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iNat·774993subterclassAnimalia114,907 field observations
  1. Animals
  2. ›Echinoderms
  3. ›sea urchins and sea cucumbers
  4. ›Sea Urchins, Sand Dollars, and Heart Urchins
  5. ›sea urchins
  6. ›Carinacea
Echinacea
Plate 1 of 9. (c) sortor, some rights reserved (CC BY-NC) · via iNaturalist

Echinacea

The Echinacea are a superorder of sea urchins. They are distinguished by the presence of a rigid test, with ten buccal plates around the mouth, and solid spines. Unlike some other sea urchins, they also possess gills. The group is a large one, with species found worldwide.

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4 branches of this group, most-observed first

Camarodonta

orderCamarodonta

Arbacioida

orderArbacioida

Stomopneustoida

orderStomopneustoida

Salenioida

orderSalenioida

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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In the stacks

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Every page naming Echinacea in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 774993.