Bathytoma

Bathytoma là một chi ốc biển, là động vật thân mềm chân bụng sống ở biển trong họ Borsoniidae.

**Các loài**
Các loài thuộc chi Riuguhdrillia bao gồm:- Bathytoma agnata Hedley & Petterd, 1906- Bathytoma arbucklei Kilburn, 1986- Bathytoma atractoides (Watson, 1881)- Bathytoma badifasciata Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010- † Bathytoma bartrumi Laws, 1939- Bathytoma belaeformis (Sowerby III, 1903)- Bathytoma bitorquata (Martens, 1901)- Bathytoma boholica Parth, 1994- Bathytoma carnicolor Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010- † Bathytoma cataphracta Brocchi 1814 - Bathytoma consors Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010- † Bathytoma coweorum Beu, 1970- Bathytoma cranaos Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010- † Bathytoma discors Powell, 1942- Bathytoma engonia (Watson, 1881)- Bathytoma episoma Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010- † Bathytoma filaris (Marwick, 1931)- † Bathytoma finlayi Laws, 1939 - Bathytoma fissa (Martens, 1901)- Bathytoma formosensis Vera-Pelaez, 2004- † Bathytoma fortinodosa (Marwick, 1931) - Bathytoma gabrielae Bozzetti, 2006- Bathytoma gordonlarki Tucker & Olivera, 2011- † Bathytoma haasti Hutton 1877 - † Bathytoma hawera (Laws, 1940) - Bathytoma hecatorgnia (Verco, 1907)- Bathytoma hedlandensis Tippett & Kosuge, 1994- Bathytoma helenae Kilburn, 1974- † Bathytoma hokianga Laws, 1947 - Bathytoma lacertosus (Hedley, 1922)- Bathytoma luehdorfi (Lischke, 1872)- † Bathytoma media (Marwick, 1931) - † Bathytoma mitchelsoni Powell, 1935- Bathytoma mitrella (Dall, 1881)- Bathytoma murdochi Finlay, 1930- Bathytoma neocaledonica Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010- Bathytoma netrion Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010- † Bathytoma ngatapa (Marwick, 1931) - † Bathytoma nonplicata - Bathytoma oldhami (Smith E. A., 1899)- † Bathytoma pacifica Squires 2001 - Bathytoma paratractoides Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010- Bathytoma parengonia (Dell, 1956)- † Bathytoma paucispiralis (Powell, 1942)- † Bathytoma pergracilis (Marwick, 1931) - † Bathytoma praecisa (Marwick, 1931) - † Bathytoma prior (Vella, 1954) - † Bathytoma proavita (Powell, 1942) - Bathytoma prodicia Kilburn, 1986- Bathytoma profundis (Laseron, 1954)- Bathytoma punicea Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010- Bathytoma regnans Melvill, 1918- Bathytoma solomonensis Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010- Bathytoma somalica Ardovini, 2015- Bathytoma stenos Puillandre, Sysoev, Olivera, Couloux & Bouchet, 2010- † Bathytoma tenuineta (Marwick, 1931) - Bathytoma tippetti Vera-Peláez, 2004- Bathytoma tuckeri Vera-Peláez, 2004- Bathytoma viabrunnea (Dall, 1889)- Bathytoma virgo (Okutani, 1966)- Bathytoma visagei Kilburn, 1973- † Bathytoma wairarapaensis Vella, 1954
Species brought into synonymy:- Bathytoma biconica Hedley, 1903: synonym of Benthofascis biconica (Hedley, 1903)- Bathytoma colorata Sysoev & Bouchet, 2001: synonym of Gemmuloborsonia colorata (Sysoev & Bouchet, 2001)- † Bathytoma excavata Suter, 1917: synonym of † Austrotoma excavata (Suter, 1917)- Bathytoma gratiosa Suter, 1908: synonym of Fenestrosyrinx gratiosa (Suter, 1908), synonym of Taranis gratiosa (Suter, 1908)- Bathytoma sarcinula Hedley, 1905: synonym of Benthofascis sarcinula (Hedley, 1905)- Bathytoma tremperiana (Dall, 1911): synonym of Megasurcula tremperiana (Dall, 1911)- Bathytoma tremperiana Dall, 1911: synonym of Megasurcula carpenteriana (Gabb, 1865)- Subgenus Bathytoma (Parabathytoma) Shuto, 1961 represented as Bathytoma Harris & Burrows, 1891 - Bathytoma (Parabathytoma) helenae Kilburn, 1974 represented as Bathytoma helenae Kilburn, 1974 - Bathytoma (Parabathytoma) visagei Kilburn, 1973 represented as Bathytoma visagei Kilburn, 1973
Fossil shell of Bathytoma cataphracta from Pliocene of Italy

**Chú thích**

**Tham khảo**
 Harris G. F. & Burrows H. W. (1891). The Eocene and Oligocene beds of the Paris basin. Geologists' Association, London 129 pp.: page(s): 113- Wilson, B. 1994. Australian Marine Shells. Prosobranch Gastropods. Kallaroo, WA: Odyssey Publishing Vol. 2 370 pp.
Thể loại:Borsoniidae