Unio tumidiformis
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| Unio tumidiformis | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Unionida |
| Family: | Unionidae |
| Genus: | Unio |
| Species: | U. tumidiformis |
| Binomial name | |
| Unio tumidiformis Castro, 1885 | |
| Synonyms[2] | |
| |
Unio tumidiformis is a species of bivalve belonging to the family Unionidae.[1][2][3] It is endemic to the southwestern Iberian Peninsula.[1][2][4] Existing populations are known from the Guadiana, Mira, and Sado Rivers in Portugal and Spain.[1][4]
Unio tumidiformis is related to Unio crassus and has been considered a "race" of the latter, but a 2009 study found the two species to be clearly distinct.[4]
