Page last updated Wed 05 Feb 2020


Image from Micrographia Gallery.

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  Family Collothecidae

Genus Collotheca (+ Hyalocephalus)

    Species C. ambigua -- North America.
    Species C. atrochoides -- North America.
    Species C. campanulata -- North America.
    Species C. edentata -- North America.
    Species C. gracilipes -- North America.
    Species C. heptabrachiata -- North America.
    Species C. hoodi -- North America.
    Species C. judayi -- North America.
    Species C. libera -- North America.
    Species C. mutabilis -- North America.
    Species C. ornata -- North America.
    Species C. pelagica -- North America.
    Species C. polyphema -- North America.
    Species C. riverai -- North America.
    Species C. stephanochaeta -- North America.
    Species C. tenuilobata -- North America.
    Species C. trilobata -- North America.
    Species C. vargai -- North America.
    Species C. algicola
    Species C. annulata
    Species C. appendiculata
    Species C. balatonica
    Species C. bilfingeri
    Species C. bulbosa
    Species C. calva
    Species C. cornuta
    Species C. coronetta
    Species C. crateriformis
    Species C. croatica
    Species C. cucullata
    Species C. cyclops
    Species C. decora
    Species C. diadema
    Species C. discophora
    Species C. edmondsoni
    Species C. epizootica
    Species C. evansonii
    Species C. ferox
    Species C. gossei
    Species C. lettevalli
    Species C. longicaudata
    Species C. longilobata
    Species C. millsii
    Species C. minuta
    Species C. monoceros
    Species C. moselii
    Species C. noodi
    Species C. pentacornis
    Species C. proboscidea
    Species C. quadrilobata
    Species C. quadrinodosa
    Species C. rasmae
    Species C. regalis
    Species C. sessilis
    Species C. thunmarki
    Species C. torquilobata
    Species C. trifidlobata
    Species C. trifolium
    Species C. undulata
    Species C. uniloba
    Species C. wiszniewskii

Taxon Information

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

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

Literature Records

  • Collotheca, [North America] (Wallace & Snell, 2010).
  • Collotheca, (Segers, 2007).
  • Collotheca, some species free-swimming; many species [North America] (Smith, 2001).
  • Collotheca, [North Central United States] (Underhill et al., 1982).
  • Collotheca, (Edmondson, 1959).
  • Hyalocephalus, (Edmondson, 1959).


  • Wallace, R.L. & T.W. Snell. 2010. Rotifera. [in] J.H. Thorp & A.P. Covich (eds.). Ecology and Classification of North American Freshwater Invertebrates, 3rd edition: 173-235.
  • Segers, H. 2007. Annotated checklist of the rotifers (Phylum Rotifera), with notes on nomenclature, taxonomy and distribution. Zootaxa 1564. 104 pp. [Available online]
  • Smith, D.G. 2001. Rotifera (Wheel animals). Pennak's Freshwater Invertebrates of the United States, 4th edition: 129-190.
  • Underhill, J.C., W.D. Schmid & D.E. Gilbertson. 1982. Taxonomic Keys to the Common Animals of the North Central States, exclusive of the parasitic worms, terrestrial insects, and birds, 4th edition. 205 pp.
  • Edmondson, W.T. 1959. Rotifera. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 420-494.

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