Do acanthodians have cartilage?
Acanthodians are relatively small extinct fishes that have characteristics in between sharks and placoderms and reminiscent of later ray-finned fishes. Their skeletons are made of cartilage and their back fins have a spine on the side towards the head.
Acanthodians are relatively small extinct fishes that have characteristics in between sharks and placoderms and reminiscent of later ray-finned fishes. Their skeletons are made of cartilage and their back fins have a spine on the side towards the head.
