Summary description from Wikipedia:

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©Efraín Octavio Aguilar Pérez, some rights reserved (CC-BY-NC)

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©Ellyne Geurts, some rights reserved (CC0)

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©Se Lena, some rights reserved (CC-BY)

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©Angie, some rights reserved (CC-BY-NC)

Parent Taxon

• N/A

Sibling Taxa

• Echinidae
• Odontophora
• Parechinidae

Child Taxa

• Echinometridae
• Strongylocentrotidae
• Toxopneustidae

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