(Elliptio) (Elliptio) is a biological genus in the family Unionidae and order Unionoida.
Elliptio arca
Elliptio shepardiana
Elliptio hopetonensis
Elliptio spinosa
Elliptio producta
Elliptio cistellaeformis
Elliptio fraterna
Elliptio hepatica
Elliptio marsupiobesa
Elliptio angustata
Elliptio congaraea
Elliptio raveneli
Elliptio chipolaensis
Elliptio arctata
Elliptio complanata
Elliptio crassidens
Elliptio cylindracea
Elliptio fumata
Elliptio occulta
Elliptio pullata
Elliptio purpurella
Elliptio jayensis
Elliptio mcmichaeli
Elliptio dariensis
Elliptio fisheriana
Elliptio errans
Elliptio judithae
Elliptio folliculata
Elliptio roanokensis
Elliptio downiei
Elliptio ahenea
Elliptio dilatata
Elliptio monroensis
Elliptio steinstansana
Elliptio icterina
Elliptio waccamawensis
Elliptio nigella
Elliptio lanceolata
Actinonaias
Aculamprotula
Acuticosta
Alasmidonta
Amblema
Anemina
Anodonta
Anodontoides
Arcidens
Arcidopsis
Arconaia
Arotonaias
Barynaias
Brazzaea
Caudiculatus
Chamberlainia
Coelatura
Contradens
Cristaria
Ctenodesma
Cuneopsis
Cyclonaias
Cyprogenia
Cyrtonaias
Delphinonaias
Diaurora
Discomya
Disconaias
Dromus
Ellipsaria
Elliptio
Elliptoideus
Elongaria
Ensidens
Epioblasma
Friersonia
Fusconaia
Germainaia
Gibbosula
Glebula
Gonidea
Grandidieria
Haasodonta
Hamiota
Harmandia
Hemistena
Hyriopsis
Inversidens
Inversiunio
Lamellidens
Lamprotula
Lampsilis
Lanceolaria
Lasmigona
Leguminaia
Lemiox
Lepidodesma
Leptodea
Ligumia
Martensnaias
Medionidus
Megalonaias
Microcondylaea
Micronaias
Modellnaia
Nephritica
Nephronaias
Nitia
Nodularia
Nyassunio
Obliquaria
Obovaria
Ortmanniana
Oxynaia
Pachynaias
Parreysia
Pegias
Physunio
Pilsbryoconcha
Plectomerus
Plethobasus
Pleurobema
Pleuronaia
Popenaias
Potamilus
Potomida
Pressidens
Prisodontopsis
Prohyriopsis
Pronodularia
Protunio
Pseudanodonta
Pseudobaphia
Pseudodon
Pseudodontopsis
Pseudospatha
Psoronaias
Psorula
Ptychobranchus
Ptychorhynchus
Pyganodon
Quadrula
Radiatula
Rectidens
Reticulatus
Rhombuniopsis
Scabies
Schepmania
Schistodesmus
Simpsonaias
Simpsonella
Sinanodonta
Solenaia
Sphenonaias
Strophitus
Theliderma
Toxolasma
Trapezoideus
Tritogonia
Truncilla
Unio
Uniomerus
Unionetta
Utterbackia
Venustaconcha
Villosa