Sentences with phrase «older fish bony»

Not exact matches

Although cephalopods are an ancient order, shell-less cephalopods are relatively recent arrivals — about 200 million years old, like mammals and teleost, or bony, fishes.

Four - hundred - and - fifteen - million - year - old animal combined the best of both bony and cartilaginous fish

The last common ancestor of sharks and bony fishes probably didn't have gill arches arranged like those in modern sharks — which, in turn, suggests that the oldest known species of bony fishes can likely provide more information about the earliest jawed vertebrates (a group that today includes humans) than early chondrichthyans can, the researchers contend.

Given that Dazl is present in bony fish such as zebrafish and medaka [52], [53], we then asked if Dazl is present in the cartilaginous fish, phylogenetically the oldest group of living jawed vertebrates.

NEW YORK — The skull of a newly discovered 325 - million - year - old shark - like species suggests that early cartilaginous and bony fishes have more to tell us about the early evolution of jawed vertebrates — including humans — than do modern sharks, as was previously thought.