Longchaeus

Longchaeus is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.

Species
Species within the genus Longchaeus include:
 * Longchaeus achates (A. Gould, 1853)
 * Longchaeus acus (Gmelin, 1791)
 * Longchaeus adamsi (Carpenter, 1864)
 * Longchaeus auricoma (Dall, 1889)
 * Longchaeus bicolor Menke, 1854
 * † Longchaeus canaliculatus (Gabb, 1873)
 * Longchaeus candidus (Mörch, 1875)
 * Longchaeus conicus (C. B. Adams, 1852)
 * Longchaeus eburneus (Laseron, 1959)
 * Longchaeus folinii (Dall, 1889)
 * Longchaeus inopinatus (Schander, 1994)
 * Longchaeus insularum (Pilsbry, 1922)
 * † Longchaeus jamaicensis (Dall, 1896)
 * Longchaeus maculosus (Lamarck, 1822)
 * Longchaeus mazatlanicus (Dall & Bartsch, 1909)
 * † Longchaeus menadensis (Schepman, 1907)
 * † Longchaeus obtusatus (O. Semper, 1861)
 * Longchaeus obtusus (Laseron, 1959)
 * † Longchaeus olssoni (Maury, 1917)
 * † Longchaeus plicosus (Bronn, 1838)
 * Longchaeus suturalis (H. C. Lea, 1843)
 * Longchaeus turritus (A. Adams, 1854)
 * † Longchaeus unisulcatus (Dujardin, 1837)
 * Species brought into synonymy:
 * Longchaeus calesi Bartsch, 1955 : synonym of Longchaeus suturalis (H. C. Lea, 1843)
 * Longchaeus canaliculatus (Sowerby II, 1874) : synonym of Longchaeus insularum (Pilsbry, 1922)
 * † Longchaeus marionae Bartsch, 1955 : synonym of Longchaeus suturalis (H. C. Lea, 1843)
 * Longchaeus pricena (Laseron, 1959) : synonym of Longchaeus obtusus (Laseron, 1959)
 * Longchaeus punctatus (Schubert & J. A. Wagner, 1829) : synonym of Longchaeus acus (Gmelin, 1791)
 * Longchaeus schanderi (van Aartsen, Gittenberger & Goud, 1998) : synonym of Pyramidella inopinata (Schander, 1994)
 * Longchaeus sulcatus (A. Adams, 1854) : synonym of Longchaeus maculosus (Lamarck, 1822)