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 Bulla livida [ spec. nov. ] B. testa ovato-cylindrica, spira subelevata obtusiuscula, columella quinque-plicata. Gvalt. test. t. 25. f. B. Habitat in Africa. Testa livida fasciis transversis, pallidis, obsoletis.