Freshwater sponge
- kingdom: Animalia
- phylum: Porifera
- class: Demospongiae
- order: Spongillida
- family: Spongillidae
- genus: Spongilla
- species: Spongilla lacustris
Võru
Võrumaa
EstoniaKahl am Main
BavariaBüddenstedt
Lower SaxonyWürselen
North Rhine-WestphaliaBelgern
Flöha
Wilkau-Haßlau
SaxonyPlön
Schleswig-Holstein
GermanyBeekbergen
Burgemeesterswijk
Doorwerth
Gulden Bodem
GelderlandKortenhoef
North HollandSliedrecht
South Holland
NetherlandsMiddlebury
Connecticut
United States