noun Acanthodii - a class of extinct jawed fishes known from the Silurian to the Permian periods, characterized by spiny fin rays
Acanthodii are characterized by their spiny fins, which gave them their name meaning 'spine' in Greek.
Acanthodii are considered to be an early group of jawed vertebrates, providing important insights into the evolution of fish.
Acanthodii refers to a class of extinct jawed fish that lived during the Silurian and Permian periods.
Acanthodii is a taxonomic class within the superclass Chondrichthyes, which includes cartilaginous fish like sharks and rays.
Acanthodii are often mentioned in scientific articles and books about prehistoric fish and evolution.
Marine biologists study the evolutionary history and anatomy of acanthodii to better understand the development of modern fish species.
Paleontologists study fossilized remains of acanthodii to learn more about their biology, behavior, and habitat in ancient oceans.