3D mouth of an ancient jawless fish suggests they were filter-feeders, not scavengers or hunters
Early jawless fish were likely to have used ... which are some of the earliest vertebrates (animals with backbones) in which ...
Simon Fraser University3y
Lab 9 - Teeth, Limbs and Vertebrae
Thecodont - roots of teeth in sockets (alveoli) in jawbone The replacement of teeth in the mouth Most vertebrates replace their teeth continuously ... different parts of the tooth row (mammals, a few ...
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A 365-million-year-old fish with an extreme underbite showcases vertebrate diversity
They are armoured fish of various shapes and sizes and are essential to understanding the evolution of vertebrates and their ... way past the closing of the mouth, unlike the upper jaws.