Familia:Opalinidae
Genera:Bezzenbergeria –Cepedea –Hegneriella –Opalina –Protoopalina –Protozelleriella –Zelleriella

OpalinidaeC.Vogt, Zool. Briefe: 94. 1850 (“Opalinida”).

• ProtoopalininaeM.M.Metcalf, Smiths. Inst. US Natl Mus Bull. 120: 29 (1923),pro subfam.
• HegneriellinaeEarl, Acta Protozool. 9: 46 (1971),pro subfam.

• Vogt, C. 1850-1852.Zoologische Briefe. Naturgeschichte der lebenten und untergegangenen Thiere, für Lehrer, höhere Schulen und Gebildete aller Stände. Frankfurt am Main: Literarische Anstalt (J. Rütten),Band 1: 1-192 [4-7 Dec 1850], 193-384 [19-22 Mar 1851], 385-576 [21-24 Mai 1851], 577-719 [6-9 Aug 1851 ];Band 2: 1-64 [6-9 Aug 1851], 65-256 [8-11 Oct 1851], 257-432 [10-13 Dec 1851], 433-640 [5-8 Mai 1852].DOI:10.5962/bhl.title.1369Reference page. 
• Earl, P.R. 1971.Hegneriella dobelli gen. n., sp. n., (Opalinidae) fromBufo valliceps and some remarks on the systematic position of the Opalinidae.Acta Protozoologica 9(3): 41–48.PDF (Full volume)Reference page. 

Kahl, A. 1930–35. Urtiere oder Protozoa I: Wimpertiere oder Ciliata (Infusoria). In: Die Tierwelt Deutschlands 18, (Ed. F. Dahl). 4 vols. G. Fischer, Jena,[1],[2].

Patterson, D.J. 1978. Kahl's Keys to the Ciliates. Translation of the keys from 'Wimpertiere oder Ciliata'. 1978, University of Bristol,[3].

• PhylumProtozoa Goldfuss, 1817
  • SuperklasseCiliophora Doflein, 1901
    • KlasseProtociliata Metcalf
      • Fam.Opalinidae
    • KlasseEuciliata Metcalf
      • UnterklasseInfusoria Ledermüller, 1760
      • UnterklasseSuctoria

FromProtozoology, 4th ed.,[4].

PhylumProtozoa Goldfuss

• SubphylumCiliophora Doflein
  • Class 1Ciliata Perty
    • Subclass 1Protociliata Metcalf
      • FamilyOpalinidae Claus
        • GenusOpalina Purkinje and Valentin, GenusCepedea Metcalf, GenusProtoopalina Metcalf, GenusZelleriella Metcalf
    • Subclass 2Euciliata Metcalf
  • Class 2Suctoria Claparède and Lachmann

FromThe Diversity of Eukaryotes

InStramenopiles,Slopalines
CladeOpalinidae

Delvinquier, B.L.J. & Patterson, D.J., 2000. Order Slopalinida Patterson, 1989. In: Lee, J.J., Leedale, G.F. & Bradbury, P.An Illustrated Guide to the Protozoa. Society of Protozoologists/Allen Press: Lawrence, Kansas, U.S.A, 2nd ed., vol. 2, p. 754-759,[5]. See Brands, S.J. (1989-2015),[6].

In “protozoa”, “stramenopiles”

• OrderSlopalinida
  • FamilyProteromonadidae
  • FamilyOpalinidae
    • GenusProtozelleriella Delvinquier, Markus & Passmore, 1991
    • GenusZelleriella Metcalf, 1920, nom. nud.
    • GenusProtoopalina Metcalf, 1918
    • GenusCepedea Metcalf, 1920
    • GenusOpalina Purkinje & Valentin, 1835
    • GenusBezzenbergeria [invalid]
    • GenusHegneriella [invalid]

• Carl Vogt taxa

• Pages with taxonavigation templates