English
Species (22.489)
Ophrydium versatile Müller 1786 ssp. versatile- Ophryodendron belgicum
- Ophryodendron halacaridis
- Ophryodendron macquariae
- Ophryodendron multicapitatum
- Ophryodendron prenanti
- Onychodromopsis kahli
- Onychodromus quadricornatus
- Onychodromus strenuus
- Dinophrya lieberkuehnii
- Opalina uncinata Schultze 1851
- Opalina recurva Claparède & Lachmann 1859
- Opercularia acilii
- Onochaspis leptaspis
- Onychodactylus acrobates Entz 1884
- Onychaspis leptaspis
- Onychaspis aculeata
- Oolina apiculata
- Oxytricha minor Kahl 1932
- Opalina mytili Quennerstedt 1867
- Opalina lumbrici Dujardin 1841
- Opalina planariarum Siebold 1839
- Bursaria leucas
- Ophryoglena cinerea
- Ophryoglena aurantiaca
- Ophryoglena caeca
- Ophryodendron variabilis
- Ophryoglena griseovirens
- Ophryoglena griseo-virens
- Ophryoglena minima
- Ophryoglena monophthalma
- Ophryoglena obliquisetae
- Ophryoglena pectans
- Orbopercularia hyphidri
- Orbopercularia henneguyi
- Orbopercularia lusti
- Orbopercularia illustris
- Orbopercularia philydri
- Orbopercularia pulchra
- Orbopercularia quasiinvoluta
- Orbopercularia pleae
- Orbopercularia scheloskei
- Orbopercularia quinquaginta
- Orbopercularia scheubeli
- Orbopercularia scyphostyla
- Orbopercularia siewingi
- Orbopercularia steffani
- Orbopercularia triangulata
- Orbopercularia tobsinella
- Orbopercularia wetzeli
- Orbopercularia valvata
- Orbopyxidiella grelli
- Orbopyxidiella kahli
- Orbopyxidiella helophori
- Orbopyxidiella matthesi
- Orbopyxidiella minuta
- Orbulina bituminosa
- Tintinnopsis lacustris ssp. magna
- Tintinnopsis lacustris Faure-Fremiet 1924 ssp. laevis
- Opercularia agabi
- Opercularia asselicola
- Opercularia astacicola
- Opercularia gammeri
- Opercularia sinuans
- Amphisia micans
- Opercularia subcorethrae
- Opercularia arenicola
- Opercularia tretzeli
- Operculigera obstipa
- Operculigera parastacis
- Operculigera striata
- Operculina opercularia
- Operculigera velata
- Ophryodendron pedunculatum
- Ophryodendron pedicellatum
- Ophryodendron roscoffensis
- Ophryodendron sertulariae
- Oxitricha felis Müller 1786
- Oxitricha ambigua Müller 1786
- Vaginicola longicolis
- Oxytricha affine
- Oxytricha capitata Pereyaslawezewa 1886
- Oxytricha dujardiniana Diesing 1966
- Oxytricha fennica
- Oxytricha feruginea Stein 1859
- Oxytricha furcatus Smith 1897
- Oxytricha granulosa Schmitz 1986
- Oxytricha saltans Cohn 1866
- Oxytricha torrenticola
- Oxytricha velox Quennerstedt 1869
- Oxytricha variabilis Bory 1824
- Oxitricha pellionella Müller 1773
- Oxychodromus grandis
- Paradileptus minutus
- Oxytricha fusiformis
- Actinobolina piriformis
- Oxytricha gracilis Kahl 1932
- Oxytricha vorax Stokes 1891
- Tintinnopsis meunieri ssp. minima
- Oxytricha hymenostomata
