A flattened, disk-like sea urchin found burrowing in soft sediments of shallow tropical and temperate seas; tubular feet arranged in a petal-like pattern on the upper body surface, serving a respiratory function; c.130 living species. (Class: Echinoidea. Order: Clypeasteroida.)
| ?Sand Dollar | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Closeup of a Sand Dollar |
||||||||||||
| Scientific classification | ||||||||||||
|
||||||||||||
| Suborders | ||||||||||||
| Laganina Rotulina Scutellina |
Sand dollars are in the Echinoid (Echinoderms) class of marine animals.
User Comments Add a comment…