Family
ISOGNOMONIDAE
Genera
Anisoperna
Aviculoperna
Casteria
Cranatula
Crenatula
Crenatuligenus
Dalacia
Edentula
Esogonum
Gervilleioperna
Hippochaeta
Hypochaeta
Isognoma
Isognomon
Isognomon
Subgenera of Isognomon
Crenatula
Isognomon
Isogonum
Genera (continued)
Isognomum
Isognonum
Isogonum
Leproconcha
Linscallia
Linsdallia
Malleoperna
Melina
Melina
Mimonion
Mulletia
Mytiloperna
Mytiloperna
Pachyperna
Parviperna
Pedalion
Pedalion
Permoperna
Perna
Perna
Pernaria
Pernaridea
Pernigenus
Rostroperna
Rugoverticula
Satura
Tambanella
Waagenoperna
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