Amalda

Amalda is a genus of medium-sized sea snails, a marine gastropod mollusc in the family Ancillariidae, the olives and allies.

These snails usually live in the sand in fairly shallow water in tropical and temperate regions of the world. Most species are predators of marine bivalves.

Description
The thin shell is not umbilicated. The spire is elongated with the suture enamelled. The inner lip has the callus moderate, defined. The outer lip is simple.

Species
Species within the genus Amalda include:


 * Amalda abyssicola Schepman, 1911
 * Amalda acuta Ninomiya, 1991
 * † Amalda acutapex Raven & Recourt, 2018
 * Amalda alabaster Kantor, Castelin, Fedosov & Bouchet, 2020
 * Amalda albanyensis Ninomiya, 1987
 * Amalda albocallosa (Lischke, 1873)
 * † Amalda allani (Olson, 1956)
 * Amalda allaryi Bozetti, 2007
 * Amalda angustata (G.B. Sowerby II, 1859)
 * Amalda aureocallosa Shikama & Oishi, 1977
 * Amalda aureomarginata Kilburn & Bouchet, 1988
 * Amalda aureus Ninomiya, 1990
 * Amalda australis (G.B. Sowerby I, 1830)
 * Amalda bathamae (Dell, 1956)
 * Amalda beachportensis (Verco, 1909)
 * Amalda bellonarum Kilburn & Bouchet, 1988
 * Amalda benthicola (Dell, 1956)
 * Amalda booleyi (Melvill & Sykes, 1896)
 * Amalda borshengi Lan & Lee, 2002
 * † Amalda bruneiana Harzhauser, Raven & Landau, 2018
 * Amalda bullosa Ninomiya, 1991
 * Amalda bullioides (Reeve, 1864)
 * Amalda cacao Kantor, Castelin, Fedosov & Bouchet, 2020
 * † Amalda cincta (P. Marshall, 1918)
 * † Amalda cingulata (Olson, 1956)
 * Amalda coccinata Kilburn, 1980
 * Amalda coenobium Ninomiya, 1991
 * Amalda colemani Ninomiya, 1991
 * Amalda concinna Ninomiya, 1990
 * Amalda contusa (Reeve, 1864)
 * Amalda coriolis Kilburn & Bouchet, 1988
 * Amalda crosnieri Kilburn, 1993
 * Amalda cupedula Kilburn, 1993
 * Amalda danilai Kilburn, 1996
 * Amalda decipiens (G. B. Sowerby III, 1897)
 * Amalda degalleaniae Cossignani, 2018
 * Amalda depressa (G.B. Sowerby II, 1859)
 * ''Amalda dimidiata' '(G.B. Sowerby II, 1859)
 * Amalda dyspetes (Iredale, 1924)
 * Amalda edgariana Schepman, 1911
 * Amalda edithae (Pritchard & Gabriel, 1898)
 * † Amalda exsputa (Bartrum & Powell, 1928)
 * Amalda fasciata Ninomiya, 1990
 * Amalda festiva Ninomiya, 1991
 * Amalda fuscolingua Kilburn & Bouchet, 1988
 * Amalda fusiformis (Petterdi, 1886)
 * † Amalda gigartoides (Olson, 1956)
 * † Amalda gulosa (C. A. Fleming, 1943)
 * Amalda harasewychi Thach, 2016
 * Amalda hayashii Ninomiya, 1988
 * Amalda herberti Cossignani, 2013
 * Amalda hilgendorfi (Martens, 1897)
 * Amalda hinomotoensis (Yokoyama, 1922)
 * Amalda jenneri Kilburn, 1977
 * Amalda josecarlosi Pastorino, 2003
 * Amalda lactea T. Kuroda, 1960
 * † Amalda lanceolata (Tate, 1889)
 * Amalda lematrei Kilburn, 1993
 * Amalda lindae Kilburn, 1993
 * Amalda lineata (Kiener, 1844)
 * Amalda lochii Ninomiya, 1990
 * † Amalda macbeathi (Vella, 1954)
 * Amalda mamillata (Hinds, 1844)
 * Amalda marginata (Lamarck, 1811)
 * Amalda maritzae Bozzetti, 2007
 * Amalda mirabelflorenti Cossignani, 2018
 * † Amalda miriensis Raven & Recourt, 2018
 * Amalda miriky Kantor, Castelin, Fedosov & Bouchet, 2020
 * Amalda monilifera (Reeve, 1864)
 * Amalda montrouzieri (Souverby, 1860)
 * † Amalda morgani (R. S. Allan, 1926)
 * Amalda mucronata (G.B. Sowerby I, 1830)
 * Amalda nitidanosum Ninomiya, 1991
 * Amalda northlandica (Hart, 1995)
 * Amalda novaezelandiae (G.B. Sowerby II, 1859)
 * Amalda obesa (G.B. Sowerby II, 1859)
 * Amalda oblonga (G.B. Sowerby I, 1830)
 * Amalda obtusa (Swainson, 1825)
 * † Amalda olsoni Beu, 1970
 * † Amalda opima (Marwick, 1924)
 * Amalda optima (G.B. Sowerby III, 1897)
 * † Amalda oraria (Olson, 1956)
 * Amalda otohime Majima, Tsuchida & Oshima, 1993
 * † Amalda ovalis Beu, 1970
 * Amalda pacei Petuch, 1987
 * † Amalda pakaurangiensis (Olson, 1956)
 * Amalda parentalis Shikama & Oishi, 1977
 * Amalda petterdi (Tate, 1893)
 * Amalda pinguis Ninomiya, 1991
 * † Amalda platycephala (Powell & Bartrum, 1929)
 * Amalda ponderi Ninomiya, 1991
 * † Amalda pristina (Olson, 1956)
 * Amalda procera Ninomiya, 1991
 * Amalda pullarium Ninomiya, 1991
 * Amalda raoulensis Powell, 1967
 * Amalda reevei (E.A. Smith, 1904)
 * † Amalda rimuensis (Olson, 1956)
 * † Amalda robusta (Marwick, 1924)
 * Amalda roscoae Kilburn, 1975
 * Amalda rottnestensis Ninomiya, 1991
 * Amalda rubiginosa (Swainson, 1823)
 * Amalda rubrofasciata Ninomiya, 1991
 * Amalda scopuloceti Kilburn, 1993
 * Amalda siberutensis Thiele, 1925
 * Amalda sibuetae Kantor & Bouchet, 1999
 * Amalda sidneyensis Ninomiya, 1991
 * Amalda similis (G.B. Sowerby II, 1859)
 * Amalda sinensis (G.B. Sowerby II, 1859)
 * Amalda southlandica (Fleming, 1948)
 * † Amalda spinigera (P. Marshall, 1918)
 * † Amalda stortha (Olson, 1956)
 * Amalda tankervillii (Swainson, 1825)
 * Amalda telaaraneae Kilburn, 1993
 * Amalda tenuis Ninomiya, 1991
 * † Amalda tholiculus (Marwick, 1931)
 * Amalda tindalli (Melvill, 1898)
 * † Amalda tirangiensis (Marwick, 1926)
 * Amalda trachyzonus Kilburn, 1975
 * Amalda trippneri Kilburn, 1996
 * Amalda turgida Ninomiya, 1990
 * Amalda utopica Ninomiya, 1987
 * Amalda venezuela Weisbord, 1962
 * Amalda vernedei (G.B. Sowerby II, 1859)
 * Amalda virginea Ninomiya, 1990
 * † Amalda waikaiaensis (Finlay, 1926)
 * † Amalda wairarapaensis (Olson, 1956)
 * Amalda whatmoughi Kilburn, 1993


 * Species brought into synonymy:
 * Amalda albicallosa [sic]: synonym of Amalda albocallosa (Lischke, 1873)
 * Amalda ampla (Gmelin, 1791) : synonym of Ancilla ampla (Gmelin, 1791)
 * Amalda callifera Thiele, 1925 : synonym of Amalda reevei (E.A. Smith, 1904)
 * Amalda elongata (Gray, 1874) : synonym of Ancillista muscae (Pilsbry, 1926)
 * Amalda errorum Tomlin, 1921 : synonym of Amalda angustata (G.B. Sowerby II, 1859)
 * Amalda hayashi Ninomiya, 1988 : synonym of Amalda rubiginosa (Swainson, 1823)
 * Amalda lanceolata Ninomiya, 1991 : synonym of Amalda petterdi (Tate, 1893)
 * Amalda procerum Ninomiya, 1991 : synonym of Amalda procera Ninomiya, 1991
 * Amalda tankervillei (Swainson, 1825) : synonym of Amalda tankervillii (Swainson, 1825)
 * Amalda virgineus Ninomiya, 1990 : synonym of Amalda virginea Ninomiya, 1990
 * Amalda zeigleri Ninomiya, 1987 : synonym of Amalda pacei Petuch, 1987