Mucronalia is a genus of very small parasitic sea snails, marine gastropod mollusks or micromollusks in the family Eulimidae.
This genus was first described in 1860 by Arthur Adams in his paper, "On some new genera and species of Mollusca from Japan".
These sea snails are thought to be parasitic on ophiuroids (brittle stars).
Species Species within the genera Mucronalia include: Mucronalia alba Takano, Ha. Tanaka & Kano, 2019 Mucronalia bicincta A. Adams, 1860 (Type taxon) Mucronalia bizonula Melvill, 1906 Mucronalia bulimuloides Dall, 1927 Mucronalia exilis A. Adams, 1862 Mucronalia exquisita G. B. Sowerby III, 1915 Mucronalia involuta Carpenter, 1865 Mucronalia lepida Melvill, 1906 Mucronalia mammillata Dall, 1927 Mucronalia oxytenes Melvill, 1904 Mucronalia pinguicula Ortega & Gofas, 2019 † Mucronalia propinqua (Cossmann, 1888) Mucronalia rosea Pease, 1860 Mucronalia ryukyuensis Takano, Kubo & Oguchi, 2022 Mucronalia trilineata Warén, 1980
Taxon inquirendum Mucronalia interrupta (A. Adams, 1864)
Nomen nudum Mucronalia tumida Pease MS, Tryon, 1886
Species brought into synonymy Mucronalia aethria Melvill, 1918: synonym of Melanella aethria (Melvill, 1918) Mucronalia angulata Mandahl-Barth, 1949: synonym of Scalaribalcis angulata (Mandahl-Barth, 1949) Mucronalia birtsi Preston, 1904: synonym of Stilifer birtsi (Preston, 1904) Mucronalia capillastericola Minichev, 1970: synonym of Goodingia capillastericola (Minichev, 1970) Mucronalia cylindrica G. B. Sowerby III, 1900: synonym of Hypermastus cylindricus (G. B. Sowerby III, 1900) Mucronalia eburnea Schepman & Nierstrasz, 1909: synonym of Stilapex eburnea (Schepman & Nierstrasz, 1909) Mucronalia epibathra Melvill, 1906: synonym of Mumiola epibathra Melvill, 1906 (misapplication) Mucronalia gigas Kuroda & Habe, 1950: synonym of Melanella teinostoma (A. Adams, 1854) Mucronalia gracilis Pease, 1867: synonym of Peasistilifer gracilis (Pease, 1867) Mucronalia lactea A. Adams, 1864: synonym of Hypermastus lacteus (A. Adams, 1864) Mucronalia leucophaes Tomlin & Schackleford, 1913: synonym of Echineulima leucophaes (Tomlin & Shackleford, 1913) Mucronalia nidorum Pilsbry, 1956: synonym of Sabinella troglodytes (Thiele, 1925) Mucronalia nitidula Pease, 1860: synonym of Peasistilifer nitidula (Pease, 1860) Mucronalia ophiuraphila Habe, 1974: synonym of Goodingia ophiuraphila (Habe, 1974) Mucronalia ovata Pease, 1861: synonym of Echineulima ovata (Pease, 1861) Mucronalia palmipedis Koehler & Vaney, 1913: synonym of Apicalia palmipedis (Koehler & Vaney, 1913) Mucronalia philippinarum G. B. Sowerby III, 1900: synonym of Echineulima philippinarum (G. B. Sowerby III, 1900) Mucronalia suava Dall, 1927: synonym of Mucronalia mammillata Dall, 1927 Mucronalia subula A. Adams, 1864: synonym of Hypermastus subula (A. Adams, 1864) Mucronalia variabilis Schepman, 1913: synonym of Melanella variabilis (Schepman & Nierstrasz, 1914) (original combination) Mucronalia varicosa Schepman, 1909: synonym of Goodingia varicosa (Schepman, 1909) Mucronalia xanthias Watson, 1886: synonym of Pelycidion xanthias (Watson, 1888)
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