What is another word for testacea?
Pronunciation: [tɛstˈe͡ɪsi͡ə] (IPA) 
Testacea is a term that refers to animals and plants that have hard, calcareous shells or skeletons. There are many synonyms for testacea, depending on the type of species being described. For example, mollusks with shells are often known as testate or shelled animals. Similarly, foraminifera and other microorganisms with calcareous shells are known as testate amoebae. Other synonyms for testacea include calcified animals, calcareous organisms, and calcareous skeletons. Regardless of the term used, the presence of a hard, protective shell is a common feature of these organisms, providing them with protection against predators and stability in their environments.
