Many thanks, Harry. Of course, here goes authors and dates (and I hope there
are no many faults) :

metcalfei or metcalfi ? (Marginella) -Angas, 1877
crescera or crescere ? (Marginella) -Laseron, 1948
baylei or baylii ? (Balanetta) -Jousseaume, 1875
largillieri or largillierti ? (Bullata) -(Kiener, 1834)
matthewsi or mathewsi ? (Bullata) -(Van Mol & Tursch, 1967)
mancelli or manceli ? (Closia) -Jousseaume, 1875
dianae or diana ? (Dentimargo) -Lussi & Smith, 1996
lantzii or lantzi ? (Dentimargo) -(Jousseaume, 1875)
smithii or smithi ? (Dentimargo) -(A.E. Verrill, 1885)
teramachii or teramachi ? (Dentimargo) -Habe, 1951
walkieri or walkeri ? (Dentimargo) -E. A. Smith, 1899
hematita or haematita ? (Marginella) -Kiener, 1834
spinacia or spinacea ? (Marginella) -Gofas & Fernandes, 1988
schoutanica or shoutanica ? (Mesoginella) -(W. L. May, 1913)
pattersoni or pattisoni ? (Mesoginella) -(Cotton, 1944)
baudensis or baudinensis (Protoginella) -E. A. Smith, 1899
lavigata or laevigata ? (Marginella) -Brazier, 1877
dawabrinkae or dawnbrinkae ? (Prunum) -Massier, 1993
redfieldi or redfieldii ? (Prunum) -(G. W. Tryon, 1883)
walvisianum or walvisanum ? (Prunum) -Tomlin, 1920
panchia or pachia ? (Triginella) -Watson, 1886
agatha or agata ? (Volvarina) -Laseron, 1957
coelata or caelata ? (Volvarina) -Monterosato, 1877
pauli or paula ? (Volvarina) -de Jong & Coomans, 1988