Ptychatractus
Ptychatractus is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).
Ptychatractus | ||||||||||||||
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Taxonomische indeling | ||||||||||||||
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Geslacht | ||||||||||||||
Ptychatractus Stimpson, 1865 | ||||||||||||||
(en) World Register of Marine Species[1] | ||||||||||||||
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Soorten
- Ptychatractus californicus Dall, 1908
- Ptychatractus ligatus (Mighels & C. B. Adams, 1842)
- Ptychatractus occidentalis Stearns, 1873
- Ptychatractus youngi Kilburn, 1975
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