Urechis caupo | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Annelida |
Clade: | Pleistoannelida |
Clade: | Sedentaria |
Subclass: | Echiura |
Order: | Echiuroidea |
Family: | Urechidae |
Genus: | Urechis |
Species: | U. caupo
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Binomial name | |
Urechis caupo |
Urechis caupo is a species of spoon worm in the family Urechidae, commonly known as the innkeeper echiuran,[2] the fat innkeeper worm (because their tunnels often contain other animals),[3] the innkeeper worm,[4] or the penis fish.[5] It is found in shallow water on the west coast of North America, between southern Oregon and Baja California,[6] where it forms a U-shaped burrow in the sediment and feeds on plankton using a mucus net.[7]
Parr
was invoked but never defined (see the help page).