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Haplotestis Curvitubus
''Haplotestis'' is a genus of acoels belonging to the family Otocelididae Otocelididae is a family of acoels. Taxonomy Genera There are five genera in the family Otocelididae: * ''Archocelis'' Dörjes, 1968 * ''Exocelis'' Ehlers & Dörjes, 1979 * ''Haplotestis'' Dörjes, 1968 * ''Philocelis'' Dörjes, 1968 * ''Postic .... Species: * ''Haplotestis curvitubus'' Dörjes, 1968 References Acoela {{xenacoelomorpha-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acoel
Acoela, or the acoels, is an order of small and simple invertebrates in the subphylum Acoelomorpha of phylum Xenacoelomorpha, a deep branching bilaterian group of animals, which resemble flatworms. Historically they were treated as an order of turbellarian flatworms. About 400 species are known, but probably many more not yet described. The etymology of "acoel" is from the Ancient Greek words (), the ''alpha privative'', expressing negation or absence, and (), meaning "cavity". This refers to the fact that acoels have a structure lacking a fluid-filled body cavity. Description Acoels are very small flattened worms, usually under in length, but some larger species, such as ''Symsagittifera roscoffensis'', may reach up to . They are bilaterally symmetric and microscopic. They are found worldwide in marine and brackish waters, usually having a benthos, benthic lifestyle, although some species are epibionts. Two species, ''Limnoposthia polonica'' and ''Oligochoerus limnophilu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Otocelididae
Otocelididae is a family of acoels. Taxonomy Genera There are five genera in the family Otocelididae: * ''Archocelis'' Dörjes, 1968 * ''Exocelis'' Ehlers & Dörjes, 1979 * ''Haplotestis'' Dörjes, 1968 * ''Philocelis'' Dörjes, 1968 * ''Posticopora'' Kozloff, 2000 Species The following species are recognised in the family Otocelididae. Notes References Acoela {{Xenacoelomorpha-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |