Links

Headword, Title, Website	Remarks
Australian Faunal Directory	Search machine
Australian Museum Collection, Marine Invertebrates	Some of the the most common sea urchins are shown
CAAB Search results	Links to taxon reports for more than 200 sea urchins
Clypeasteroida from Mexico	Los equinoideos del Pacifico de Mexico parte tercero-orden Clypeasteroida. In Spanish language, but with many photos.
Deep sea echinoids	Some pictures
Do urchins have any sense?	PDF-file
Duplicates of Robert Márques	General information and duplicates with pictures from the Spanish collector Robert Márques (works at least with IE)
Echinideintroduction	A very nice French site with many pictures.
Echinodermata	Japanese site with many field-photos, partly from sea urchins
Echinoidea	Website from Dr. Dafni with some information and a lot of good pictures
Echinoids on pictures	Henk van Noordenburg shows parts of his (former) famous collection (recent and fossil). A lot of fine photos.
Echinoids.nl	Website from Bas van der Steld with more than 250 urchins online. Very fine pictures! General information and photos from some other well known collectors.
Echinologia (Menu principal)	Le site des oursins fossiles
European Echinodermata Checklist	PDF-file, from Tjärnö Marine Biological Labaratory (TMBL)
Faune marine de Mediterranée	Alphabetic list with links to all kinds of echinoderms
Fischfinder	An Online-guide for fishes and reefs, in German
Fossile & rezente Seeigel	Echinodermaten by Peter Lade. He offers a CD-ROM. Although the CD is in German language, you may find really a lot of pictures, which are not available elsewhere.
Genetic differentiation in the New Zealand sea urchin Evechinus chloroticus	PDF-file
GOBASE Taxon Query	The Organelle Genom Database
Hawai´i Coral Reef Network	Very fine field-photos and interesting links
Introduction to the Echinoidea	Only a short introduction
MarBEF Data System	With many links to marine life in European waters
Marine biology	A lot of very fine field-photos!
MarLIN, the Marine Life Information Network for Britain & Ireland	Search-machine
MBari Deep Sea Echinoids	Some nice field-photos
Meerwasser-Lexikon	A lot of field-photos with links to further information (in German)
NaturalArt	Belgian seller. Have a look from time to time, as interesting urchins may be quickly out of stock!
Necromance	Seller, offers some sea urchins for reasonable prices
NMV Shellers Directory	List for shell collectors. With good luck you may find anyone, who sells or collects sea urchins.
Ocean Biogeographic Information System	OBIS, a search-engine with good taxa information. More or less restricted to America.
Ocean Footage	Some field-photos
OCEANOGRAPHIC SURVEYS ON BOARD OF THE O/B "EL PUMA" VESSEL	THE SPECIES OF THE GENUS HESPEROCIDARIS MORTENSEN, ASTROPYGA GRAY, ARBACIA GRAY AND LYTECHINUS AGASSIS. In Spanish language with black/white photos
Sea urchin embryology	With good information
Sea urchin embryology tutorial	Basically for students, but the information are also useful for collectors.
Sea urchin world records	Information concerning the biggest, the smallest etc. sea urchins. Very interesting!
Sea urchins, a tasty subject	General information with nice pictures from Reefkeeping
Taxinomie	Arbre taxinomique des principaux genres d´oursins fossiles et actuels.
Taxonomie browser	From National Center of Biotechnology Information (NCBI), USA
The Echinoid Directory	The echinoid bible! A must for every collector! If you have useful information or pictures, give them to Dr. A. B. Smith from the Natural Historic Museum
The Taxonomicon	Taxonomy search-engine
Tests and cross-sections of sea urchin spines	With some nice pictures
Urchins I	Website with nice pictures from Wetwebmedia and descriptions of some species
Urchins II	Website with nice pictures from wetwebmedia and descriptions of some species
Urchins of Hawai´i	Surely an incomplete list
www.sea-urchins.com/	Facts about the books „Sea Urchins, a guide to worldwide shallow water species“ and “Sea urchins II, worldwide irregular deep water species” by Heinke Schultz. Probably the best books on the market after Mortensen!