The Echinoid Directory
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Welcome to
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| About this site |
Scope and aims - how to get the most out of your visit to this site Update of changes (check here for new postings) |
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| Introduction | Sea urchins - what they are, how they live and a brief history of the group |
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Morphology and morphological terms |
An introductory guide to the morphology and terminology used in describing echinoids |
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Key to the families and genera |
An illustrated key that helps you identify echinoids to generic level, and gives more detailed information about the families and orders |
| Classification | A hierarchical listing of all genera and higher taxa used on this site |
| Index to taxa | Searchable, alphabetic listing of all taxonomic groups to genus level to take you straight to detailed information on that group |
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