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The Decapoda or decapods are an order of crustaceans within the class Malacostraca, including many familiar groups, such as crayfish, crabs, lobsters, prawns, and shrimp. Most decapods are scavengers. The order is estimated to contain nearly 15,000 species in around 2,700 genera, with around 3,300 fossil species. Nearly half of these species are crabs, with the shrimp and Anomura including hermit crabs, porcelain crabs, squat lobsters making up the bulk of the remainder. The earliest fossil decapod is the Devonian Palaeopalaemon.
Harriet Ellan Miers is an American lawyer who served as White House Counsel to President George W. Bush from 2005 to 2007. A member of the Republican Party since 1988, she previously served as White House Staff Secretary from 2001 to 2003 and White House Deputy Chief of Staff for Policy from 2003 until 2005. In 2005, Miers was nominated by Bush to be an Associate Justice of the Supreme Court of the United States to replace retiring Justice Sandra Day O'Connor, but—in the face of bipartisan opposition—asked Bush to withdraw her nomination.
Menispermaceae is a family of flowering plants. The alkaloid tubocurarine, a neuromuscular blocker and the active ingredient in the 'tube curare' form of the dart poison curare, is derived from the South American liana Chondrodendron tomentosum. Several other South American genera belonging to the family have been used to prepare the 'pot' and calabash' forms of curare. The family contains 68 genera with some 440 species, which are distributed throughout low-lying tropical areas with some species present in temperate and arid regions.
Ovalipes is a genus of crabs in the family Ovalipidae, containing 11 extant species:
Majidae is a family of crabs, comprising around 200 marine species inside 52 genera, with a carapace that is longer than it is broad, and which forms a point at the front. The legs can be very long in some species, leading to the name "spider crab". The exoskeleton is covered with bristles to which the crab attaches algae and other items to act as camouflage.
Robert Walter Miers was a U.S. Representative from Indiana.
Calappidae is a family of crabs containing 16 genera, of which 7 are only known as fossils:
Trevoa is a genus of actinorhizal plants; these dicotyledon flora are trees or small shrubs. The genus was first proposed by Miers in 1825, but was not fully described until 1830 by Sir William Jackson Hooker. Genus members are notable for their ability to fix nitrogen. Species of this genus are generally found in the near coastal forests and arid shrubland of South America. Some species are localized in the mountains of central Chile; for example, the species Trevoa trinervis occurs in the La Campana National Park and other proximate areas of central Chile.
Hexapodidae is a family of crabs, the only family in the superfamily Hexapodoidea. It has traditionally been treated as a subfamily of the family Goneplacidae, and was originally described as a subfamily of Pinnotheridae. Its members can be distinguished from all other true crabs by the reduction of the thorax, such that only seven sternites are exposed, and only four pairs of pereiopods are present. Not counting the enlarged pair of claws, this leaves only six walking legs, from which the type genus Hexapus, and therefore the whole family, takes its name. Some anomuran "crabs", such as porcelain crabs and king crabs also have only four visible pairs of legs. With the exception of Stevea williamsi, from Mexico, all the extant members are found either in the Indo-Pacific oceans, or around the coast of Africa.
Edward John Miers FZS FLS was a British zoologist and curator of the crustacean collection at the Natural History Museum in London. He contributed to the scientific reports from the Challenger expedition of 1872–1876, and described 32 new genera and at least 260 new species and subspecies of decapod crustaceans, along with four genera and 72 new species in other orders.
Pseudozioidea is a superfamily of crabs, formerly treated in the Eriphioidea, Carpilioidea, Xanthoidea, Pilumnoidea and Goneplacoidea. A number of fossils from the Eocene onwards are known from the family Pseudoziidae. Eleven genera are recognised in three families:
Trapezioidea is a superfamily of crabs. Its members live symbiotically with corals, and have a fossil record stretching back to the Eocene.
Inachidae is a family of crabs, containing 39 genera:
Trapeziidae is a family of crabs, commonly known as coral crabs. All the species in the family are found in a close symbiosis with cnidarians. They are found across the Indo-Pacific, and can best be identified to the species level by the colour patterns they display. Members of the family Tetraliidae were previously included in the Trapeziidae, but the similarities between the taxa is the result of convergent evolution.
Mursia is a genus of crabs in the family Calappidae, containing the following species:
Hiram Ricardo Mier Alanís is a Mexican professional footballer who plays as a defender for Liga MX club Guadalajara. He won a gold medal at the 2012 Summer Olympics.
Leucosia is a genus of crabs in the family Leucosiidae, containing the following extant species:
Ebalia is a genus of crab in the family Leucosiidae.
Gonodactylaceus, is a genus of mantis shrimp. It contains the following species:
References
- ↑ P. Davie (2010). "Paracyclois Miers, 1886". World Register of Marine Species . Retrieved December 6, 2010.
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