What is another word for amphineura?
Pronunciation: [ˈamfa͡ɪnjˌuːɹə] (IPA) 
Amphineura is a term used to describe a small group of marine organisms that lack a definite head or segmentation, and have soft bodies with a layer of calcareous plates. This group is also known as chitons. Some synonyms for amphineura are Polyplacophora, chitons, coat-of-mail shells, and many-plated shells. Each of these names refers to the defining characteristics of this group. Polyplacophora refers to the multiple plates that make up the shell, chitons is derived from the Greek word for tunic or coat, and coat-of-mail shells and many-plated shells refer to their tough, armored exterior. Despite their various names, amphineura are an important part of the marine ecosystem, serving as grazers and prey for larger predators.
