Jawless fish, belonging to the superclass Agnatha, are among the earliest known vertebrates, with a fossil record that dates back hundreds of millions of years. These primitive creatures provide crucial
Jawless fish, belonging to the superclass Agnatha, are some of the most ancient vertebrates on Earth. These primitive creatures provide critical insights into the early stages of vertebrate evolution, showcasing
Jawless fish represent one of the most ancient and primitive groups of vertebrates. Unlike most fish, these creatures lack jaws and paired fins, giving them a distinct appearance and set
