C : larga quanto alta - wide as high
Janthina pallida Naticarius hebraeus
Thompson, 1840 ex Harvey ms. mm 15-25 (Martyn, 1784) mm 40-60
Naticarius stercusmuscarum Notocochlis dillwynii
(Gmelin, 1791) mm 50-60 (Payraudeau, 1826) mm 15-20
Osilinus turbinatus
(Von Born, 1778) mm 25-30
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