• Dicranocanna urcillata Haeckel, 1879 accepted as Willsia ornata McCrady, 1859 accepted as Proboscidactyla ornata (McCrady, 1859)
• Dyscannota dysdipleura Haeckel, 1879 accepted as Willsia ornata McCrady, 1859 accepted as Proboscidactyla ornata (McCrady, 1859)
• Lar flavicirratus (Brandt, 1835) accepted as Proboscidactyla flavicirrata Brandt, 1835
• Lar sabellarum Gosse, 1857
• Misakia typica Uchida, 1927 accepted as Willsia ornata McCrady, 1859 accepted as Proboscidactyla ornata (McCrady, 1859)
• Proboscidactyla abyssicola Uchida, 1947
• Proboscidactyla bitentaculata (Wright, 1867)
• Proboscidactyla brevicirrata Haeckel, 1879 accepted as Proboscidactyla flavicirrata Brandt, 1835
• Proboscidactyla brooksi (Mayer, 1910)
• Proboscidactyla circumsabella Hand, 1954
• Proboscidactyla conica Menon, 1932 accepted as Proboscidactyla ornata (McCrady, 1859)
• Proboscidactyla flavicirrata Brandt, 1835
• Proboscidactyla furcata (Haeckel, 1879) accepted as Proboscidactyla flavicirrata Brandt, 1835
• Proboscidactyla menoni Pagès, Bouillon & Gili, 1991
• Proboscidactyla mutabilis (Browne, 1902)
• Proboscidactyla occidentalis (Fewkes, 1889)
• Proboscidactyla ornata (McCrady, 1859)
• Proboscidactyla pacifica (Maas, 1909) accepted as Proboscidactyla flavicirrata Brandt, 1835
• Proboscidactyla prolifera (Agassiz & Mayer, 1902)
• Proboscidactyla stellata (Forbes, 1846)
• Proboscidactyla varians Browne, 1905 accepted as Willsia ornata McCrady, 1859 accepted as Proboscidactyla ornata (McCrady, 1859)
• Psythia prolifera Agassiz & Mayer, 1902 accepted as Proboscidactyla prolifera (Agassiz & Mayer, 1902)
• Willia brooksi Mayer, 1910 accepted as Proboscidactyla brooksi (Mayer, 1910)
• Willia furcata Haeckel, 1879 accepted as Proboscidactyla flavicirrata Brandt, 1835
• Willia gemmifera Fewkes, 1882 accepted as Willsia ornata McCrady, 1859 accepted as Proboscidactyla ornata (McCrady, 1859)
• Willia mutabilis Browne, 1902 accepted as Proboscidactyla mutabilis (Browne, 1902)
• Willia occidentalis Fewkes, 1889 accepted as Proboscidactyla occidentalis (Fewkes, 1889)
• Willia pacifica Maas, 1909 accepted as Proboscidactyla pacifica (Maas, 1909) accepted as Proboscidactyla flavicirrata Brandt, 1835
• Willsia ornata McCrady, 1859 accepted as Proboscidactyla ornata (McCrady, 1859)
• Willsia stellata Forbes, 1846 accepted as Proboscidactyla stellata (Forbes, 1846)