Amphidromus quadrasi dubius Fulton, 1896 accepted as Amphidromus dubius Fulton, 1896 (additional source)
Amphidromus quadrasi palawanensis Bartsch, 1917 accepted as Amphidromus quadrasi f. palawanensis Bartsch, 1917 accepted as Amphidromus quadrasi Hidalgo, 1887 (additional source)
Amphidromus quadrasi quadrasi Hidalgo, 1887 accepted as Amphidromus quadrasi Hidalgo, 1887 (basis of record)
Amphidromus quadrasi solidus Fulton, 1896 accepted as Amphidromus quadrasi f. solida Fulton, 1896 accepted as Amphidromus quadrasi Hidalgo, 1887 (additional source)
Amphidromus quadrasi versicolor Fulton, 1896 accepted as Amphidromus quadrasi Hidalgo, 1887 (additional source)
Camaena campanula (L. Pfeiffer, 1845) accepted as Phoenicobius campanulus (L. Pfeiffer, 1845) (basis of record)
Cyclophorus coronensis Möllendorff, 1895 (additional source)
Cyclophorus sericinus Quadras & Möllendorff, 1894 (additional source)
Ganesella poecilotrochus (Möllendorff, 1894) (additional source)
Helicostyla (Orthostylus) palawanensis (L. Pfeiffer, 1857) represented as Helicostyla palavanensis (L. Pfeiffer, 1857) (basis of record)
Mesanella monochroa (G. B. Sowerby I, 1841) (additional source)
Mesanella palawanica (L. Pfeiffer, 1855) accepted as Mesanella monochroa palawanica (L. Pfeiffer, 1855) (basis of record)
Mesanella palumba (Souverbie, 1860) accepted as Phoenicobius palumbus (Souverbie, 1860) (basis of record)
Satsuma catocyrta Quadras & Möllendorff, 1895 accepted as Ganesella catocyrta (Quadras & Möllendorff, 1895) (additional source)