Idmoneidae Busk, 1859
Idmonea angustata Maplestone, 1908
Idmonea atlantica Forbes, 1847
Idmonea australis MacGillivary, 1882
Idmonea bidenkapi Kluge, 1955
Idmonea bifrons Waters, 1884
Idmonea cancellata Hagenow
Idmonea concinna Maplestone, 1908
Idmonea conferta MacGillivray, 1895
Idmonea connata
Idmonea contorta Busk
Idmonea coronopus Defrance
Idmonea delicatissima Maplestone, 1908
Idmonea disticha (Goldfuss)
Idmonea divaricata d'Orbigny
Idmonea divergens MacGillivray, 1895
Idmonea elongata Maplestone, 1908
Idmonea expansa
Idmonea fenestrata Busk, 1859
Idmonea gasparensis
Idmonea geminata MacGillivray, 1895
Idmonea geniculata Hagenow
Idmonea grallator
Idmonea hagenowi (Sharpe)
Idmonea hochstetteriana
Idmonea incurva MacGillivray, 1895
Idmonea interjuncta MacGillivray, 1886
Idmonea lata MacGillivray, 1895
Idmonea lunata Busk
Idmonea macgillivrayi Stach, 1936
Idmonea marilenta Hagenow
Idmonea milneana McCoy
Idmonea morningtoniensis Maplestone, 1908
Idmonea neocomiensis
Idmonea nilneana
Idmonea organisans (d'Orbigny, 1839)
Idmonea parasitica Busk, 1875
Idmonea parvula Maplestone, 1908
Idmonea pulcherrima Kirkpatrick, 1890
Idmonea radians (Lamarck)
Idmonea semispiralis MacGillivray, 1895
Idmonea serialis Stoliczka
Idmonea sulcata Hagenow
Idmonea tortuosa Kirkpatrick, 1888
Idmonea trigona MacGillivray, 1895
Idmonea tumida (Smitt, 1872)
Idmonea uniseriata Maplestone, 1908
Idmonea venusta MacGillivray, 1895
Idmonea watersi Kluge, 1946
