Trichosirius

Trichosirius is a genus of small sea snails, marine gastropod molluscs in the family Capulidae (previously Trichotropidae).

Species
Species within the genus Trichosirius include:
 * Trichosirius cavatocarinatus (Laws, 1940)
 * Trichosirius inornatus (Hutton, 1873)
 * Trichosirius octocarinatus (Powell, 1931)
 * Trichosirius ornatus (Hutton, 1873)
 * † Trichosirius (Eosirius) admeteformis (Maxwell, 1966)
 * † Trichosirius (Miplioderma) finlayi Laws, 1935
 * † Trichosirius (Miplioderma) mangawera (Laws, 1940)
 * † Trichosirius (Miplioderma) reticulatus (Suter, 1917)
 * † Trichosirius (Miplioderma) waihuanus (Marwick, 1965)