What is another word for ostracoderm?
Pronunciation: [ˈɒstɹɐkˌə͡ʊdəm] (IPA) 
The word "ostracoderm" refers to a prehistoric fish that lived approximately 395 to 408 million years ago. This fish is also known as a jawless fish because it lacked the ability to bite or chew due to the absence of a jaw. There are several synonyms for the word "ostracoderm," including "anaspids," "thelodonts," and "heterostracans." These terms all refer to different types of jawless fish that existed during the same time period as ostracoderms. Although ostracoderms are now extinct, they played a significant role in the evolution of vertebrate animals and their unique characteristics have helped scientists learn more about early aquatic life.
