Tachyrhynchus

Tachyrhynchus is a genus of sea snails, marine gastropod mollusks in the family Turritellidae.

Species
The following species are recognised in the genus Tachyrhynchus:
 * Tachyrhynchus erosus (Couthouy, 1838)
 * †Tachyrhynchus ilpiskensis Titova, 1993
 * †Tachyrhynchus importunus (Yokoyama, 1924)
 * Tachyrhynchus lacteolus (P. P. Carpenter, 1864)
 * Tachyrhynchus nomurai (Ozaki, 1958)
 * †Tachyrhynchus plicatus Titova, 1993
 * †Tachyrhynchus podkagernensis Titova, 1994
 * Tachyrhynchus reticulatus (Mighels & C. B. Adams, 1842)
 * Tachyrhynchus stearnsii Dall, 1919
 * †Tachyrhynchus tuberculosus (Yokoyama, 1927)
 * Tachyrhynchus urashimanus (Nomura & Niino, 1940)
 * Tachyrhynchus ventricosus Golikov, 1986
 * †Tachyrhynchus venustellus (Yokoyama, 1927)
 * †Tachyrhynchus yamaokaensis Itoigawa & Shibata, 1976
 * Tachyrhynchus yanamii (Yokoyama, 1926)