Urechidae
| Urechidae | |
|---|---|
| Urechis unicinctus at a market in Korea | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Clade: | Pleistoannelida |
| Clade: | Sedentaria |
| Subclass: | Echiura |
| Order: | Echiuroidea |
| Family: | Urechidae Monro, 1927 |
| Genus: | Urechis Seitz, 1907 |
| Species | |
| |
Urechidae (commonly known as "fat innkeeper" or "penis fish") is a family of spoonworms in the subclass Echiura. The only genus in the family is Urechis, which has four species.