Bellazona M. Gordon & Yochelson, 1987 † (original description)
Bellazona polita M. Gordon & Yochelson, 1987 † (original description)
Bellerophon (Bellerophon) needlensis M. Gordon & Yochelson, 1987 † accepted as Bellerophon needlensis M. Gordon & Yochelson, 1987 † (original description)
Bellerophon (Bellerophon) welshi M. Gordon & Yochelson, 1987 † accepted as Bellerophon welshi M. Gordon & Yochelson, 1987 † (original description)
Deseretospira M. Gordon & Yochelson, 1987 † (original description)
Deseretospira monilifera M. Gordon & Yochelson, 1987 † (original description)
Deseretospirini M. Gordon & Yochelson, 1987 † accepted as Eotomariinae Wenz, 1938 † (original description)
Euconospira desereti M. Gordon & Yochelson, 1987 † (original description)
Euconospira gracilis M. Gordon & Yochelson, 1987 † (original description)
Girtyspira circumsecta M. Gordon & Yochelson, 1987 † (original description)
Glabrocingulum (Glabrocingulum) confusionense M. Gordon & Yochelson, 1987 † accepted as Glabrocingulum confusionense M. Gordon & Yochelson, 1987 † (original description)
Glabrocingulum (Glabrocingulum) granulosum M. Gordon & Yochelson, 1987 † accepted as Glabrocingulum granulosum M. Gordon & Yochelson, 1987 † (original description)
Glabrocingulum (Glabrocingulum) hosei M. Gordon & Yochelson, 1987 † accepted as Glabrocingulum hosei M. Gordon & Yochelson, 1987 † (original description)
Glabrocingulum (Glabrocingulum) mephitifontis M. Gordon & Yochelson, 1987 † accepted as Glabrocingulum mephitifontis M. Gordon & Yochelson, 1987 † (original description)
Ianthinopsis gandyensis M. Gordon & Yochelson, 1987 † accepted as Imogloba gandyensis (M. Gordon & Yochelson, 1987) † (original description)
Lunulazona sablei (Yochelson & Dutro, 1963) † (basis of record)
Mourloniidae Yochelson & Dutro, 1960 † (redescription)
Naticopsis (Naticopsis) clinovata M. Gordon & Yochelson, 1987 † represented as Naticopsis clinovata M. Gordon & Yochelson, 1987 † (original description)
Naticopsis carleyana [sic] † accepted as Naticopsis carlyana (J. Hall, 1858) † (basis of record)
Naticopsis carlyana (J. Hall, 1858) † (basis of record)
Naticopsis splendens (Girty, 1915) † (new combination reference)
Retispira cincta M. Gordon & Yochelson, 1987 † (original description)
Retispira ordinata M. Gordon & Yochelson, 1987 † (original description)
Sinuitina (Sinuitina) crispa M. Gordon & Yochelson, 1987 † represented as Sinuitina crispa M. Gordon & Yochelson, 1987 † (original description)
Sinuitina (Sinuitina) venata (Girty, 1910) † represented as Sinuitina venata (Girty, 1910) † (basis of record)
Sinuitina (Vorticina) Gordon & Yochelson, 1987 † represented as Sinuitina Knight, 1945 † (original description)
Sinuitina (Vorticina) anneae Konkin, 1957 † represented as Sinuitina anneae Conkin, 1957 † (basis of record)
Sinuitina (Vorticina) cyrtolites (J. Hall, 1860) † represented as Sinuitina cyrtolites (J. Hall, 1860) † (basis of record)
Sinuitina (Vorticina) keytei Yochelson, 1960 † represented as Sinuitina keytei Yochelson, 1960 † (basis of record)
Sinuitina (Vorticina) rugosiuscula (Winchell, 1862) † represented as Sinuitina rugosiuscula (Winchell, 1862) † (basis of record)
Sinuitina (Vorticina) taeniata (Winchell, 1862) † represented as Sinuitina taeniata (Winchell, 1862) † (basis of record)
Sinuitina (Vorticina) vortex Gordon & Yochelson, 1987 † represented as Sinuitina vortex Gordon & Yochelson, 1987 † (original description)
Sinuitina rugosiuscula (Winchell, 1862) † (basis of record)
Sinuitina taeniata (Winchell, 1862) † (basis of record)
Trepospira (Angyomphalus) regularis M. Gordon & Yochelson, 1987 † accepted as Angyomphalus regularis (M. Gordon & Yochelson, 1987) † (original description)
Trepospira (Trepospira) Ulrich & Scofield, 1897 † accepted as Trepospira Ulrich & Scofield, 1897 † (basis of record)
Trepospira (Trepospira) baconi M. Gordon & Yochelson, 1987 † accepted as Trepospira baconi M. Gordon & Yochelson, 1987 † (original description)
Trepospira (Trepospira) diadema M. Gordon & Yochelson, 1987 † accepted as Trepospira diadema M. Gordon & Yochelson, 1987 † (original description)
Worthenia (Yochelsonospira) thomasi Elias, 1958 † represented as Worthenia thomasi Elias, 1958 † (basis of record)

Utah for Bellerophon (Bellerophon) needlensis M. Gordon & Yochelson, 1987 † 
Utah for Bellerophon (Bellerophon) welshi M. Gordon & Yochelson, 1987 † 
Utah for Deseretospira monilifera M. Gordon & Yochelson, 1987 † 
Utah for Euconospira desereti M. Gordon & Yochelson, 1987 † 
Utah for Euconospira gracilis M. Gordon & Yochelson, 1987 † 
Utah for Girtyspira circumsecta M. Gordon & Yochelson, 1987 † 
Utah for Glabrocingulum (Glabrocingulum) confusionense M. Gordon & Yochelson, 1987 † 
Utah for Glabrocingulum (Glabrocingulum) granulosum M. Gordon & Yochelson, 1987 † 
Utah for Glabrocingulum (Glabrocingulum) hosei M. Gordon & Yochelson, 1987 † 
Utah for Glabrocingulum (Glabrocingulum) mephitifontis M. Gordon & Yochelson, 1987 † 
Utah for Ianthinopsis gandyensis M. Gordon & Yochelson, 1987 † 
Utah for Naticopsis (Naticopsis) clinovata M. Gordon & Yochelson, 1987 † 
Utah for Retispira cincta M. Gordon & Yochelson, 1987 † 
Utah for Retispira ordinata M. Gordon & Yochelson, 1987 † 
Utah for Trepospira (Angyomphalus) regularis M. Gordon & Yochelson, 1987 † 
Utah for Trepospira (Trepospira) baconi M. Gordon & Yochelson, 1987 † 
Utah for Trepospira (Trepospira) diadema M. Gordon & Yochelson, 1987 †