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Cancroid
Cancroidea is a superfamily of crabs, comprising the families Atelecyclidae and Cancridae. http://boletinsgm.igeolcu.unam.mx/bsgm/vols/epoca04/6502/%2810%29Osso.pdf Four other families have been separated into new superfamilies: Cheiragonidae into Cheiragonoidea, Corystidae into Corystoidea, and both Pirimelidae and Thiidae into Portunoidea __NOTOC__ Portunoidea is a superfamily of crabs that includes the family Portunidae, the swimming crabs. Which other crab families are also placed here is a matter of some contention, and may be revised following molecular phylogenetic analyses. .... Montezumellidae has been moved from Cancroidea to his own Superfamily Montezumelloidea Ossó & Domínguez, 2019 (Zootaxa, 4623 (1): 175–188). References Crabs Arthropod superfamilies {{crab-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crab
Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely under the thorax. They live in all the world's oceans, in freshwater, and on land, are generally covered with a thick exoskeleton, and have a single pair of pincers. They first appeared during the Jurassic Period. Description Crabs are generally covered with a thick exoskeleton, composed primarily of highly mineralized chitin, and armed with a pair of chelae (claws). Crabs vary in size from the pea crab, a few millimeters wide, to the Japanese spider crab, with a leg span up to . Several other groups of crustaceans with similar appearances – such as king crabs and porcelain crabs – are not true crabs, but have evolved features similar to true crabs through a process known as carcinisation. Environment Crabs are found in all of the world's oceans, as well as in fresh w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crabs
Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely under the thorax. They live in all the world's oceans, in freshwater, and on land, are generally covered with a thick exoskeleton, and have a single pair of pincers. They first appeared during the Jurassic Period. Description Crabs are generally covered with a thick exoskeleton, composed primarily of highly mineralized chitin, and armed with a pair of chelae (claws). Crabs vary in size from the pea crab, a few millimeters wide, to the Japanese spider crab, with a leg span up to . Several other groups of crustaceans with similar appearances – such as king crabs and porcelain crabs – are not true crabs, but have evolved features similar to true crabs through a process known as carcinisation. Environment Crabs are found in all of the world's oceans, as well as in fresh w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cancer Pagurus
''Cancer pagurus'', commonly known as the edible crab or brown crab, is a species of crab found in the North Sea, North Atlantic Ocean, and perhaps the Mediterranean Sea. It is a robust crab of a reddish-brown colour, having an oval carapace with a characteristic "pie crust" edge and black tips to the claws. A mature adult may have a carapace width up to and weigh up to . ''C. pagurus'' is a nocturnal predator, targeting a range of molluscs and crustaceans. It is the subject of the largest crab fishery in Western Europe, centred on the coasts of the British Isles, with more than 60,000 tonnes caught annually. Description The carapace of ''C. pagurus'' adults is a reddish-brown colour, while in young specimens it is purple-brown. It occasionally bears white patches, and is shaped along the front edge into nine rounded lobes, resembling a pie crust. Males typically have a carapace long, and females long, although they may reach up to long in exceptional cases. Carapace wi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pierre André Latreille
Pierre André Latreille (; 29 November 1762 – 6 February 1833) was a French zoologist, specialising in arthropods. Having trained as a Roman Catholic priest before the French Revolution, Latreille was imprisoned, and only regained his freedom after recognising a rare beetle species he found in the prison, ''Necrobia ruficollis''. He published his first important work in 1796 (), and was eventually employed by the . His foresighted work on arthropod systematics and taxonomy gained him respect and accolades, including being asked to write the volume on arthropods for George Cuvier's monumental work, , the only part not by Cuvier himself. Latreille was considered the foremost entomologist of his time, and was described by one of his pupils as "the prince of entomologists". Biography Early life Pierre André Latreille was born on 29 November 1762 in the town of Brive, then in the province of Limousin, as the illegitimate child of Jean Joseph Sahuguet d'Amarzit, général ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atelecyclidae
Atelecyclidae is a family of crabs belonging to the superfamily Cancroidea, and currently contains eight genera of which two are extinct. However, the genera other than '' Atelecyclus'' and '' Pseudocorystes'' do not belong in the Cancroidea, and are to be removed from the family. *'' Atelecyclus'' *† '' Levicyclus'' *† '' Palaeotrichia'' *''Peltarion Peltarion is an Artificial intelligence, AI software company with offices in Stockholm and London. In June 2022, the company was acquired by the video game developer King (company), King, which is owned by Activision Blizzard. History Peltari ...'' *'' Podocatactes'' *'' Pseudocorystes'' *'' Protopeltarion'' *'' Trichopeltarion'' References Cancroidea Decapod families {{crab-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cancridae
Cancridae is a family of crabs. It comprises six extant genera, and ten exclusively fossil genera, in two subfamilies: Extant Genera Cancrinae Latreille, 1802 *'' Anatolikos'' Schweitzer & Feldmann, 2000 * ''Cancer'' Linnaeus, 1758 *''Glebocarcinus'' Nations, 1975 *'' Metacarcinus'' A. Milne-Edwards, 1862 *'' Platepistoma'' Rathbun, 1906 *'' Romaleon'' Gistel, 1848 Fossils Cancrinae Latreille, 1802 *†'' Anisospinos'' Schweitzer & Feldmann, 2000 *†'' Ceronnectes'' De Angeli & Beschin, 1998 *†'' Cyclocancer'' Beurlen, 1958 *†'' Microdium'' Reuss, 1867 *†'' Notocarcinus'' Schweitzer & Feldmann, 2000 *†'' Santeecarcinus'' Blow & Manning, 1996 *†'' Sarahcarcinus'' Blow & Manning, 1996 † Lobocarcininae Beurlen, 1930 *†'' Lobocarcinus'' Reuss, 1857 *†'' Miocyclus'' Müller, 1978 *†'' Tasadia'' Müller ''in'' Janssen & Müller, 1984 Until 2000, the extant species were all classified in genus ''Cancer''. After an analysis of new fossil material, the subgenera were ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boletín De La Sociedad Geológica Mexicana
The Mexican Geological Society (in Spanish: Sociedad Geológica Mexicana) is a Mexican learned society A learned society (; also learned academy, scholarly society, or academic association) is an organization that exists to promote an discipline (academia), academic discipline, profession, or a group of related disciplines such as the arts and s ... founded in 1904. Among the founders was geologist Dr. José G. Aguilera who also was the first president of the society. The society publishes the journal ''Boletín de la Sociedad Geológica Mexicana''. References External links * {{authority control Geology societies Geology of Mexico Scientific organizations based in Mexico ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cheiragonidae
Cheiragonidae is a small family of crabs, sometimes called '' helmet crabs'', placed in its own superfamily, Cheriagonoidea. It comprises three extant species, '' Erimacrus isenbeckii'', '' Telmessus acutidens'' and ''Telmessus cheiragonus'', there are no yet evidences of Cheiragonidae in the fossil record. Many of these crabs were formerly treated as members of the Atelecyclidae Atelecyclidae is a family of crabs belonging to the superfamily Cancroidea, and currently contains eight genera of which two are extinct. However, the genera other than '' Atelecyclus'' and '' Pseudocorystes'' do not belong in the Cancroidea, and .... References External links * Crabs Extant Eocene first appearances Decapod families {{crab-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cheiragonoidea
Cheiragonidae is a small family (biology), family of crabs, sometimes called ''helmet crabs'', placed in its own Taxonomic rank, superfamily, Cheriagonoidea. It comprises three extant species, ''Horsehair crab, Erimacrus isenbeckii'', ''Telmessus acutidens'' and ''Telmessus cheiragonus'', there are no yet evidences of Cheiragonidae in the fossil record. Many of these crabs were formerly treated as members of the Atelecyclidae. References External links * Crabs Extant Eocene first appearances Decapod families {{crab-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Corystidae
Corystidae is a family of crabs, in its own superfamily, Corystoidea. It includes what was once thought to be the oldest Eubrachyuran fossil, '' Hebertides jurassica'', thought to be dating from the Bathonian (Middle Jurassic); the species was subsequently reinterpreted as being Cenozoic in age. Corystidae contains ten extant and five extinct species in eight genera: *''Corystes'' Bosc, 1802 *'' Corystites'' Lőrenthey, in Lőrenthey & Beurlen, 1929 *'' Gomeza'' Gray, 1831 *'' Gomezinus'' † Collins, Lee & Noad, 2003 *'' Harenacorystes'' † Van Bakel, Jagt, Artal & Fraaije, 2009 *'' Hebertides'' † Guinot, De Angeli & Garassino, 2007 *''Jonas Jonas may refer to: Geography * Jonas, Netherlands, Netherlands * Jonas, Pennsylvania, United States * Jonas Ridge, North Carolina, United States People with the name * Jonas (name), people with the given name or surname Jonas * Jonas, one of ...'' Hombron & Jacquinot, 1846 *'' Micromithrax'' † Noetling, 1881 References External ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Corystoidea
Corystidae is a family of crabs, in its own superfamily, Corystoidea. It includes what was once thought to be the oldest Eubrachyuran fossil, '' Hebertides jurassica'', thought to be dating from the Bathonian ( Middle Jurassic); the species was subsequently reinterpreted as being Cenozoic in age. Corystidae contains ten extant and five extinct species in eight genera: *'' Corystes'' Bosc, 1802 *'' Corystites'' Lőrenthey, in Lőrenthey & Beurlen, 1929 *'' Gomeza'' Gray, 1831 *'' Gomezinus'' † Collins, Lee & Noad, 2003 *'' Harenacorystes'' † Van Bakel, Jagt, Artal & Fraaije, 2009 *'' Hebertides'' † Guinot, De Angeli & Garassino, 2007 *''Jonas Jonas may refer to: Geography * Jonas, Netherlands, Netherlands * Jonas, Pennsylvania, United States * Jonas Ridge, North Carolina, United States People with the name * Jonas (name), people with the given name or surname Jonas * Jonas, one o ...'' Hombron & Jacquinot, 1846 *'' Micromithrax'' † Noetling, 1881 References Exte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pirimelidae
Pirimelinae is a subfamily of crabs belonging to the family Carcinidae in the order Decapoda The Decapoda or decapods (literally "ten-footed") are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crabs, lobsters, crayfish, shrimp and prawns. Most decapods are scavengers. The order is esti .... It previously was treated as a family. Genera Extant genera: * '' Pirimela'' Leach, 1816 * '' Sirpus'' Gordon, 1953 Extinct genera: * '' Parapirimela'' Van Straelen, 1937 * '' Pliopirimela'' Van Bakel, Jagt, Fraaije & Willie, 2003 * '' Trachypirimela'' Müller, 1974 References Decapods Decapod families {{Crab-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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