Pisidium lilljeborgii

A moderately swollen (tumid), trapezoidal shell. The umbos are just behind the mid point and described as fairly narrow. The surface (periostracum) is slightly glossy and has coarse, irregular concentric striae. The colour is grey to brownish white. Pisidium lilljeborgii has a less equilateral shape than Pisidium hibernicum 3-4.5mm.

• Not listed in IUCN red list – not evaluated (NE)2006 IUCN Red List of Threatened Species. . Cited 29 May 2007.
• Germany – high endangered (Stark gefährdet) Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, {{ISBN|3-923376-02-2}}
• Nordic countries: Denmark, Faroes, Finland, Iceland, Norway and Sweden{{Citation

| last = Kuiper

| first = J. G. J.

|author2=Økland, K. A. |author3=Knudsen, J. |author4=Koli, L. |author5=von Proschwitz, T. |author6=Valovirta, I.

| title = Geographical distribution of the small mussels (Sphaeriidae) in North Europe (Denmark, Faroes, Finland, Iceland, Norway and Sweden)

| journal = Annales Zoologici Fennici

| volume = 26

| issue = 2

| year = 1989

| pages = 73–101

| url =http://www.sekj.org/PDF/anzf26/anz26-073-101.pdf}}

• Great Britain and IrelandRoy Anderson ,2005 An annotated list of the non-marine molluscs of Britain and Ireland Journal of Conchology, 38 (6): 607–637, (published 2005)

[http://www.conchsoc.org/sites/default/files/MolluscWorld/Anderson-2008.pdf].

{{Reflist}}

• [http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=2753 Pisidium lilljeborgii] at Animalbase taxonomy,short description, biology,status (threats), images

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lilljeborgii

Category:Molluscs described in 1886

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