(Castalia) (Castalia) is a biological genus in the family Hyriidae and order Unionoida.
Castalia ambigua
Castalia cordata
Castalia crosseana
Castalia ecarinata
Castalia inflata
Castalia martensi
Castalia multisulcata
Castalia nehringi
Castalia orbignyi
Castalia orinocensis
Castalia psammoica
Castalia stevensi
Castalia undosa
Alathyria
Callonaia
Castalia
Castaliella
Cucumerunio
Diplodon
Echyridella
Hyridella
Lortiella
Microdontia
Prisodon
Triplodon
Velesunio
Virgus
Westralunio