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| Tylodina perversa | |
|---|---|
| |
| A live individual of Tylodina perversa, head end towards the top | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Clade: | Euopisthobranchia |
| Family: | Tylodinidae |
| Genus: | Tylodina |
| Species: | T. perversa
|
| Binomial name | |
| Tylodina perversa (Gmelin, 1791)
| |
Tylodina perversa, common names the "yellow tylodina" or "yellow umbrella slug", is a species of sea snail or false limpet, a marine opisthobranch gastropod mollusk in the family Tylodinidae.
This opisthobranch has a limpet-like shell which is composed primarily of protein, not calcium carbonate.