echinid (Meaning)
Webster
echinid (a. & n.)
Same as Echinoid.
Synonyms & Antonyms of echinid
No Synonyms and anytonyms found
FAQs About the word echinid
Same as Echinoid.
No synonyms found.
No antonyms found.
Echinīds, also known as sea urchins, are marine invertebrates belonging to the class Echinoidea.
The echinid body is characterized by a spherical, flattened, or heart-shaped test composed of numerous interlocking plates.
Echinids possess a unique water vascular system that aids in locomotion, feeding, and respiration.
Tube feet, small muscular appendages extending from the water vascular system, help echinids move and attach to surfaces.