Araeolaimida
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Chromadorea
The Chromadorea are a class of the roundworm phylum, Nematoda. They contain a single subclass (Chromadoria) and several orders. With such a redundant arrangement, the Chromadoria are liable to be divided if the orders are found to form several clades, or abandoned if they are found to constitute a single radiation. Formerly, they were treated as a subclass in the paraphyletic " Adenophorea" assemblage, which has been mostly abandoned by modern authors. It is also suspected that the Chromadorea may not be monophyletic as delimited here; at least the Monhysterida seem to be a distinct and far more ancient lineage than the rest. Members of this class' bodies usually have annules, their amphids elaborate and spiral, and they all have three esophageal glands. They usually live in marine sediments, although they can live elsewhere. They have a more sophisticated pharynx than most roundworms. Members of this class can be identified by the presence of eight conserved signature inde ...
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Axonolaimidae
Axonolaimidae is a family of nematodes belonging to the order Araeolaimida Araeolaimida is an order of marine free living nematodes. References Araeolaimidaat WoRMS Nematode orders {{chromadorea-stub .... Genera Genera: * '' Aequalodontium'' Smolyanko & Belogurov, 1993 * '' Alaimonema'' * '' Anplostoma'' References {{Taxonbar, from=Q4142133 Nematodes ...
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Bastianiidae
Bastianiidae is a family of nematodes belonging to the order Araeolaimida Araeolaimida is an order of marine free living nematodes. References Araeolaimidaat WoRMS Nematode orders {{chromadorea-stub .... Genera: * '' Bastiania'' de Man, 1876 * '' Dintheria'' de Man, 1921 References Nematodes {{Chromadorea-stub ...
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Diplopeltidae
Diplopeltidae is a family of roundworms The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with plant-parasitic nematodes also known as eelworms. They are a diverse animal phylum inhabiting a broa ... in the class Adenophorea. Genera There are two systems of classification of the genera of Diplopeltidae. The first divides the genera into subfamilies, while the other does not. The organisation of Diplopeltidae by subfamilies: * Cylindrolaiminae ** '' Cylindrolaimus'' de Man, 1880 * Diplopeltinae Filipjev, 1918 ** '' Araeolaimus'' de Man, 1888 ** '' Campylaimus'' Cobb, 1920 ** ''Diplopeltis'' Cobb, 1905 ** '' Diplopeltula'' Gerlach, 1950 ** ''Metaraeolaimoides'' de Conninck, 1936 ** '' Morlaixia'' Vincx & Gourbault, 1988 ** '' Pararaeolaimus'' Timm, 1961 ** ''Pseudaraeolaimus'' Chitwood, 1951 ** '' Southerniella'' Allgén, 1932 ** '' Striatodora'' Timm, 1961 * ''Incertae subfamiliae'' ** '' ...
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Isolaimiidae
Isolaimiidae is a family of nematodes belonging to the order Araeolaimida Araeolaimida is an order of marine free living nematodes. References Araeolaimidaat WoRMS Nematode orders {{chromadorea-stub .... Genera: * '' Isolaimium'' Cobb, 1920 References Nematodes {{chromadorea-stub ...
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Rhabdolaimidae
Rhabdolaimidae is a family of nematodes belonging to the order Araeolaimida Araeolaimida is an order of marine free living nematodes. References Araeolaimidaat WoRMS Nematode orders {{chromadorea-stub .... Genera: * '' Mediolaimus'' Tahseen, Sultana, Khan & Hussain, 2012 * '' Rhabdolaimus'' de Man, 1880 * '' Rogerus'' Hoeppli & Chu, 1934 * '' Syringolaimus'' de Man, 1888 * '' Udonchus'' Cobb, 1913 References Nematode families {{Nematode-stub ...
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Teratocephalidae
Teratocephalidae is a family of nematodes belonging to the order Araeolaimida Araeolaimida is an order of marine free living nematodes. References Araeolaimidaat WoRMS Nematode orders {{chromadorea-stub .... Genera: * '' Euteratocephalus'' Andrássy, 1958 * '' Teratocephalus'' de Man, 1876 References {{Taxonbar, from=Q4147551 Nematodes ...
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Tripyloididae
Tripyloididae is a family of nematodes belonging to the order Araeolaimida. Characteristics The following traits define the genus: * the amphid is located posterior to the buccal cavity * the spicule is wide * the gubernaculum has little teeth * the tail is conico-cylindrical * the male reproductive system consists of a single testis * the female didelphic has reflexed ovaries The ovary is an organ in the female reproductive system that produces an ovum. When released, this travels down the fallopian tube into the uterus, where it may become fertilized by a sperm. There is an ovary () found on each side of the body. T .... Genera Genera: * '' Arenasoma'' Yeates, 1967 * '' Bathylaimoides'' Allgén, 1959 * '' Bathylaimus'' Cobb, 1894 * '' Ingenia'' Gerlach, 1957 Species '' Tripyloides acherusius'' '' Tripyloides amazonicus'' '' Tripyloides amoyanus n. sp.'' '' Tripyloides brevis'' '' Tripyloides caudaensis'' '' Tripyloides gracilis'' '' Tripyloides granulatus' ...
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Animal
Animals are multicellular, eukaryotic organisms in the Kingdom (biology), biological kingdom Animalia. With few exceptions, animals Heterotroph, consume organic material, Cellular respiration#Aerobic respiration, breathe oxygen, are Motility, able to move, can Sexual reproduction, reproduce sexually, and go through an ontogenetic stage in which their body consists of a hollow sphere of Cell (biology), cells, the blastula, during Embryogenesis, embryonic development. Over 1.5 million Extant taxon, living animal species have been Species description, described—of which around 1 million are Insecta, insects—but it has been estimated there are over 7 million animal species in total. Animals range in length from to . They have Ecology, complex interactions with each other and their environments, forming intricate food webs. The scientific study of animals is known as zoology. Most living animal species are in Bilateria, a clade whose members have a Symmetry in biology#Bilate ...
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Nematode
The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with plant- parasitic nematodes also known as eelworms. They are a diverse animal phylum inhabiting a broad range of environments. Less formally, they are categorized as Helminths, but are taxonomically classified along with arthropods, tardigrades and other moulting animals in the clade Ecdysozoa, and unlike flatworms, have tubular digestive systems with openings at both ends. Like tardigrades, they have a reduced number of Hox genes, but their sister phylum Nematomorpha has kept the ancestral protostome Hox genotype, which shows that the reduction has occurred within the nematode phylum. Nematode species can be difficult to distinguish from one another. Consequently, estimates of the number of nematode species described to date vary by author and may change rapidly over time. A 2013 survey of animal biodiversity published in the mega ...
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