CABI: Procambarus fallax f. virginalis (Marmorkrebs)GB non-native species secretariat: Marbled Crayfish, Procambarus marmorkrebsPublikationerPöckl & al. 2006. Identifying native and alien crayfish species in Europe. Project Craynet publication.Martin, P., Dorn, N.J., Kawai, T., van der Heiden, C., Scholtz, G. (2010) The enigmatic Marmorkrebs (marbled crayfish) is the parthenogenetic form of Procambarus fallax (Hagen, 1870). Contributions to Zoology, 79, 107–118. http://www.ctoz.nl/cgi/t/text/get-pdf?c=ctz;idno=7903a03 [refererat 18.3.2016] (bestämning)Faulkes, Z. 2015. Marmorkrebs (Procambarus fallax f. virginalis) are the most popular crayfish in the North American pet trade. Knowledge and Management of Aquatic Ecosystems 2015:416, 20. DOI:10.1051/kmae/2015016 eller den direkta länken (pdf). [refererat 16.3.2016]Renals, Trevor. 2014. Beware of Marmorkrebs; the clones are here! Non-Native Species Newsletter: Spring Edition 2014. Invasive Species Action Group. p. 1–1.Chucholl, C., Pfeiffer, M. (2010) First evidence for an established Marmorkrebs (Decapoda, Astacida, Cambaridae) population in Southwestern Germany, in syntopic occurrence with Orconectes limosus (Rafinesque, 1817). Aquatic Invasions, 5, 405–412. doi:10.3391/ai.2010.5.4.10 http://www.aquaticinvasions.net/2010/AI_2010_5_4_Chucholl_Pfeiffer.pdfDiskussionhttp://marmorkrebs.blogspot.dk/2016/02/has-european-union-regulated-marmorkrebs.html

Marmorkrebs (marbled crayfish) – Procambarus fallax f. virginalis