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Taxa

Echinoidea

Class

The sea urchins and sand dollars: echinoderms with a rigid, globular or flattened shell (test) covered in movable spines used for defense and locomotion. Echinoidea graze algae from rock surfaces using a complex five-part jaw structure known as Aristotle's lantern.

Facts
Disputed
Member Species/Taxa Count
950 2
Approximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized.
Taxonomic Rank
Class 2
Scientific Name
Echinoidea 2
Classification
Living or Extinct
Yes 1
Connections

Child Taxon Of

Echinodermata, Taxa
Source Catalogue of Life

Parent Taxon Of

Purple Sea Urchin, Species
Source Wikidata: Purple Sea Urchin
Sand Dollar, Species
Source Wikidata: Sand Dollar
Sources
1. Wikidata (taxon extant/extinct status)
Wikimedia Foundation / Wikidata contributorsQ83483, descriptionView the Source
2. Catalogue of Life
Species 2000 & ITIS Catalogue of LifeView the Source
Wikidata: Echinoidea
Wikidata Q83483, class allow-list match (w-wdresolver-0926)View the Source
Wikidata: Purple Sea Urchin
Parent Taxon Of: Purple Sea Urchin, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Sand Dollar
Parent Taxon Of: Sand Dollar, Wikidata parent-taxon (P171) chainView the Source
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