Unio tumidus

Swollen river mussel
Conservation status
	; Least Concern (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Unionida
Family:	Unionidae
Genus:	Unio
Species:	U. tumidus
Binomial name
	Unio tumidus; Philipsson [de] in Retzius, 1788

Unio tumidus, the swollen river mussel, is a species of freshwater mussel, an aquatic bivalve mollusc in the family Unionidae, the river mussels.

Distribution

Its native distribution is European.^[1]^[3]

Croatia
Czech Republic - in Bohemia, in Moravia,^[4] vulnerable (VU)^[5]^[6]
Germany
- Germany - high endangered (Stark gefährdet) ^[7]
- Germany - Listed as a specially protected species in annex 1 in Bundesartenschutzverordnung.
Latvia
Lithuania - vulnerable
Netherlands
Poland
Slovakia
Sweden^[8]
British Isles - in England

^ ^a ^b Van Damme, D. (2011). "Unio tumidus". IUCN Red List of Threatened Species. 2011: e.T156111A4898810. doi:10.2305/IUCN.UK.2011-2.RLTS.T156111A4898810.en.
^ "Unio tumidus Philipsson in Retzius, 1788". Integrated Taxonomic Information System. Retrieved 13 July 2017.
^ "Unio tumidus Philipson, 1788". Fauna Europaea. Fauna Europaea Secretariat, Museum für Naturkunde, Berlin. Retrieved 13 July 2017.
^ (in Czech) Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. PDF.
^ Juřičková L., Horsák M. & Beran L., 2001: Check-list of the molluscs (Mollusca) of the Czech Republic. Acta Soc. Zool. Bohem., 65: 25-40.
^ Red List of the molluscs (Mollusca) of the Czech Republic http://mollusca.sav.sk/malacology/redlist.htm
^ Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, ISBN 3-923376-02-2
^ Swollen river mussel - Naturhistoriska riksmuseet

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