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Metacarcinus Davidi
''Metacarcinus'' is a genus of crabs formerly included in the genus ''Cancer''. It includes nine exclusively fossil species and five extant species, of which four are also known from the fossil record. A molecular study using the cytochrome oxidase I gene does not support the monophyly of this genus. Description ''Metacarcinus'' crabs have an oval carapace of about ⅔ of its largest width, with a surface with poorly marked division of smooth or gently colored regions. The front edge usually does not protrude before orbital, and the total length of these edges is 26–34% of the largest width of the carapace, with 5 spikes, including inner orbits, of which the middle springs lower than the others. 9–10 spikes are located on both anteroposterior lateral sides of the carapace; they can be of different shapes. The lateral edges are edged and can have one spike. The claws propodite is characterized by an upper edge at an angle of about 120° to the distal edge, equipped with shar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alphonse Milne-Edwards
Alphonse Milne-Edwards (Paris, 13 October 1835 – Paris, 21 April 1900) was a French mammalogist, ornithologist, and carcinologist. He was English in origin, the son of Henri Milne-Edwards and grandson of Bryan Edwards, a Jamaican planter who settled at Bruges (then in France). Milne-Edwards obtained a medical degree in 1859 and became assistant to his father at the ' in 1876. He became the director of the in 1891, devoting himself especially to fossil birds and deep-sea exploration. In 1881, he undertook a survey of the Gulf of Gascony with Léopold de Folin and worked aboard the ''Travailleur'' and the '' Talisman,'' researching the seas off the Canary Islands, the Cape Verde Islands, and the Azores. For this, he received a gold medal of the Royal Geographical Society. His major ornithological works include ' published in two parts in 1867 and 1872, ' 1866–1874 and ' 1868–1874. His study of fossils led to the discovery of tropical birds such as trogons and parrots fro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metacarcinus Edwardsii
''Metacarcinus edwardsii'', sometimes known as mola rock crab, southern rock crab, or Chilean rock crab, is a species of crab from the Pacific coast of South America. Distribution ''Metacarcinus edwardsii'' is found along the Pacific coast between Guayaquil in Ecuador and the Beagle Channel in the southernmost Chile. Description Females reach functional maturity at carapace width , that is, 50% of females are egg-bearing at this size. Males reach functional maturity at slightly larger sizes. The largest male crabs measure about in carapace width. ''Metacarcinus edwardsii'' is univoltine, with the mating season from October to January. Utilization In Chile, it is the most important commercially exploited crab, caught exclusively in artisanal fisheries Artisanal fishing (or traditional/subsistence fishing) consists of various small-scale, low-technology, low-capital, fishing practices undertaken by individual fishing households (as opposed to commercial fishing). Many o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Decapod Genera
Decapod may refer to: Biology * Decapoda, an order of crustaceans such as lobsters and crabs * Decapodiformes, ten-limbed cephalopods with eight arms and two tentacles Trains * 2-10-0, a steam locomotive wheel arrangement known as "Decapod" in the United States * 0-10-0 Under the Whyte notation for the classification of steam locomotives, represents the wheel arrangement of no leading wheels, ten powered and coupled driving wheels on five axles and no trailing wheels. In the United Kingdom, this type is known ..., a steam locomotive wheel arrangement known as "Decapod" in the United Kingdom * GER Decapod, an experimental 0-10-0 steam locomotive built by the Great Eastern Railway Fiction * Decapodians, decapod-like fictional characters in the cartoon series ''Futurama'' * " The Decapod", the third episode of the second series of the 1960s British television series ''The Avengers'' * In the 2016 Disney film Moana, a crab named Tamatoa refers to himself as a decapod during ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cancroidea
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 Thiidae is a family of crabs in the crustacean order Decapoda. Genera The family contains two genera in two subfamilies: * Subfamily Nautilocorystinae Ortmann, 1893 ** '' Nautilocorystes'' Milne Edwards, 1837 * Subfamily Thiinae Dana, 1852 ... into Portunoidea. 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] |
Metacarcinus Starri
''Metacarcinus starri'' is an extinct species of crab in the family Cancridae, subfamily Cancrinae. The species is known solely from the early Miocene, Clallam Formation and the underlying Pysht Formation deposits on the Olympic Peninsula of Washington state, United States. History and classification The species is known from only the holotype female, number UWBM 92012, and five other specimens all of which are currently residing in the collections housed at the Burke Museum of Natural History and Culture in Seattle, Washington, USA. The type specimens were first studied by Ross E. Berglund and James L. Goedert. Berglund and Goedert's species description was published in the ''Journal of Paleontology'' in 1996. The specific epithet "''starri''" was coined by the authors in recognition of David Starr, who collected and donated one of the paratype specimens. When first described, ''M. starri'' was named ''Cancer (Metacarcinus) starri'' by Berglund and Goedert. In 1975, J. D. Na ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metacarcinus Minutoserratus
''Metacarcinus'' is a genus of crabs formerly included in the genus ''Cancer''. It includes nine exclusively fossil species and five extant species, of which four are also known from the fossil record. A molecular study using the cytochrome oxidase I gene does not support the monophyly In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gr ... of this genus. Description ''Metacarcinus'' crabs have an oval carapace of about ⅔ of its largest width, with a surface with poorly marked division of smooth or gently colored regions. The front edge usually does not protrude before orbital, and the total length of these edges is 26–34% of the largest width of the carapace, with 5 spikes, including inner orbits, of which the middle springs lower than the others. 9–10 spikes are located on bo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
