Skip to page content
Research and curation
Business centre
About us
Search
Home
Visit us
Nature online
NaturePlus
Kids only
Education
Support us
Buy online
Tring
You are here:
Home
>
Research & Curation
>
Research
>
Research projects
>
Echinoid directory
The Echinoid Directory
Home
Introduction
Morphology
Keys
Classification
3D models
Index to taxa
Glossary
Log in
Family Parechinidae Mortensen, 1903
Diagnosis
Echinoida with:
Interambulacral plates densely tuberculate, with multiple subequal tubercles;
Buccal notches feebly developed;
Globiferous pedicellariae with widely open blade bearing numerous lateral teeth
Range
Miocene to Recent
Thumbnail gallery of genera