Bathynomus Affinis
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Bathynomus Affinis
''Bathynomus affinis'' is a species of aquatic crustacean of the order Isopoda Isopoda is an order of crustaceans. Members of this group are called isopods and include both aquatic species and terrestrial species such as woodlice. All have rigid, segmented exoskeletons, two pairs of antennae, seven pairs of jointed l .... It is known from the West Pacific (Philippines). There are minimal records of this isopod, all of them come from the early 1900s.https://obis.org/taxon/259249 References Cymothoida Isopods of the Pacific Ocean Crustaceans described in 1910 {{isopod-stub ...
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Harriet Richardson
Harriet Richardson Searle (May 9, 1874 – March 28, 1958) was an American carcinologist. She was known as the first lady of isopods and was one of the first female carcinologists, with only Mary Jane Rathbun before her. Biography Richardson was born on May 9, 1874, in Washington, D.C., to Charles and Charlotte Ann Richardson. She attended the Friends School and Mount Vernon Seminary in Washington before attending Vassar College - where she became interested in biology - from which she graduated in 1896 with an A.B., and again with a master's degree in zoology in 1901. In 1901 Richardson was appointed Collaborator in the Division of Marine Invertebrates at the National Museum of Natural History. She earned her PhD in the same field from Columbian University (now George Washington University) in 1903. Richardson began working with the Smithsonian in 1896. She worked at the museum unpaid by the Smithsonian for about twenty years. During this time she produced more output than ma ...
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Crustacean
Crustaceans (from Latin meaning: "those with shells" or "crusted ones") are invertebrate animals that constitute one group of arthropods that are traditionally a part of the subphylum Crustacea (), a large, diverse group of mainly aquatic arthropods including decapods (shrimps, prawns, crabs, lobsters and crayfish), seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, opossum shrimps, amphipods and mantis shrimp. The crustacean group can be treated as a subphylum under the clade Mandibulata. It is now well accepted that the hexapods (insects and entognathans) emerged deep in the Crustacean group, with the completed pan-group referred to as Pancrustacea. The three classes Cephalocarida, Branchiopoda and Remipedia are more closely related to the hexapods than they are to any of the other crustaceans ( oligostracans and multicrustaceans). The 67,000 described species range in size from '' Stygotantulus stocki'' at , to the Japanese ...
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Order (biology)
Order () is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between family and class. In biological classification, the order is a taxonomic rank used in the classification of organisms and recognized by the nomenclature codes. An immediately higher rank, superorder, is sometimes added directly above order, with suborder directly beneath order. An order can also be defined as a group of related families. What does and does not belong to each order is determined by a taxonomist, as is whether a particular order should be recognized at all. Often there is no exact agreement, with different taxonomists each taking a different position. There are no hard rules that a taxonomist needs to follow in describing or recognizing an order. Some taxa are accepted almost universally, while others are recognized only rarely. The name of an order is usually written with a capital letter. For some groups of organisms, their orders may follow consist ...
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Isopoda
Isopoda is an order of crustaceans. Members of this group are called isopods and include both aquatic species and terrestrial species such as woodlice. All have rigid, segmented exoskeletons, two pairs of antennae, seven pairs of jointed limbs on the thorax, and five pairs of branching appendages on the abdomen that are used in respiration. Females brood their young in a pouch under their thorax called the marsupium. Isopods have various feeding methods: some eat dead or decaying plant and animal matter, others are grazers or filter feeders, a few are predators, and some are internal or external parasites, mostly of fish. Aquatic species mostly live on the seabed or the bottom of freshwater bodies of water, but some taxa can swim for short distance. Terrestrial forms move around by crawling and tend to be found in cool, moist places. Some species are able to roll themselves into a ball as a defense mechanism or to conserve moisture like species in the family Armadilli ...
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Cymothoida
Cymothoida is a suborder of Isopoda, isopod crustaceans with a mostly Carnivore, carnivorous or Parasite, parasitic lifestyle. It contains more than 2,700 described species in four Taxonomic rank#Ranks in zoology, superfamilies. Members of the suborder are characterised by their specialised mouthparts which include a mandible with a tooth-like process which is adapted for cutting or slicing. Classification Cymothoida contains these superfamilies and families: *Superfamily Anthuroidea Leach, 1814 **Antheluridae Poore & Lew Ton, 1988 **Anthuridae Leach, 1814 **Expanathuridae Poore, 2001 **Hyssuridae Wägele, 1981 **Leptanthuridae Poore, 2001 **Paranthuridae Menzies & Glynn, 1968 *Superfamily Cymothooidea Leach, 1814 **Aegidae White, 1850 **Anuropidae Stebbing, 1893 **Barybrotidae Hansen, 1890 **Cirolanidae Dana, 1852 **Corallanidae Hansen, 1890 **Cymothoidae Leach, 1818 **Gnathiidae Leach, 1814 **Protognathiidae Wägele & Brandt, 1988 **Tridentellidae Bruce, 1984 *Infraorder Epica ...
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Isopods Of The Pacific Ocean
Isopoda is an order of crustaceans. Members of this group are called isopods and include both aquatic species and terrestrial species such as woodlice. All have rigid, segmented exoskeletons, two pairs of antennae, seven pairs of jointed limbs on the thorax, and five pairs of branching appendages on the abdomen that are used in respiration. Females brood their young in a pouch under their thorax called the marsupium. Isopods have various feeding methods: some eat dead or decaying plant and animal matter, others are grazers or filter feeders, a few are predators, and some are internal or external parasites, mostly of fish. Aquatic species mostly live on the seabed or the bottom of freshwater bodies of water, but some taxa can swim for short distance. Terrestrial forms move around by crawling and tend to be found in cool, moist places. Some species are able to roll themselves into a ball as a defense mechanism or to conserve moisture like species in the family Armadillididae ...
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