Stagnicola fuscus (C. Pfeiffer 1821)

Description: English: Stagnicola fuscus in Kirchwerder, Hamburg. Deutsch: Braune Schlammschnecke Stagnicola fuscus in Kirchwerder, Hamburg. Date: 2 April 2011. Source: Own work. Author: Aiwok.

Description: English: Pfeiffer, C. 1821. Naturgeschichte deutscher Land- und Süsswasser-Mollusken. Erste Abtheilung. - pp. I-X [= 1-10], 1-134, [1-2]. Weimar. (Landes-Industrie-Comptoir). Original description of Limnaeus fuscus. Date: 25 June 2014, 20:42:29. Source: http://gdz.sub.uni-goettingen.de/dms/load/img/?PPN=PPN620452412&IDDOC=536947. Author: Carl Pfeiffer.

Description: English: Pfeiffer, C. 1821. Naturgeschichte deutscher Land- und Süsswasser-Mollusken. Erste Abtheilung. - pp. I-X [= 1-10], 1-134, [1-2]. Weimar. (Landes-Industrie-Comptoir). Taf IV figure 25 is Lymnaea fuscus. Date: 25 June 2014, 21:07:09. Source: http://gdz.sub.uni-goettingen.de/dms/load/img/?PPN=PPN620452447&DMDID=DMDLOG_0002&LOGID=LOG_0005&PHYSID=PHYS_0010. Author: Carl Pfeiffer.