Eusthenopteron foordi, a lobe-finned fish from the Late Devonian of Canada

Eusthenopteron foordi, a lobe-finned fish from the Late Devonian of Canada

Eusthenopteron foordi, a lobe-finned fish from the Late Devonian of Canada

Eusthenopteron foordi, a lobe-finned fish from the Late Devonian of Canada. Illustration: Nobu Tamura