echinidan
noun as in strong fondness
Word Combinations
Example:The sea urchins were scattered across the sandy bottom of the ocean floor.
Definition:A member of this subclass that is a marine animal with a globular body covered with spines.
From sea urchin
Example:A school of small sand dollars swam gracefully along the sandy shore.
Definition:A flat, disk-like sea urchin that buries itself in sandy or muddy substrates in shallow water.
From sand dollar
Example:Heart urchins are found buried in the mud of the deep sea.
Definition:A sea urchin shaped like a heart and burrowing in sand or mud.
From heart urchin
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