Image of Dendraster L. Agassiz ex Agassiz & Desor 1847
Description:
The aboral side of the shell (test) has the off-centered petalidium, as seen clearly here in a dead specimen which has lost its spines. Note also that, unlike urchins which have 5, sand dollars have only 4 gonopores, visible around the star-shaped pattern in the center.
Included On The Following Pages:
- Life (creatures)
- Cellular (cellular organisms)
- Eukaryota (eukaryotes)
- Opisthokonta (opisthokonts)
- Metazoa (Animal)
- Bilateria
- Deuterostomia (deuterostomes)
- Echinodermata (echinoderms)
- Echinozoa
- Echinoidea (sea urchins)
- Euechinoidea
- Irregularia
- Neognathostomata
- Clypeasteroida (Sand dollars)
- Scutellina
- Scutelliformes
- Scutelloidea
- Dendrasteridae
- Dendraster
- Dendraster excentricus (eccentric sand dollar sea urchin)
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- Rosario Beach Marine Laboratory
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- Invertebrates of the Salish Sea
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- Invertebrates of the Salish Sea
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