Spondylus buchi [sic] † accepted as Spondylus buchii R. A. Philippi, 1846 † (basis of record)
Spondylus buchii R. A. Philippi, 1846 † (additional source)
Spondylus caldesensis Carez, 1881 † (additional source)
Spondylus cisalpinus Brongniart, 1823 † (additional source)
Spondylus eocenus Leymerie, 1881 † (additional source)
Spondylus hispanicus Doncieux, 1911 † (additional source)
Spondylus nysti [sic] † accepted as Spondylus nystii d'Archiac, 1846 † (basis of record)
Spondylus nystii d'Archiac, 1846 † (additional source)
Spondylus podopsideus Lamarck, 1819 † (source of synonymy)
Spondylus rodensis Carrasco, 1994 † (original description)
Spondylus tenuispina F. Sandberger, 1863 † (source of synonymy)