# Spisula

Spisula is a genus of medium-sized to large marine bivalve mollusks or clams in the subfamily Mactrinae of the family Mactridae, commonly known as surf clams or trough shells.

## Species

Species in the genus Spisula include:
* Spisula adamsi Olsson, 1961
* Spisula austini Lamprell & Whitehead, 1990
* †Spisula bernayi (Cossmann, 1886)
* † Spisula brombachensis S. Schneider & Mandic, 2014
* † Spisula couttsi Marwick, 1948
* † Spisula crassitesta (Finlay, 1927)
* Spisula discors (Gray, 1837)
* Spisula elliptica (T. Brown, 1827)
* Spisula murchisoni (Reeve, 1854)
* Spisula raveneli (Conrad, 1832)
* Spisula sachalinensis (Schrenck, 1862)
* Spisula solida (Linnaeus, 1758)
* Spisula solidissima (Dillwyn, 1817) – Atlantic surfclam
* Spisula subtruncata (da Costa, 1778)
* Spisula trigonella (Lamarck, 1818)
* † Spisula voyi (Gabb, 1866)

### Synonyms

* Spisula adelaidae Angas, 1865: synonym of Anapella cycladea (Lamarck, 1818)
* Spisula aequilateralis (Deshayes, 1854) – Triangle shell: synonym of Crassula aequilatera (Reeve, 1854)
* Spisula alaskana Dall, 1921: synonym of Mactromeris polynyma (Stimpson, 1860)
* Spisula aspersa (G. B. Sowerby I, 1825): synonym of Oxyperas aspersa (G. B. Sowerby I, 1825): synonym of Oxyperas aspersum'' (G. B. Sowerby I, 1825)
* Spisula belliana W. R. B. Oliver, 1915: synonym of Oxyperas belliana (W. R. B. Oliver, 1915): synonym of Oxyperas bellianum (W. R. B. Oliver, 1915)
* Spisula bernardi Pilsbry, 1904: synonym of Oxyperas bernardi (Pilsbry, 1904)
* Spisula camaronis Dall, 1921: synonym of Mactromeris hemphillii (Dall, 1894)
* Spisula catilliformis Conrad, 1867: synonym of Mactromeris catilliformis (Conrad, 1867)
* Spisula cretacea Angas, 1868: synonym of Spisula trigonella (Lamarck, 1818)
* Spisula dolabriformis Conrad, 1867: synonym of Simomactra dolabriformis (Conrad, 1867) (original combination)
* Spisula fragilis Gray, 1837: synonym of Standella pellucida (Gmelin, 1791)
* Spisula hemphillii (Dall, 1894): synonym of Mactromeris hemphillii (Dall, 1894)
* Spisula isabelleana (d'Orbigny, 1846): synonym of Mactra isabelleana d'Orbigny, 1846
* Spisula lamarckii Gray, 1837: synonym of Eastonia rugosa (Helbling, 1779)
* Spisula lentiginosa Gould, 1852: synonym of Oxyperas lentiginosa (Gould, 1852): synonym of Oxyperas lentiginosum (Gould, 1852)
* Spisula longa Dall, 1921: synonym of Tresus nuttallii (Conrad, 1837)
* Spisula marplatensis (Doello-Jurado, 1949): synonym of Mactra marplatensis Doello-Jurado, 1949
* Spisula ovalis (J. Sowerby, 1817) : synonym of Spisula solida (Linnaeus, 1758)
* Spisula ovata Gray, 1843: synonym of Cyclomactra ovata (Gray, 1843)
* Spisula petitii (d'Orbigny, 1846): synonym of Mactra petitii d'Orbigny, 1846
* Spisula polynyma (Stimpson, 1860): synonym of Mactromeris polynyma (Stimpson, 1860)
* Spisula producta Angas, 1868: synonym of Spisula trigonella (Lamarck, 1818)
* Spisula richmondi (Dall, 1894): synonym of Mactra petitii d'Orbigny, 1846
* Spisula sayii Gray, 1837: synonym of Spisula raveneli (Conrad, 1832)
* Spisula solanderi J.E. Gray, 1837: synonym of Eastonia solanderi (J. E. Gray, 1837)
* Spisula strongi T. A. Burch, 1945: synonym of Simomactra planulata (Conrad, 1837)
* Spisula triangula (Brocchi, 1814): synonym of Spisula subtruncata (da Costa, 1778)
* Spisula vladivostokensis Bartsch, 1929: synonym of Mactromeris polynyma (Stimpson, 1860)
* Spisula voji [sic]: synonym of † Spisula voyi (Gabb, 1866)
* Spisula williamsi (Berry, 1960): synonym of Spisula adamsi Olsson, 1961
* Spisula subtruncata