Acar powelli Laws, 1950 † (original description)
Antisolarium spectandrum Laws, 1950 † (original description)
Arthritica crassitesta Laws, 1950 † (original description)
Arthritica finlayi Laws, 1950 † (original description)
Arthritica perfragilis Laws, 1950 † (original description)
Assiminea waitemata Laws, 1950 † (original description)
Asteracmea oliveri Laws, 1950 † (original description)
Besla otahua Laws, 1950 † (original description)
Cosa orbicula Laws, 1950 † (original description)
Crosseola emilyae Laws, 1950 † (original description)
Crosseola henryi Laws, 1950 † (original description)
Cuna otahuica Laws, 1950 † (original description)
Haurakia tenuisculpta Laws, 1950 † (original description)
Lasaea dingleyi Laws, 1950 † (original description)
Leptomya breviformis Laws, 1950 † (original description)
Lepton neozelanicum Laws, 1950 † (original description)
Leuconopsis putealis Laws, 1950 † (original description)
Macomona williamsi Laws, 1950 † (original description)
Melliteryx furtiva Laws, 1950 † (original description)
Merelina effodita Laws, 1950 † (original description)
Mysella putealis Laws, 1950 † (original description)
Notoacmea otahuhuensis Laws, 1950 † (original description)
Nozeba couttsi Laws, 1950 † (original description)
Salinator neozelanica Laws, 1950 † accepted as Salinator neozelanicus Laws, 1950 † (original description)
Striatestea powelli Laws, 1950 † (original description)
Terelimella leviangulata Laws, 1950 † (original description)
Terelimella monstrosa Laws, 1950 † (original description)