Modiolus
Live Modiolus barbatus for sale as seafood
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Mytilida
Family:	Mytilidae
Genus:	Modiolus Lamarck, 1799
Type species
Modiolus modiolus[1] (Linnaeus, 1758)
Species
See text.
Synonyms[1]
Eumodiolus Ihering, 1900 Modiola Lamarck, 1801

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

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).^[2]

• 
  Modiolus bipartitus
  Middle Jurassic
• 
  Modiolus giganteus
  Middle Jurassic

Species within the genus Modiolus include:^[3][4]

• 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 concentrice (Roemer, 1849)^[5]
• 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 Pedernalis (Roemer, 1849)
• 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

• Modiolus (disambiguation)

• Biolib