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Chaetosomatida
Chaetosomatida is a small group of minute, free-living, aquatic organisms which are usually placed as an annex to the nematode, Nematoda. Historical description In 1878 Élie Metchnikoff, who provided the original description of these forms, called them "creeping Nematoda". They are usually found amongst seaweed in temperate seas, but they are probably widely distributed; some are fresh-water. The genus ''Chaetosoma (worm), Chaetosoma'', with the two species ''Ch. claparedii'' and ''Ch. ophicephalum'' and the genus ''Tristicochaeta'', have swollen heads. The third genus ''Rhabdogaster'' has no such distinct head, though the body may be swollen anteriorly. The mouth is terminal and anterior and surrounded by a ring of spicules or a half-ring of hooks. Scattered hairs cover the body. Just in front of the anus there is in ''Chaetosorna'' a double, and in ''Tristicochaeta'' a triple row of about fifteen stout cylindrical projections upon which the animals creep. The females are a littl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaetosoma Chalaredii
''Chaetosoma'' is a genus of beetles in the family Chaetosomatidae. There are at least two described species in ''Chaetosoma'', found in New Zealand. The name ''Chaetosoma'' was published twice prior to 1851, but these older uses have been declared unavailable under the International Code of Zoological Nomenclature, ICZN.ICZN (2011) OPINION 2287 (Case 3513) ''Chaetosoma'' Westwood, 1851, ''Apodasya'' Pascoe, 1863 and CHAETOSOMATIDAE Crowson, 1952 (Insecta, Coleoptera): usage conserved. Species These two species belong to the genus ''Chaetosoma'': * ''Chaetosoma colossa'' Opitz, 2010 * ''Chaetosoma scaritides'' Westwood, 1851 Chaetosoma scaritides - inat 177093027.jpg, ''Chaetosoma scaritides'' Chaetosoma colossa - inat 251115484.jpg, 'Chaetosoma colossa'' References External links * * Cleroidea genera Chaetosomatidae {{Cleroidea-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |