What is another word for Echinoid?
Pronunciation: [ˈɛt͡ʃɪnˌɔ͡ɪd] (IPA) 
Echinoids are a type of marine animal that are commonly called sea urchins. These creatures are characterized by their hard, spiny shells and spherical bodies. While the word "echinoid" is the most commonly used term to describe these animals, there are several synonyms that are often used as well. Some of these synonyms include sea urchin, sand dollar, sea biscuit, and sea hedgehog. Each of these terms describes a specific type of echinoderm, and they are often used interchangeably. No matter which term you prefer to use, echinoids are fascinating creatures that play an important role in marine ecosystems around the world.
