iNat·1383596superorderAnimalia20,241 field observationsThe Nature Library · Open stacks
- Animals
- ›Echinoderms
- ›sea urchins and sea cucumbers
- ›Sea Urchins, Sand Dollars, and Heart Urchins
- ›sea urchins
- ›Aulodonta
Diadematacea
The Diadematacia are a superorder of sea urchins. Unlike most other sea urchins, they generally have hollow spines. The tubercles on their tests are perforated, and most species possess gills.
2 branches of this group, most-observed first
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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 Diadematacea 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 1383596.