Protocetus atavus Variant:Hand painted With a stocky build and

With a stocky build and strong limbs

This suggests that Dreadnoughtus had large muscle mass and considerable strength in its limbs

flattened duck-like beak

Tenía un cuerpo robusto con patas cortas pero fuertes

Protocetus atavus Variant:Hand painted With a stocky build andProtocetus atavus is a species of primitive cetacean that belongs to the family Protocetidae, an ancestral branch of cetaceans that represents a transition between land mammals and modern cetaceans. This species lived during the Eocene, approximately 45 million years ago. Its name, Protocetus, reflects its position as an early ancestor of cetaceans. Physically, Protocetus atavus shared both terrestrial and aquatic characteristics. Although it already