Acanthochiton flebilis Laws, 1950 † accepted as Acanthochitona flebilis (Laws, 1950) † (original description)
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)
Austronoba cryptolira Laws, 1950 † accepted as Onoba cryptolira (Laws, 1950) † (original description)
Austronoba similis Laws, 1950 † accepted as Fictonoba similis (Laws, 1950) † (original description)
Besla otahua Laws, 1950 † (original description)
Chemnitzia eruita Laws, 1950 † accepted as Turbonilla eruita (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)
Cylichnina otahuhuensis Laws, 1950 † accepted as Retusa otahuhuensis (Laws, 1950) † (original description)
Dardanula insueta Laws, 1950 † accepted as Eatoniella insueta (Laws, 1950) † (original description)
Epigrus prostriatus Laws, 1950 † accepted as Microdryas prostriatus (Laws, 1950) † (original description)
Estea cadus Laws, 1950 † accepted as Pisinna cadus (Laws, 1950) † (original description)
Estea gibbera Laws, 1950 † accepted as Onoba gibbera (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)
Lima aucklandensis Laws, 1950 † accepted as Divarilima aucklandensis (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)
Notolepton turneri Laws, 1950 † accepted as Neolepton antipodum (Filhol, 1880) (original description)
Notoscrobs waitemata Laws, 1950 † accepted as Amphithalamus waitemata (Laws, 1950) † (original description)
Nozeba couttsi Laws, 1950 † (original description)
Salinator neozelanica Laws, 1950 † accepted as Salinator neozelanicus Laws, 1950 † (original description)
Scrobs bartrumi Laws, 1950 † accepted as Anabathron bartrumi (Laws, 1950) † (original description)
Scrobs quartus Laws, 1950 † accepted as Anabathron quartus (Laws, 1950) † (original description)
Scrobs scrobis Laws, 1950 † accepted as Anabathron (Scrobs) scrobis (Laws, 1950) † represented as Anabathron scrobis (Laws, 1950) † (original description)
Striatestea powelli Laws, 1950 † (original description)
Tectisumen parallela Laws, 1950 † accepted as Lepetella parallela (Laws, 1950) † (original description)
Terelimella leviangulata Laws, 1950 † (original description)
Terelimella monstrosa Laws, 1950 † (original description)
Zeacumantus delicatus Laws, 1950 accepted as Pyrazus ebeninus (Bruguière, 1792) (original description)