Four-limbed vertebrate Bauplan emerged in late-Devonian; Acanthostega and Ichthyostega ~365 Ma show pre-aquatic-to-terrestrial intermediate; pectoral and pelvic girdle homology across fish-tetrapod.
Four-limbed vertebrate Bauplan emerged in late-Devonian; Acanthostega and Ichthyostega ~365 Ma show pre-aquatic-to-terrestrial intermediate; pectoral and pelvic girdle homology across fish-tetrapod.