| Jujubinus striatus (Linnaeus, 1758) |
 |
| W. English Channel to Canarias, Azores to Mediterranean. Micrograzer in the infralittoral-circalittoral, on seagrass beds or rocky algal environment. Basionym: Trochus striatus. The species has a large and flat suprasutural cord. – 3-5m deep, in weeds, Xlendi bay, Gozo island, Malta. 4-4mm. |
 |
Western form: finely corded, with a weaker sculpture than exasperatus. Synonyms: conicus, multistriatus, parvulus, parvus… – 2m deep, Águilas, Murcia, S. Spain. 9mm. |
 |
| Typical basal cords, sharper, thinner than in gravinae. Cap d’Agde, S. France. 3,5mm. |
 |
| A form without sutural bead. Adult and subadult specimens collected at 3-5m deep, in the wide Posidonia meadow of the Anse des Fossettes, at the root of the eastern peninsula, Saint-Jean-Cap-Ferrat, Alpes-Maritimes, SE. France. 5,5-9mm. |
 |
| Another specimen devoid of marked sutural bead, found on rocky shore, east of La Baume Beach, Esterel area, Giens Peninsula, Var, S. France. Original picture provided by M. Matejčeková for iNaturalist – (CC BY-NC). |
 |
| Young specimen collected at 2-3m deep, on leaves of Posidonia oceanica, Cap Dramont, Saint-Raphaël, Var, SE. France. 4mm. |
| — back to Trochidae — |