Order Collothecaceae

Family Coliothecidae

• Genus Collotheca
  • Collotheca mutabilis
  • Collotheca pelagica

Family Conochiliidae

• Genus Conochiloides
  • Conochiloides coenobasis
• Conochiloides dossuarius
• Conochiloides natans

• Genus Conochilus
  • Conochilus hippocrepis
  • Conochilus unicornis

Family Hexarthridae

• Genus Hexarthra
  • Hexarthra mira

Family Testudinellidae

• Genus Filinia
  • Filinia longiseta
  • Filinia terminalis

• Genus Pompholyx
  • Pompholyx sulcata

• Genus Asplanchna
  • Asplanchna brightwelli
  • Asplanchna herricki
  • Asplanchna priodonta

• Genus Anuraeopsis
  • Anuraeopsis fissa
  • Anuraeopsis navicula

• Genus Brachionus
  • Brachionus angularis
  • Brachionus calyciflorus
  • Brachionus caudatus
  • Brachionus havanaensis

• Genus Euchlanis
  • Euchlanis dilatata
  • Euchlanis triquetra

• Genus Kellicottia
  • Kellicottia bostoniensis
  • Kellicottia longispina

• Genus Keratella
  • Keratella cochlearis
  • Keratella crassa
  • Keratella earlinae
  • Keratella hiemalis
  • Keratella quadrata
  • Keratella serrulata
  • Keratella taurocephala
  • Keratella tecta
  • Keratella testudo
  • Keratella valga

• Genus Notholca
  • Notholca acuminata
  • Notholca caudata
  • Notholca foliacea
  • Notholca labis
  • Notholca laurentiae
  • Notholca michiganesis
  • Notholca squamula

• Genus Platyias
  • Platyias patulus
  • Platyias quadricornis

Family Gastropidae

• Genus Ascomorpha
  • Ascomorpha ecaudis
  • Ascomorpha saltans

• Genus Gastropus
  • Gastropus hyptopus
  • Gastropus stylifer

Family Lecanidae

• Genus Lecane
  • Lecane crepida
  • Lecane inermis
  • Lecane ludwigi
  • Lecane luna
  • Lecane mira
  • Lecane ohioensis
  • Lecane stokesi
  • Lecane tudicola
  • Lecane ungulata

• Genus Monostyla
  • Monostyla bulla
  • Monostyla copeis
  • Monostyla closterocerca
  • Monostyla lunaris
  • Monostyla quadridentata
  • Monostyla stenroosi

• Genus Bipalpus
  • Bipalpus hudsoni

• Genus Ploesoma
  • Ploesoma lenticulare
  • Ploesoma truncatum

• Genus Polyarthra
  • Polyarthra dolichoptera
  • Polyarthra euryptera
  • Polyarthra major
  • Polyarthra remata
  • Polyarthra vulgaris

• Genus Synchaeta
  • Synchaeta asymmetrica
  • Synchaeta grandis
  • Synchaeta kitina
  • Synchaeta lakowitziana
  • Synchaeta oblonga
  • Synchaeta pectinata
  • Synchaeta stylata
  • Synchaeta tremula

• Genus Trichocerca
  • Trichocerca cylindrica
  • Trichocerca multicrinis
  • Trichocerca porcellus
  • Trichocerca rousseleti
  • Trichocerca similis