Jawless agnatha, survive today as:
AOstracoderm
BHagfish
CPlacoderm
DAcanthodian
Answer:
B. Hagfish
Read Explanation:
Hagfish and lampreys are the two jawless fish that survive today from the group of agnathans, or jawless fish: Hagfish These eel-like scavengers are found in oceans around the world, except for the polar regions. They have slime glands that release mucus to escape predators. Hagfish are not considered vertebrates, and are classified in their own subphylum, Myxine, within the phylum Chordata. Lampreys These eel-like fish are vertebrates and have been a serious pest in the Great Lakes, where they have reduced the numbers of lake trout and other species.