Type species: Mucronella perforata Okada & Mawatari, 1937
This genus includes the species:
| Pacificincola aviculifera | (Osburn, 1914) | Recent | West Atlantic |
| Pacificincola perforata | (Okada & Mawatari, 1937) | Recent | NW Pacific |
Reference: Liu Xixing & Liu Huilian, 1999.
Systematic position of Mucronella perforata Okada et Mawatari 1937.
Chinese Journal of Oceanology and Limnology 17: 338-343.
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