Lyonsia

Lyonsia includes 23 children:

• Lyonsia alvarezii d'Orbigny 1846
• Lyonsia arcaeformis Martens 1885
• Lyonsia arenosa (Møller 1842)
• Lyonsia baudoni Cossmann 1886
• Lyonsia bracteata (Gould 1850)
• Lyonsia californica Conrad 1837
• Lyonsia cucumerina Ivanova ex Scarlato 1981
• Lyonsia floridana Conrad 1849
• Lyonsia gagarae Scarlato & Kafanov 1988
• Lyonsia granulifera Verrill & Bush 1898
• Lyonsia heberti Deshayes 1857
• Lyonsia hyalina (Conrad 1831) (glassy lyonsia)
• Lyonsia kawamurai Habe 1952
• Lyonsia malvinensis d'Orbigny 1846
• Lyonsia norwegica (Gmelin 1791)
• Lyonsia nuculaniformis Scarlato 1981
• Lyonsia praetenuis Dunker 1882
• Lyonsia subplicata (d'Orbigny 1850)
• Lyonsia taiwanica Lan & Okutani 2002
• Lyonsia ventricosa Gould 1861
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