NOUN
- eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
How To Use jawless vertebrate In A Sentence
- And while jawless vertebrates were present in the Cambrian, it was not until the Ordovician that armored fish became common enough to leave a rich fossil record.
- And while jawless vertebrates were present in the Cambrian, it was not until the Ordovician that armored fish became common enough to leave a rich fossil record.
- Modern vertebrates are classified into two major groups, the gnathostomes (jawed vertebrates) and the agnathans (jawless vertebrates).
- In short, this analysis finds that conodonts are more derived than any of the living jawless vertebrates.
- When the fossilized lamprey lived, there were probably many types of jawless vertebrates.
- The hagfish, together with lampreys, are living representatives of the jawless vertebrates (class Agnatha) and are considered to be the most evolutionarily ancient vertebrates.
- The hagfish, together with lampreys, are living representatives of the jawless vertebrates (class Agnatha) and are considered to be the most evolutionarily ancient vertebrates.
- Some 450 million years ago, both jawed and jawless vertebrates began relying on cells called lymphocytes to support the burgeoning adaptive immune system.
- Sufficient articulated material exists to show that these animals were agnathans (jawless vertebrates), with a bony exoskeleton, and they appear to have inhabited shallow-marine environments.
- Litman next plans to look for novel immune genes in jawless vertebrates, such as lamprey and hagfish.
