Modiolus (bivalve)

Modiolus, the horsemussels, are a genus of medium-sized marine bivalve molluscs in the family Mytilidae.

Fossil record
Fossils of species within this very ancient genus can be found in sediments from the Devonian period to recent (age range: 409.1 to 0.0 Ma).

Species
Species within the genus Modiolus include:


 * Modiolus adriaticus (Lamarck, 1819)
 * Modiolus albicostus (Lamarck, 1819)
 * Modiolus americanus (Leach, 1815) - tulip mussel
 * Modiolus areolatus (Gould, 1850)
 * Modiolus auriculatus (Krauss, 1848)
 * Modiolus aurum Osorio Ruiz, 1979
 * Modiolus barbatus (Linnaeus, 1758) - bearded horsemussel
 * Modiolus capax (Conrad, 1837) - fat horsemussel
 * Modiolus carpenteri (Soot-Ryen, 1963) - California horsemussel
 * Modiolus carvalhoi Klappenbach, 1966
 * Modiolus cecillii (Philippi, 1847)
 * Modiolus cimbricus Ockelmann and Cedhagen, 2019
 * Modiolus comptus (Sowerby, 1915)
 * Modiolus demissus
 * Modiolus eiseni (Strong and Hertlein, 1937) - eisen horsemussel
 * Modiolus ficoides Macsotay & Campos, 2001
 * Modiolus gallicus (Dautzenberg, 1895)
 * Modiolus gubernaculum (Dunker, 1856)
 * Modiolus kurilensis F. R. Bernard, 1983
 * Modiolus lulat (Dautzenberg, 1891)
 * Modiolus margaritaceus (Nomura & Hatai, 1940)
 * Modiolus matris Pilsbry, 1921
 * Modiolus modiolus (Linnaeus, 1758) - northern horsemussel
 * Modiolus modulaides (Röding, 1798)
 * Modiolus neglectus (Soot-Ryen, 1955) - neglected horsemussel
 * Modiolus nicklesi Ockelmann, 1983
 * Modiolus nipponicus (Oyama, 1950)
 * Modiolus patagonicus (d'Orbigny, 1842)
 * Modiolus penetectus (Verco, 1907)
 * Modiolus peronianus Laseron, 1956
 * Modiolus phaseolinus
 * Modiolus philippinarum (Hanley, 1843)
 * Modiolus plumescens (Dunker, 1868)
 * Modiolus rectus (Conrad, 1837) - straight horsemussel
 * Modiolus rumphii (Philippi, 1847)
 * Modiolus sacculifer (S. S. Berry, 1953) - bag horsemussel
 * Modiolus squamosus Beauperthuy, 1967
 * Modiolus stultorum (Jousseaume, 1893)
 * Modiolus traillii (Reeve, 1857)
 * Modiolus tumbezensis Pilsbry & Olsson, 1935
 * Modiolus verdensis Cosel, 1995