•
Periploma aleuticum (Krause, 1885) – Aleutian spoonclam •
Periploma andamanicum (E. A. Smith, 1904) •
Periploma beibuwanense F.-S. Xu, 1999 •
Periploma camerunense Cosel, 1995 •
Periploma carpenteri Dall, 1896 •
Periploma compressum d'Orbigny, 1846 •
Periploma coquettae van Regteren Altena, 1968 •
Periploma discus Stearns, 1890 – round spoonclam •
Periploma fracturum Boshoff, 1968 •
Periploma fragile (Totten, 1835) – fragile spoonclam •
Periploma hendrickxi Valentich-Scott & Coan, 2010 •
Periploma indicum Melvill, 1898 •
Periploma inequale (C. B. Adams, 1842) •
Periploma kaiserae Valentich-Scott & Coan, 2010 •
Periploma lagartillum Olsson, 1961 •
Periploma lenticulare G. B. Sowerby I, 1834 • †
Periploma macphersoni Marwick, 1931 •
Periploma margaritaceum (
Lamarck, 1801) – unequal spoonclam •
Periploma multigranosum F.-S. Xu, 1999 •
Periploma nanshaense F.-S. Xu, 1999 •
Periploma orbiculare Guppy, 1882 •
Periploma ovatum d'Orbigny, 1846 •
Periploma papyratium (
Say, 1822) – paper spoonclam •
Periploma planiusculum G. B. Sowerby I, 1834 – flat spoonclam •
Periploma praetenue (Pulteney, 1799) •
Periploma rosewateri F. R. Bernard, 1989 •
Periploma sanctamarthaense Ardilla & Diaz, 1998 •
Periploma skoglundae Valentich-Scott & Coan, 2010 •
Periploma stearnsii Dall, 1896 •
Periploma subfragilis Scarlato & Kafanov, 1988 •
Periploma teevani Hertlein & A. M. Strong, 1946 ;Synonyms: •
Periploma abyssorum Verrill in Bush, 1893: synonym of
Periploma aleuticum (A. Krause, 1885) •
Periploma affine A. E. Verrill and Bush, 1898 – related spoonclam : synonym of
Cochlodesma affine (Verrill & Bush, 1898) •
Periploma alaskana Williams, 1940: synonym of
Periploma aleuticum (A. Krause, 1885) •
Periploma anguliferum (
Philippi, 1847) – angled spoonclam: sdynonym of
Periploma inequale (C. B. Adams, 1842) •
Periploma leanum (Conrad, 1831) – lea spoonclam, oval spoonclam: synonym of
Cochlodesma leanum (Conrad, 1831) •
Periploma tenerum P. Fischer, 1882 – delicate spoonclam: synonym of
Cochlodesma tenerum Fischer, 1882 ==References==