Parviturbo

Parviturbo is a genus of minute sea snails, marine gastropod mollusks in the family Skeneidae.

Description
The very small, solid shell is perforate or has a narrow umbilicus. It contains a few convex whorls. The protoconch consists of one or two smooth whorls. The turbinate or globoso-conic shell shows numerous subequal spiral cords with in their intervals well developed or weak cross threads. The dentition of the radula is rhipidoglossate.

Species
Species within the genus Parviturbo include:
 * Parviturbo acuticostatus (Carpenter, 1864)
 * Parviturbo agulhasensis (Thiele, 1925)
 * Parviturbo alboranensis Peñas & Rolán, 2006
 * Parviturbo alfredensis (Bartsch, 1915)
 * Parviturbo annejoffeae Rubio, Rolán & Lee, 2015
 * Parviturbo azoricus Rubio, Rolán & Segers, 2015
 * Parviturbo billfranki Rubio, Rolán & Lee, 2015
 * Parviturbo boucheti Rubio, Rolán & Fernández-Garcés, 2015
 * Parviturbo brasiliensis Rubio, Rolán & Lee, 2015
 * Parviturbo comptus (Woodring, 1928)
 * Parviturbo copiosus Pilsbry & Olsson, 1945
 * Parviturbo dibellai Buzzurro & Cecalupo, 2007
 * Parviturbo dengyanzhangi Rubio, Rolán & Lee, 2015
 * Parviturbo dispar Rubio, Rolán & Letourneux, 2015
 * † Parviturbo elegantulus (Philippi, 1844)
 * Parviturbo ergasticus Rubio, Rolán & Gofas, 2015
 * Parviturbo fenestratus (Chaster, 1896)
 * Parviturbo fortius Rubio, Rolán & Fernández-Garcés, 2015
 * Parviturbo gofasi Rubio, Rolán & Fernández-Garcés, 2015
 * Parviturbo germanus Pilsbry & Olsson, 1945
 * Parviturbo granulum (Dall, 1889)
 * Parviturbo guadeloupensis Rubio, Rolán & Fernández-Garcés, 2015
 * Parviturbo insularis Rolán, 1988
 * Parviturbo javiercondei Rubio, Rolán & Fernández-Garcés, 2015
 * Parviturbo laevisculptus Renda, Raveggi, Bartolini, Micali & Giacobbe, 2019
 * Parviturbo marcosi Rubio, Rolán & Fernández-Garcés, 2015
 * † Parviturbo maturensis Jung, 1969
 * Parviturbo multispiralis Rubio, Rolán & Fernández-Garcés, 2015
 * Parviturbo parvissima (Hedley,  1899)
 * Parviturbo pombali Rubio, Rolán & Fernández-Garcés, 2015
 * Parviturbo rectangularis Rubio, Rolán & Fernández-Garcés, 2015
 * Parviturbo rehderi Pilsbry & McGinty, 1945
 * Parviturbo robustior Rubio, Rolán & Lee, 2015
 * Parviturbo rolani Engl, 2001
 * Parviturbo seamountensis Rubio, Rolán & Gofas, 2015
 * Parviturbo sola (Barnard, 1963)
 * † Parviturbo sphaeroideus (S. V. Wood, 1842)
 * Parviturbo stearnsii (Dall, 1918)
 * Parviturbo tuberculosus (d'Orbigny, 1842)
 * Parviturbo vanuatuensis Rubio, Rolán & Fernández-Garcés, 2015
 * † Parviturbo venezuelensis Weisbord, 1962
 * Parviturbo weberi Pilsbry & McGinty, 1945
 * Parviturbo zylmanae Rubio, Rolán & Lee, 2015


 * Species brought into synonymy:
 * Parviturbo bellus Dall, 1889 : synonym of Fossarus bellus Dall, 1889
 * Parviturbo calidimaris Pilsbry & McGinty, 1945 : synonym of Haplocochlias calidimaris (Pilsbry & McGinty, 1945)
 * Parviturbo concepcionensis (Lowe, 1935) : synonym of Haplocochlias concepcionensis (Lowe, 1933)
 * Parviturbo copiosus Pilsbry & Olsson, 1945 : synonym of Parviturboides copiosus (Pilsbry & Olsson, 1945) (original combination)
 * Parviturbo decussatus (Carpenter, 1857) : synonym of Parviturboides decussatus (Carpenter, 1857)
 * Parviturbo dibellai Buzzurro & Cecalupo, 2007 : synonym of Fossarus eutorniscus Melvill, 1918 : synonym of Conradia eutornisca (Melvill, 1918)
 * Parviturbo erici (Strong & Hertlein, 1939) : synonym of Haplocochlias erici (Strong & Hertlein, 1939)
 * Parviturbo francesae Pilsbry & McGinty, 1945 : synonym of Haplocochlias francesae (Pilsbry & McGinty, 1945)
 * Parviturbo germanus Pilsbry & Olsson, 1945 : synonym of Parviturboides germanus (Pilsbry & Olsson, 1945) (original combination)
 * † Parviturbo lecointreae (Dollfus & Dautzenberg, 1899) : synonym of † Pareuchelus lecointreae (Dollfus & Dautzenberg, 1899) (superseded combination)
 * Parviturbo parvissimus (Hedley, 1899): synonym of Lophocochlias parvissimus (Hedley, 1899)
 * Parviturbo turbinus (Dall, 1889) : synonym of Haplocochlias turbinus (Dall, 1889)
 * Parviturbo zacalles Mazyck, 1913 : synonym of Parviturboides interruptus (C. B. Adams, 1850)