrestrial gastropod mollusks in the family Neocyclotidae (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Species Species within the genus ''Amphicyclotulus'' include: * '' Amphicyclotulus amethystinus'' (Guppy, 1868) - synonym: ''Amphicyclotulus mineri'' Bartsch, 1942 * ''Amphicyclotulus beauianus'' (Petit, 1853) * '' Amphicyclotulus dominicensis'' Bartsch, 1942 * '' Amphicyclotulus guadeloupensis'' de la Torre, Bartsch & Morrison, 1942 * ''Amphicyclotulus liratus'' Droüet, 1859 * ''Amphicyclotulus perplexus'' de la Torre, Bartsch & Morrison, 1942Bouchet, P. (1996). ''Amphicyclotulus perplexus''. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.1. . Downloaded on 25 March 2010. * ''Amphicyclotulus rufescens'' * ''Amphicyclotulus schrammi'' (Shuttleworth, 1857) See also * ''Amphicyclotus ''Amphicyclotus'' is a genus of tropical land snails with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphicyclotulus Amethystinus Shell 2
''Amphicyclotulus'' is a genus of tropical land snails with gills and an operculum, terrestrial gastropod mollusks in the family Neocyclotidae (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Species Species within the genus ''Amphicyclotulus'' include: * '' Amphicyclotulus amethystinus'' (Guppy, 1868) - synonym: ''Amphicyclotulus mineri'' Bartsch, 1942 * ''Amphicyclotulus beauianus'' (Petit, 1853) * '' Amphicyclotulus dominicensis'' Bartsch, 1942 * '' Amphicyclotulus guadeloupensis'' de la Torre, Bartsch & Morrison, 1942 * ''Amphicyclotulus liratus'' Droüet, 1859 * ''Amphicyclotulus perplexus'' de la Torre, Bartsch & Morrison, 1942Bouchet, P. (1996). ''Amphicyclotulus perplexus''. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.1. . Downloaded on 25 March 2010. * ''Amphicyclotulus rufescens'' * ''Amphicyclotulus schrammi'' (Shuttleworth, 1857) See also * ''Amphicyclotus ''Amphicyclotus'' is a genus of tropical land snails with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphicyclotulus Dominicensis
''Amphicyclotulus dominicensis'' is a species of tropical land snail with a gill and an operculum, a terrestrial gastropod mollusk in the family Neocyclotidae. Distribution This species is endemic to the West Indian island of Dominica.Robinson D. G., Hovestadt A., Fields A. & Breure A. S. H. (July 2009). "The land Mollusca of Dominica (Lesser Antilles), with notes on some enigmatic or rare species". ''Zoologische Mededelingen'' 83 http://www.zoologischemededelingen.nl/83/nr03/a13 The type locality is Long Dilton, Dominica. The holotype is in National Museum of Natural History under number 535857. Shell description ''Amphicyclotulus dominicensis'' has spiral cords which are clearly visible and raised. There are only two species in the genus ''Amphicyclotulus'' in Dominica. The other species is '' Amphicyclotulus amethystinus'', which has either no spiral threads or ones that are only weakly present. ''Amphicyclotulus dominicensis'' is smaller than the ''Amphicyclotulu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
