Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis Author Linnaeus, Carolus text 1758 Laurentius Salvius Stockholm https://archive.org/download/mobot31753000798865/mobot31753000798865.pdf book 2C6327E1-5560-4DB4-B9CA-76A0FA03D975 https://doi.org/10.5962/bhl.title.542 3922206 Trochus zizyphinus [ spec. nov. ] T. testa imperforata conica livida laevi, anfractibus subcarinatis. Bonan. recr. 3. t. 93. Rumph. mus. t. 21. f. 1. List. angl. 166. t. 3. f. 14. Gvalt. test. t. 61. f. B, C. Argenv. conch. t. 11. f. N ? Klein. ostr. t. 2. f. 36. Habitat in M. Mediterraneo & Europaeo. Testa, exuta tunica extima, plumbea evadit. * * * Turriti umbilico exserto, qui positi cadunt in latus.