570 vanished lives

521Paleozoic

Iniopteryx rushlaui was a small cartilaginous fish with broad pectoral fins attached high on its body; the fins suggest underwater strokes, not flight.

522Paleozoic

A spear-like rostrum and lateral horns projected from this jawless armored fish.

523Paleozoic

A streamlined shield extended into a pointed snout and carried a stabilizing dorsal rise.

524Paleozoic

A long rostrum, side horns and paired openings belonged to an endemic jawless armored lineage.

557Paleozoic

A pair of curved lower-jaw tusks and a kinetic skull helped this lobe-finned fish restrain prey.

558Paleozoic

A streamlined head shield extended into a rostrum, while a dorsal spine and lateral horns stabilized the jawless fish.

559Paleozoic

Tiny rhomboid scales, a deeply forked tail and broad gape marked an early ray-finned fish radiation.