Alaba guayaquilensis Bartsch, 1928 (original description)
Anachis reedi Bartsch, 1928 (original description)
Anachis strongi Bartsch, 1928 (original description)
Asperiscala strongi (Bartsch, 1928) accepted as
Epitonium acapulcanum Dall, 1917 (original description)
Engina mantensis Bartsch, 1928 (original description)
Epitonium reedi Bartsch, 1928 accepted as
Epitonium canna Dall, 1919 (original description)
Epitonium strongi Bartsch, 1928 accepted as
Epitonium acapulcanum Dall, 1917 (original description)
Fossarus guayaquilensis Bartsch, 1928 (original description)
Mangilia whitei Bartsch, 1928 accepted as
Nassarina cruentata (Mörch, 1860) (original description)
Mitra salinasensis Bartsch, 1928 (original description)
Odostomia reedi Bartsch, 1928 (original description)
Odostomia salinasensis Bartsch, 1928 (original description)
Olivella guayaquilensis Bartsch, 1928 (original description)
Olivella salinasensis Bartsch, 1928 (original description)
Thericium browni Bartsch, 1928 accepted as
Cerithium browni (Bartsch, 1928) (original description)
Turbonilla salinasensis Bartsch, 1928 (original description)