Acotylea is a suborder of free-living marine turbellarian flatworms in the order Polycladida.
Description
As currently defined, Acotylea includes polyclads with a Lang's vesicle in the female reproductive system and the male copulatory apparatus directed backwards. When tentacles are present, they are nuchal. The eyespot groups can be nuchal, cerebral, and marginal.
Taxonomy
The internal classification of Acotylea has been unstable, with some genera and families constantly changing place as new molecular and morphological data are analyzed. The current classification is presented below:
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Superfamily Leptoplanoidea Faubel, 1984
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Family Candimboididae Faubel, 1983
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Family Euplanidae Marcus & Marcus, 1966
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Family Faubelidae Ozdikmen, 2010
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Family Gnesiocerotidae Marcus and Marcus, 1966
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Family Leptoplanidae Stimpson, 1857
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Family Mucroplanidae Faubel, 1983
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Family Notocomplanidae Litvaitis, Bolaños & Quiroga, 2019
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Family Notoplanidae Marcus and Marcus, 1966
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Family Palauidae Faubel, 1983
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Family Pleioplanidae Faubel, 1983
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Family Pseudostylochidae Faubel, 1983
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Family Stylochoplanidae Meixner, 1907
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Superfamily Stylochoidea Stimpson, 1857
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Family Callioplanidae Hyman, 1953
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Family Discoprosthididae Faubel, 1983
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Family Hoploplanidae Stummer-Traunfels, 1933
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Family Idioplanidae Dittmann, Cuadrado, Aguado, Noreña & Egger, 2019
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Family Latocestidae Laidlaw, 1903
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Family Planoceridae Lang, 1884
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Family Plehniidae Bock, 1913
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Family Stylochidae Stimpson, 1857
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Not placed in any Superfamily
See also
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