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The familiar exoskeleton (test) of a sand dollar—often found cast up on a beach—is white, with an obvious five-pointed shape on the back. But a live sand dollar has a different look. Densely packed, tiny, dark purple spines cover live sand dollars and hide the star design. ... Cool Facts...
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www.montereybayaquarium.org/animals/AnimalDetails.aspx?...
www.montereybayaquarium.org/animals/AnimalDetails.aspx?id=779056
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Sand dollar - common name for a marine animal in the same phylum as the starfish (see sea star). The sand dollar has a rigid, flattened, disk-shaped test, or shell, made of firmly united plates... ... The sand dollar has a rigid, flattened, disk-shaped test, or shell, made of firmly united plates lying just beneath the...
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education.yahoo.com/reference/encyclopedia/entry/sanddo...
education.yahoo.com/reference/encyclopedia/entry/sanddoll
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If a sand dollar is found alive it will appear to have a layer of very fine hair on its body. These are the spines. They are a slow moving grazer that feeds on disintegrating organic material found within their sand beds.
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www.seashells.org/identcatagories/sanddollarstypes.htm
www.seashells.org/identcatagories/sanddollarstypes.htm
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Sand dollar - Wikipedia, the free encyclopedia
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Sand dollars (order Clypeasteroida) are flat, round marine animals related to sea urchins, sea stars, and other echinoderms. The most common sand dollar, Echinarachnius parma , is widespread in cir...
en.wikipedia.org/wiki/Sand_dollar
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Sand Dollar Printout. Sand Dollars are echinoderms (a type of invertebrate), spiny-skinned animals that live on the sea floor. They have 5-part radial symmetry. ... The Sand Dollar is a spiny, hard-skinned animal that is shaped like a coin (a flattened disk). There are many different species of sand dollars. They live on...
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www.enchantedlearning.com/subjects/invertebrates/echino...
www.enchantedlearning.com/subjects/invertebrates/echinoderm/Sanddollarprintout.shtml
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The Sand Dollar Dendraster excentricus is a marine invertebrate that lives in the sandy bottoms of sheltered bays and open coastal areas. They form dense beds in the low intertidal and subtidal zones of sheltered bays, and in the subtidal zone just beyond the break zone of coastal areas. ... ; Other interesting facts:
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bss.sfsu.edu/geog/bholzman/courses/Fall02%20projects/sa...
bss.sfsu.edu/geog/bholzman/courses/Fall02%20projects/sandollar/sanddollar.html
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The sand dollar is an echinoderm. Learn more about the sand dollar at HowStuffWorks. ... Sand Dollar, a small disc-shaped marine animal closely related to the sea urchin. Sand dollars live on the sandy ocean floor. Their grayish-white skeletal remains are often found washed up on coastal beaches. ... Animal Facts...
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animals.howstuffworks.com/marine-life/sand-dollar-info....
animals.howstuffworks.com/marine-life/sand-dollar-info.htm
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s. The most common sand dollar, Echinarachnius parma ... The Common Sand Dollar is a species of sand dollar native to the Northern Hemisphere. It is circumpolar, and can be found on the North American east coast from New Jersey north, as well as in Alaska, British Columbia, Siberia and Japan...
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www.absoluteastronomy.com/topics/Sand_dollar
www.absoluteastronomy.com/topics/Sand_dollar
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