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Echinoderms found primarily on Ocean Isle Beach and Sunset Beach, North Carolina

Rather than being organized, usually the most recent photos are posted at the top.

Copyright 2008 Jo O'Keefe All Rights Reserved

Other local area nature photos can be viewed at www. okeefes.org.
Sea Stars
Tropical Storm Hannah departed from Sunset Beach. NC, and Little River, SC, on 9/6/08. after making landfall the preceding evening. At low tide I found the island looking like Mars, with sea stars everywhere covered with sand. A woman and I rinsed them off in the inlet and sorted them.
 
Purple Star
I brought some sea stars home to save in case an agency wanted them. Unfortunately, the "stone" of my aerator backed its way out of their container during the night. Some of them died. The best species, even the broken purple one, are now frozen for scientific use.
Sea Star, species unknown
Luidia clathrata, 12/02/06, Sunset Beach, NC
Luidia clathrata, striped Sea star found on Sunset Beach, 11/22/06
An unusual sea star for here, Luidia alternata, found on 09/01/06 on Sunset Beach the day after Tropical Storn Ernesto
   
Forbes Sea Star found on Sunset Beach on 11/2/06
Astropecten articulatus, beaded or marginated sea star, found on Sunset Beach on 10/22/06, and another from 11/20/06
Luidia clathrata, Left and another Luidia, Right
Sanibel Bay Sea Star
Luidia senegalensis found on Sanibel Island, Florida
Brittle Stars
Brittle stars found on in seaweed from Edisto Beach, SC, on 3/4/07 -- they were each about four inches wide while curled.
Ophiolepsis elegans -- I think! The right one was 5" wide and found on Sunset Beach, NC, on 10/21/06
   
Brittle Stars, Ophiothrix angulata, found in seaweed
Brittle star and macro photo of its disk
Sea Cucumbers
Hairy Sea Cucumbers found on Sunset Beach, 11/2/06 -- 1st 3 photos
Hairy Sea Cucumber found on Sunset Beach, NC, 11/14/06
Hairy Sea Cucumber, Sclerodactyla briareus
Striped Sea Cucumber, Thyonella gemmata Pourtales
Unidentified sea cucumber
   
Hairy Sea Cucumber, Sclerodactyla briareus -- the one on the right is in my salt water aquarium
Sea Urchins
Sea urchinm probably Lytechinus variegatus
Aristotle's Lantern -- Center "infrastructure" of Sea Urchin
Sea urchin anus
Sea Urchin tests
Sand Dollars
Sand Dollars -- left, with Aristotle's Lanterns, center "infrastructure of" sand dollar
Sand Dollars -- live, emerging from sand
Sand dollars encrusted with sabellariid worm tubes
   
Portions of sand dollar viewed through microscope