1. Subgenus Hipponyx (Amalthea) Schumacher, 1817 accepted as Sabia Gray, 1840 (junior homonym of Amalthea Rafinesque, 1815 [Hymenoptera])
2. Species Hipponyx barbata G. B. Sowerby I, 1835 accepted as Pilosabia trigona (Gmelin, 1791)
3. Species Hipponyx cranioides P. P. Carpenter, 1864 accepted as Hipponix cranioides P. P. Carpenter, 1864 (unaccepted > misspelling - incorrect subsequent spelling)
4. Species Hipponyx granulata A. Adams, 1854 accepted as Hipponix granulata A. Adams, 1854 (use in recent literature not established by editor)
5. Species Hipponyx panamensis C. B. Adams, 1852 accepted as Antisabia panamensis (C. B. Adams, 1852) (unaccepted > superseded combination)
6. Species Hipponyx planatus P. P. Carpenter, 1857 accepted as Hipponix planatus P. P. Carpenter, 1857
7. Species Hipponyx radiata G. B. Sowerby I, 1835 accepted as Hipponix grayanus Menke, 1853 (unaccepted > junior homonym, not Hipponix radiata Deshayes, 1830; Hipponix grayanus Menke, 1853 is a replacement name)
8. Species Hipponyx salebrosus Preston, 1908 accepted as Hipponix salebrosus Preston, 1908 (misspelling of generic name)
9. Species Hipponyx serratus P. P. Carpenter, 1857 accepted as Hipponix cranioides P. P. Carpenter, 1864 (incorrect spelling of generic name)
10. Species Hipponyx ticaonicus G. B. Sowerby I, 1846 accepted as Hipponix ticaonicus G. B. Sowerby I, 1846

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