ADW: Class Echinoidea
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Scan day: 04 March 2014 UTC
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Description: Photographs and information on the heart urchins, sand dollars and sea urchins from the Animal Diversity Web.
By Judy Follo and Daphne G. Fautin There are approximately 940 species of echinoids distributed worldwide in marine habitats from the intertidal to 5000 meters deep. Their fossil record is extensive due to their test (an internal skeleton), and dates back to the middle Ordovician period.
Size: 288 chars
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| Page title: | ADW: Echinoidea: INFORMATION |
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| IP-address: | 141.213.176.11 |
WHOIS Info
| NS | Name Servers: DNS1.ITD.UMICH.EDU 141.211.144.15 DNS2.ITD.UMICH.EDU 141.211.125.15 |
| WHOIS | |
| Date | activated: 07-Oct-1985 last updated: 14-Feb-2014 expires: 31-Jul-2014 |