Acteocina inconspicua Olsson & McGinty, 1958 (original description)
Alvania chiriquiensis Olsson & McGinty, 1958 accepted as
Lirobarleeia chiriquiensis (Olsson & McGinty, 1958) (original description)
Caecum clenchi Olsson & McGinty, 1958 accepted as
Caecum cycloferum de Folin, 1867 (original description)
Crenella gemma Olsson & McGinty, 1958 (original description)
Cyclostremiscus ornatus Olsson & McGinty, 1958 accepted as
Lodderena ornata (Olsson & McGinty, 1958) (original description)
Decipifus Olsson & McGinty, 1958 (original description)
Decipifus sixaolus Olsson & McGinty, 1958 (original description)
Divaricella weberi Olsson & McGinty, 1958 accepted as
Divalinga weberi (Olsson & McGinty, 1958) (original description)
Limatula hendersoni Olsson & McGinty, 1958 accepted as
Limatula regularis A. E. Verrill & K. J. Bush, 1898 (original description)
Macromphalina pilsbryi Olsson & T. L. McGinty, 1958 accepted as
Megalomphalus pilsbryi (Olsson & T. L. McGinty, 1958) (original description)
Nassarina dubia Olsson & McGinty, 1958 accepted as
Redfernella dubia (Olsson & McGinty, 1958) (original description)
Olivella marmosa Olsson & McGinty, 1958 (original description)
Pleuromalaxis pauli Olsson & T. L. McGinty, 1958 (original description)
Pleuromeris micella Olsson & McGinty, 1958 (original description)
Risomurex Olsson & T. L. McGinty, 1958 accepted as
Muricopsis Bucquoy & Dautzenberg, 1882 (original description)
Rissoa toroensis Olsson & McGinty, 1958 accepted as
Mumiola gradatula (Mörch, 1876) (original description)
Rosenia minibulla Olsson & T. L. McGinty, 1958 accepted as
Monogamus minibulla (Olsson & T. L. McGinty, 1958) (original description)
Solariorbis corylus Olsson & McGinty, 1958 accepted as
Solariorbis truncatus (Gabb, 1881) (original description)
Solariorbis decipiens Olsson & McGinty, 1958 accepted as
Anticlimax crassilabris (Aguayo & Borro, 1946) (original description)
Stephopoma myrakeenae Olsson & McGinty, 1958 (original description)
Vitrinella (Striovitrinella) elegans Olsson & T. L. McGinty, 1958 accepted as
Solariorbis elegans (Olsson & T. L. McGinty, 1958) (original description)