Adeorbis seguenzianus Tryon, 1888 accepted as Megalomphalus depressus (G. Seguenza, 1876) (source of synonymy)
Aperostoma (Buckleyia) E. T. Higgins, 1872 accepted as Daronia A. Adams, 1861 (source of synonymy)
Berthais Melvill, 1904 (status source)
Constantia A. Adams, 1860 (status source)
Couthouyia A. Adams, 1860 accepted as Macromphalus S. V. Wood, 1842 (source of synonymy)
Daronia A. Adams, 1861 (status source)
Daronia spirula (A. Adams, 1850) (status source)
Fossarella subdisjuncta (H. Adams, 1868) accepted as Tubiola subdisjuncta (H. Adams, 1868) (basis of record)
Fossarus adansoni R. A. Philippi, 1841 accepted as Fossarus ambiguus (Linnaeus, 1758) (source of synonymy)
Fossarus depressus G. Seguenza, 1876 accepted as Megalomphalus depressus (G. Seguenza, 1876) (source of synonymy)
Fossarus monterosati Granata Grillo, 1877 accepted as Tjaernoeia exquisita (Jeffreys, 1883) (basis of record)
Granigyra monterosatoi (van Aartsen & Bogi, 1987) accepted as Rugulina monterosatoi (van Aartsen & Bogi, 1987) (new combination reference)
Heliciella O. G. Costa, 1861 accepted as Danilia Brusina, 1865 (subsequent type designation)
Heliciella mutabilis O. G. Costa, 1861 (status source)
Lacuna azonata Locard, 1886 accepted as Megalomphalus azoneus (Brusina, 1865) (source of synonymy)
Macromphalus S. V. Wood, 1842 (additional source)
Macromphalus abylensis Warén & Bouchet, 1988 (original description)
Macromphalus senegalensis (Knudsen, 1956) (new combination reference)
Maravignia Aradas & Maggiore, 1844 accepted as Fossarus R. A. Philippi, 1841 (source of synonymy)
Maravignia sicula Aradas & Maggiore, 1844 accepted as Fossarus ambiguus (Linnaeus, 1758) (source of synonymy)
Megalomphalus Brusina, 1871 (additional source)
Megalomphalus azoneus (Brusina, 1865) (additional source)
Megalomphalus azonus Monterosato, 1884 accepted as Megalomphalus azoneus (Brusina, 1865) (basis of record)
Megalomphalus bouryi (Dautzenberg, 1912) accepted as Macromphalina bouryi (Dautzenberg, 1912) (basis of record)
Megalomphalus dautzenbergi (Adam & Knudsen, 1969) accepted as Macromphalina dautzenbergi Adam & Knudsen, 1969 (basis of record)
Megalomphalus disciformis (Granata Grillo, 1877) accepted as Megalomphalus depressus (G. Seguenza, 1876) (source of synonymy)
Megalomphalus mercatoris Adam & Knudsen, 1969 accepted as Megalomphalus depressus (G. Seguenza, 1876) (source of synonymy)
Megalomphalus petitianus (Tiberi, 1868) (additional source)
Natica crosseana Weinkauff, 1868 accepted as Megalomphalus azoneus (Brusina, 1865) (source of synonymy)
Stomatia kutschigi Brusina, 1865 accepted as Fossarus ambiguus (Linnaeus, 1758) (source of synonymy)
Talassia Warén & Bouchet, 1988 (original description)
Talassia dagueneti (de Folin, 1873) (new combination reference)
Talassia macrostoma (Thiele, 1925) (new combination reference)
Talassia sandersoni (A. E. Verrill, 1884) (new combination reference)
Talassia tenuisculpta (R. B. Watson, 1873) (new combination reference)
Tjaernoeia Warén & Bouchet, 1988 (original description)

 Taxonomy

 for Daronia A. Adams, 1861

The name Daronia has for a long time been used to include small, planispirally coiled, marine species. Daronia was ... [details]

 Taxonomy

 for Megalomphalus depressus (G. Seguenza, 1876)

[Megalomphalus] depressus is from deeper water (down to 195 m) and we suspect that it simply is a deep water form ... [details]