What is another word for echinoidea?
Pronunciation: [ˈɛt͡ʃɪnˌɔ͡ɪdi͡ə] (IPA) 
Echinoidea is a scientific term for a group of marine animals commonly known as sea urchins. Some synonyms for this term include echinoderm, echinus, echidna, and echinozoa. These creatures are characterized by their spherical, spiny body and are typically found in oceans around the world. Sea urchins play a crucial role in marine ecosystems as they help to control the growth of algae and other organisms. They are also eaten by a variety of organisms, including humans, and are considered a delicacy in some cultures. Overall, echinoidea is an important term in biology and refers to a fascinating group of animals that are integral to the health of our world's oceans.
