Species
Dendraster excentricus (Eccentric sand dollar)
Dendraster excentricus. Photo: (c) Paweł Pieluszyński, some rights reserved (CC BY-NC)
Eccentric sand dollar (Dendraster excentricus), also known as the sea-cake, biscuit-urchin, western sand dollar, or Pacific sand dollar, is a member of the order Clypeasteroida, better known as sand dollars, a species of flattened, burrowing sea urchins found in the northeast Pacific Ocean from Alaska to Baja California.
- Humboldt Life
- Kingdom: Animalia (Animals)
- Phylum: Echinodermata (Echinoderms)
- Subphylum: Echinozoa (Sea urchins and sea cucumbers)
- Class: Echinoidea (Sea urchins, sand dollars, and heart urchins)
- Subclass: Euechinoidea (Sea urchins)
- Infraclass: Irregularia (Irregular sea urchins)
- Subterclass: Neognathostomata
- Superorder: Luminacea (Sand dollars and sea biscuits)
- Order: Echinolampadacea (Sand dollars)
- Suborder: Scutelloida
- Infraorder: Scutelliformes
- Superfamily: Scutelloidea
- Family: Dendrasteridae
- Genus: Dendraster
- Species: Dendraster excentricus (Eccentric sand dollar)
- Genus: Dendraster
- Family: Dendrasteridae
- Superfamily: Scutelloidea
- Infraorder: Scutelliformes
- Suborder: Scutelloida
- Order: Echinolampadacea (Sand dollars)
- Superorder: Luminacea (Sand dollars and sea biscuits)
- Subterclass: Neognathostomata
- Infraclass: Irregularia (Irregular sea urchins)
- Subclass: Euechinoidea (Sea urchins)
- Class: Echinoidea (Sea urchins, sand dollars, and heart urchins)
- Subphylum: Echinozoa (Sea urchins and sea cucumbers)
- Phylum: Echinodermata (Echinoderms)
- Kingdom: Animalia (Animals)
Sightings
