Page last updated Wed 05 Feb 2020


Use the links to navigate the hierarchy of invertebrate classification.

  Subfamily Polycystidinae

Genus Opisthocystis (+ Klattia)

    Species O. goettei -- North America.
    Species O. abyssalis
    Species O. aleksandri
    Species O. angarensis
    Species O. bilobata
    Species O. campanulata
    Species O. cariottus
    Species O. curvistylus
    Species O. drobyshevae
    Species O. evdonini
    Species O. hendelbergi
    Species O. humilistylus
    Species O. igori
    Species O. intersticialis
    Species O. joffei
    Species O. kornilorum
    Species O. kotikovae
    Species O. marinae
    Species O. meyeri
    Species O. multifidus
    Species O. novikovae
    Species O. novitzkyi
    Species O. octopropagostylus
    Species O. pedistylus
    Species O. riegeri
    Species O. sabussovi
    Species O. seehauseni
    Species O. selavinovae
    Species O. sokolovi
    Species O. stepashi
    Species O. sturmbaueri
    Species O. trifida
    Species O. trifidostylus
    Species O. umylinae
    Species O. votyakovi
    Species O. wilkei
    Species O. zerbstboroffkae

Taxon Information

The Genus Opisthocystis has been reported (or is assumed) to occur in fresh waters. This taxon has been reported from North America.

(These statements were generated automatically from the WInvertebrates database.)

Literature Records

  • Opisthocystis, (Artois et al., 2013).
  • Opisthocystis, 1 rare species [North America] (Smith, 2001).
  • Polycystis, "Single species known from freshwater in [North America]" (Hyman & Jones, 1959).
  • Klattia, "Single species" (Hyman & Jones, 1959).


  • Artois, T., E. Schockaert & S. Tyler. 2013. World Checklist of Freshwater Turbellaria. World Wide Web electronic publication. 59 pp. [Available online]
  • Smith, D.G. 2001. Platyhelminthes (free-living flatworms). Pennak's Freshwater Invertebrates of the United States, 4th edition: 77-108.
  • Hyman, L.H. & E.R. Jones. 1959. Turbellaria. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 323-365.

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