Agnesia de Koninck, 1883 † (basis of record)
Agnesia reticulata Yoo, 1994 † (original description)
Agnesiinae Knight, 1956 † (basis of record)
Angyomphalus radianodosa Yoo, 1994 † (original description)
Araeonema microspirulata Yoo, 1988 † (basis of record)
Bellerophon kyndalynensis Yoo, 1994 † (original description)
Bellerophon swainsensis Yoo, 1994 † (original description)
Borestus costatus Yoo, 1988 † (basis of record)
Campbellospira Yoo, 1994 † (original description)
Campbellospira conica Yoo, 1994 † (original description)
Ceraunocochlis australis Yoo, 1994 † (original description)
Ceraunocochlis tenuis Yoo, 1994 † (original description)
Cyclozyga sinusigera Yoo, 1988 † (basis of record)
Cymbularia Koken, 1896 † (basis of record)
Cymbularia carinata Yoo, 1994 † (original description)
Eotomaria umbilicata Yoo, 1994 † (original description)
Euphemites labrosus Campbell & Engel, 1963 † (basis of record)
Euphemites minutus W. G. H. Maxwell, 1961 † (basis of record)
Euphemites pustulus Yoo, 1994 † (original description)
Girtyspira inflata Yoo, 1994 † (original description)
Glabrocingulum obesum Yoo, 1988 † (basis of record)
Glabrocingulum pustulum Yoo, 1994 † (original description)
Globobulimorpha Yoo, 1994 † (original description)
Globobulimorpha costata Yoo, 1994 † (original description)
Gyronema nacreformis Yoo, 1994 † (original description)
Hemizyga Girty, 1915 † (basis of record)
Hemizyga decussata Yoo, 1988 † accepted as Chlorozyga decussata (Yoo, 1988) † (basis of record)
Hesperiella elongata Yoo, 1994 † (original description)
Hesperiella planorbis Yoo, 1994 † (original description)
Hesperiella robertsi Yoo, 1988 † (basis of record)
Knightites (Retispira) multilirata Yoo, 1994 † accepted as Retispira multilirata (Yoo, 1994) † (original description)
Knightites (Retispira) triangularis Yoo, 1994 † accepted as Retispira triangularis (Yoo, 1994) † (original description)
Leptozyga Knight, 1930 † (basis of record)
Leptozyga costata Yoo, 1994 † (original description)
Microdoma angulata Yoo, 1988 † (basis of record)
Naticopsis minuta Yoo, 1994 † (original description)
Naticopsis osbornei Yoo, 1988 † (basis of record)
Onychochilus minutissimus Yoo, 1988 † (basis of record)
Palaeozygopleura obesum Yoo, 1994 † (original description)
Peruvispira gundyensis Yoo, 1988 † (basis of record)
Platyschisma lingua Yoo, 1994 † (original description)
Platyschisma vitrea Yoo, 1994 † (original description)
Pseudozygopleura gracilis Yoo, 1994 † (original description)
Rhabdotocochlis turgida Yoo, 1994 † (original description)
Serpulospira Cossmann, 1916 † (basis of record)
Serpulospira scalariformis Yoo, 1994 † (original description)
Sinuitina portulacoides Campbell & Engel, 1963 † (basis of record)
Soleniscus callosus Yoo, 1988 † (basis of record)
Stegocoelia (Hypergonia) elongata Yoo, 1988 † accepted as Hypergonia elongata (Yoo, 1988) † (basis of record)
Stegocoelia (Hypergonia) tenuis Yoo, 1988 † accepted as Hypergonia tenuis (Yoo, 1988) † (basis of record)
Stegocoelia nodosa Yoo, 1988 † (basis of record)
Straparollus brevis Yoo, 1994 † (original description)
Strobeus ovalis Yoo, 1994 † (original description)
Worthenia crenilunula Yoo, 1994 † accepted as Squamoworthenia crenilunula (Yoo, 1994) † (original description)