|
Platyxanthus Orbignyi
''Platyxanthus'' is a genus of crabs in the family Platyxanthidae, containing the following species: *''Platyxanthus balboai'' Garth, 1940 *''Platyxanthus crenulatus ''Platyxanthus crenulatus'' is a species of crab in the family Platyxanthidae Platyxanthus is a family of crab Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, ...'' A. Milne-Edwards, 1879 *'' Platyxanthus orbignyi'' (H. Milne Edwards & Lucas, 1843) *'' Platyxanthus patagonicus'' A. Milne-Edwards, 1879 References Eriphioidea {{Crab-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Platyxanthus Crenulatus
''Platyxanthus crenulatus'' is a species of crab in the family Platyxanthidae Platyxanthus is a family of 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 un .... The species is found along the sublittoral zone of the western Atlantic in the waters of Brazil, Uruguay and Argentina, associated mostly with hard bottoms. Adults are robust and conspicuous crabs, with a smooth carapace, dorsally purple and white ventrally. Their claws have marked heterochely and right-handedness (i.e. dimorphism between chelae and the tendency of bearing the major claw on the right-hand side of the body), traits associated with shell-breaking feeding habits. Due to its abundance, large size and diet, ''P. crenulatus'' presumably has an important ecological role as a predator in benthic communities. References Eriphioidea Cra ... [...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 from p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus comes above species and below family (taxonomy), family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants ... [...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] |
Family (biology)
Family ( la, familia, plural ') is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as the "walnut family". What belongs to a family—or if a described family should be recognized at all—are proposed and determined by practicing taxonomists. There are no hard rules for describing or recognizing a family, but in plants, they can be characterized on the basis of both vegetative and reproductive features of plant species. Taxonomists often take different positions about descriptions, and there may be no broad consensus across the scientific community for some time. The publishing of new data and opini ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Platyxanthidae
Platyxanthus is a family of 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 ...s, containing the following genera: *'' Homalaspis'' A. Milne-Edwards, 1863 *'' Peloeus'' Eydoux & Souleyet, 1842 *'' Platyxanthus'' A. Milne-Edwards, 1863 References Eriphioidea {{Crab-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Platyxanthus Balboai
''Platyxanthus'' is a genus of crabs in the family Platyxanthidae, containing the following species: *'' Platyxanthus balboai'' Garth, 1940 *''Platyxanthus crenulatus ''Platyxanthus crenulatus'' is a species of crab in the family Platyxanthidae Platyxanthus is a family of crab Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, ...'' A. Milne-Edwards, 1879 *'' Platyxanthus orbignyi'' (H. Milne Edwards & Lucas, 1843) *'' Platyxanthus patagonicus'' A. Milne-Edwards, 1879 References Eriphioidea {{Crab-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Platyxanthus Orbignyi
''Platyxanthus'' is a genus of crabs in the family Platyxanthidae, containing the following species: *''Platyxanthus balboai'' Garth, 1940 *''Platyxanthus crenulatus ''Platyxanthus crenulatus'' is a species of crab in the family Platyxanthidae Platyxanthus is a family of crab Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, ...'' A. Milne-Edwards, 1879 *'' Platyxanthus orbignyi'' (H. Milne Edwards & Lucas, 1843) *'' Platyxanthus patagonicus'' A. Milne-Edwards, 1879 References Eriphioidea {{Crab-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Platyxanthus Patagonicus
''Platyxanthus'' is a genus of crabs in the family Platyxanthidae, containing the following species: *''Platyxanthus balboai'' Garth, 1940 *''Platyxanthus crenulatus'' A. Milne-Edwards, 1879 *''Platyxanthus orbignyi ''Platyxanthus'' is a genus of crabs in the family Platyxanthidae, containing the following species: *''Platyxanthus balboai'' Garth, 1940 *''Platyxanthus crenulatus ''Platyxanthus crenulatus'' is a species of crab in the family Platyxanthid ...'' (H. Milne Edwards & Lucas, 1843) *'' Platyxanthus patagonicus'' A. Milne-Edwards, 1879 References Eriphioidea {{Crab-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
.jpg "Click for more on -> Crab")