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 Dytiscus natator [ spec. nov. ] D. ovatus glaber, antennis capite brevioribus obtusis. Fn. svec. 572. Pet. gaz. t. 13. f. 9. Scarabaeus niger supra aquam velociter circumnatans. Maribus pedum anteriorum plantae hemisphaericae, Feminis saepius elytra sulcata. Raj . ins. 87. n. 9. Scarabaeus? subrotundus e caeruleo viridi splendente undique tinctus. Roes. app. 1. p. 195. f. 31. Habitat in Europae lacubus, cursitans supra aquam velocissime ; in America. Kalm.