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Looking for a directory of carefully selected sites in Science, Biology, Flora and Fauna, Animalia, Echinodermata, Echinoidea ? Actimania, based on the largest, most comprehensive human-edited directory of the web, covers a large variety of annotated sites related to Science, Biology, Flora and Fauna, Animalia, Echinodermata, Echinoidea. This category lists wide range of carefully selected sites in Science, Biology, Flora and Fauna, Animalia, Echinodermata, Echinoidea.

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See also:

Science: Biology: Developmental Biology: Model Organisms: Sea Urchin (1)

http://www.microscopy-uk.org.uk/mag/artaug05/rh-seaurchin.html

» Calcareous Flowers: Tests and Cross-sections of Sea Urchin Spines. - Photographic study by Richard Howey with some fine photographs of the intricate beauty of these structures.

http://www.nhm.ac.uk/research-curation/projects/echinoid-directory/intro/introduction.html

» Echinoid Directory - Biology, phylogeny, and classification of sea urchins.

http://www.nhm.ac.uk/palaeontology/echinoids/

» The Echinoids - Information about sea urchins, such as how they live, feed, and reproduce. There is also an alphabetic listing of their taxa. From The Natural History Museum, London.

http://www.peterbrueggeman.com/nsf/fguide/echinodermata5.html

» Heart Urchin: Abatus sp. - Photographs and information on several species of heart urchin found in McMurdo Sound in Antarctica.

http://www.fao.org/fi/website/FIRetrieveAction.do?dom=species&fid=3621

» Loxechinus albus - Factsheet from the FAO on the Chilean Sea Urchin which is eaten in Chile and Peru, its distinguishing features, distribution, habitat and biology.

http://encarta.msn.com/encnet/refpages/RefArticle.aspx?refid=761560371

» MSN Learning & Research Plus: Sea Urchin - Online encyclopedia article.

http://www.peterbrueggeman.com/nsf/fguide/echinodermata20.html

» Pencil Urchin: Ctenocidaris perrieri - Photographs and information on this urchin found in the icy waters of Antarctica.

http://www.starfish.ch/collection/seeigel.html

» Photos of Sea Urchins - Photos of Echinoidea from the Indo-Pacific, with text about behavior, habitat, and characteristics.

http://en.wikipedia.org/wiki/Red_sea_urchin

» Red Sea Urchin - Information from Wikipedia on this species, Strongylocentrotus franciscanus, including its description, feeding habits, behavior and reproduction.

http://www.microscopy-uk.org.uk/mag/artjul00/urchin1.html

» Sea Urchin: A Stinging but Amazing Animal - Article by Jean-Marie Cavanihac on these animals with many photographs of their development.

» Sea Urchin Embryo - A page from the Laboratory of Embryonic Gene Expression, included here for three beautiful photographs.

» Sea Urchin Embryology - Laboratory modules using sea urchin eggs to explore fertilization and development.

http://www.microscopy-uk.org.uk/mag/artmay02/urchin2.html

» Sea Urchins Revisited - Photographic study by Jean-Marie Cavanihac of the sea urchin with some microscopic features of interest to the amateur naturalist.

http://www.peterbrueggeman.com/nsf/fguide/echinodermata1.html

» Sterechinus neumayeri - Photographs and information on this urchin found in Antarctica which often camouflages itself with bits of shell and debris.

http://webs.lander.edu/rsfox/invertebrates/strongylocentrotus.html

» Strongylocentrotus drobachiensis - Exercise from Invertebrate Anatomy OnLine covering the systematics, external and internal anatomy of the green sea urchin.

http://digimorph.org/specimens/Strongylocentrotus_purpuratus/

» Strongylocentrotus purpuratus - Photograph and information on the purple sea urchin.

http://www.microscopy-uk.org.uk/mag/artdec02/rhcharge.html

» Who is in Charge Here? - Illustrated article by Richard L. Howey considering how creatures with no brains, such as the sea urchin, react appropriately to their surroundings.

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