When two ecosystems collided, ichthyosaurs re-evolved the ability

A fossil record in central Colombia reveals how marine animals evolved during a period of environmental change.

Ichthyosaur, Fossil Wiki

Science + Tech – Articles, Analysis, Comment – The Conversation

PDF) Skeletal pathologies track body plan evolution in ichthyosaurs

Sharks Smithsonian Ocean

Blue whales perform fast turns by banking inward. A) Turn velocity and

McGill University on The Conversation

Humeral proximodistal length-body length relation in Triassic

Timeline of Cretaceous–Paleogene extinction event research - Wikipedia

Researchers reconstruct ancient fish lizard