English
Species (222)
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
- Opercularia agabi
- Opercularia asselicola
- Opercularia astacicola
- Opercularia gammeri
- Opercularia sinuans
- Opercularia subcorethrae
- Opercularia arenicola
- Opercularia tretzeli
- Operculigera obstipa
- Operculigera parastacis
- Operculigera striata
- Operculina opercularia
- Operculigera velata
- Opercularia microdiscum
- Opercularia parasitica
- Epistylis coarctata Dumas
- Pyxidium invaginatum Stokes 1887
- Pyxidium stammeri
- Pyxidium aselli ssp. aselli
- Opercularia berberina ssp. berberina
- Opercularia articulata ssp. articulata
- Opercularia corisae ssp. corisae
- Orbobercularia dominiki Schödel 2004
- Orbopercularia berberina Lust 1950
- Orbopercularia nodosa Foissner 1979
- Opercularia coarctata Claparède & Lachmann 1858
- Opercularia confervarum Faure-Fremiet 1905
- Opercularia confusa Stiller 1940
- Opercularia constricta Kellicott 1885
- Opercularia corethrae Keiser 1921
- Opercularia cylindrata Wrzesniowski 1870
- Opercularia curvicaulis Penard 1922
- Opercularia dytiscidarum Faure-Fremiet 1905
- Opercularia fabrei Faure-Fremiet 1905
- Opercularia elongata Kellicott 1884
- Opercularia gammari Faure-Fremiet 1905
- Opercularia faurei Collin 1909
- Opercularia glomerata Roux 1901
- Opercularia gracilis Faure-Fremiet 1904
- Opercularia henneguyi Faure-Fremiet 1905
- Opercularia humilis Kellicott 1887
- Opercularia hydrachinidarum Faure-Fremiet 1905
- Opercularia irritabilis Kempel ?
- Opercularia lichtensteini Stein 1868
- Opercularia medians Collin 1909
- Opercularia microdiscus Faure-Fremiet 1904
- Opercularia microstoma Stein 1868
- Opercularia minima Kahl 1935
- Opercularia protecta Penard 1922
- Opercularia plicatilis Stokes 1884
- Opercularia rugosa Kellicott 1884
- Opercularia stenostoma Stein 1854
- Opercularia venusta Foissner 1979
- Opercularia vestita Stokes 1887
- Opercularia wallengreni Grier ?
- Opercularia zschokkei Keiser 1921
- Operculariella parasitica Stammer 1948
- Operculigera asymmetrica Clamp 1991
- Operculigera insolita Clamp 1991
- Operculigera montanea Kane 1969
- Operculigera opstipa Clamp 1991
- Operculigera seticola Clamp 1991
- Operculigera taura Clamp 1991
- Opercularia arboricola Biegel 1954
- Opercularia archiorbopercularia Foissner 1979
- Opercularia articulata Goldfuss 1820
- Opercularia arenicola Greeff 1873
- Opercularia asellicola Kahl 1935
- Opercularia asymmetrica Biczok 1956
- Opercularia berberina Linnaeus ?
- Opercularia clepsinis Popow 1904
- Opercularia naucoris Faure-Fremiet 1905
- Opercularia nutans Ehrenberg 1831
- Opercularia nautonectae Faure-Fremiet 1905
- Opercularia parallela Kirk 1885
- Opercularia niagarae Kellicott ?
- Opercularia penardi Kahl 1935
- Opercularia phryganeae Kahl 1935
- Opercularia ramosa Stokes 1889
- Pyxidium asymmetricum Biczok 1956
- Pyxidium bosminae Kahl 1935
- Pyxidium collare Kahl 1935
- Pyxidium cothurnioides Kent 1881
- Pyxidium canthocampti Penard 1922
- Pyxidium curvicaule Penard 1922
- Pyxidium hebes Kellicott 1888
