BabelNet

bn:00070003n

Noun Concept

Categories: Articles with short description, Commercial echinoderms, Extant Ordovician first appearances, Articles with 'species' microformats, Invertebrate animal models

sea urchin hurcheon sea-urchin urchin Apical disc

Shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells WordNet 3.0

Definitions

Relations

Sources

Shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells WordNet 3.0 & Open English WordNet

Sea urchins are spiny, globular echinoderms in the class Echinoidea. Wikipedia

Spiny marine echinoderm. Wikipedia Disambiguation

Class of marine invertebrates Wikidata

Zoophyte with a calcareous shell ornated with mobile spines. OmegaWiki

Any of many marine echinoderms, of the class Echinoidea, commonly found in shallow water, having a complex chewing structure named Aristotle's lantern. Wiktionary

Any of many marine echinoderms of the class Echinoidea. Wiktionary (translation)

IS A

HAS PART

PART OF

HAS KIND