Summary description from Wikipedia:

Euechinoidea in languages:

Afrikaans

Seekastaiings

Croatian

Morski ježinci

English

sea urchins

Japanese

真ウニ亜綱

Thai

เม่นทะเล

Turkish

Denizkestaneleri

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Parent Taxon

• N/A

Sibling Taxa

• Cidaroidea
• Euechinoidea

Child Taxa

• Aulodonta
• Carinacea
• Irregularia

Top Observation Places

• San Juan