The Nature LibraryEN·ES
iNat·47547OrderAnimalia3,061 field observations
  1. Animals
  2. ›Echinoderms
  3. ›sea urchins and sea cucumbers
  4. ›Sea Urchins, Sand Dollars, and Heart Urchins
  5. ›sea urchins
  6. ›irregular sea urchins
  7. ›Neognathostomata
  8. ›Sand Dollars and Sea Biscuits
Sea Biscuits
Plate 1 of 6. (c) Carol McDougall, some rights reserved (CC BY-NC), uploaded by Carol McDougall · via iNaturalist

Sea Biscuits

Clypeasteroida

The term sand dollar (also known as a sea cookie or snapper biscuit in New Zealand, or pansy shell in South Africa) refers to species of extremely flattened, burrowing sea urchins belonging to the order Clypeasteroida. Some species within the order, not quite as flat, are known as sea biscuits. Related animals include other sea urchins, sea cucumbers, and starfish.

Continue reading on Wikipedia

1 branches of this order, most-observed first

Sea Biscuits

suborderClypeasterina

See this branch on the Wheel of Life →
§·

Where it lives

Recorded sightings

—

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

Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.

§·

In the stacks

Searching the stacks…

Every page naming Clypeasteroida 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 47547.