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 Cancer astacus [ spec. nov. ] C. macrourus, thorace laevi, rostro lateribus dentato: basi utrinque dente unico. Fn. svec. 1249. Mus. Ad. Fr. 1. p. 87. Gesn. aquat. 104. Roes. ins. app. 1. t. 54, 55. Aldr. exsangu. 129. Matth. diosc. 228. Jonst. exsangu. t. 4. f. 1. Rond. pisc. 2. p. 210. Bellon. aquat. 355. Habitat in Europae lacubus, fluviis.