Ctenochasma elegans, a pterosaur Stegosaurus 9---spinosaurus claw

9---spinosaurus claw

along with its sister taxon Charniodiscus

They were first found and described by John Locke in 1838

is one of the largest known skulls for any machairodont

Ctenochasma elegans, a pterosaur Stegosaurus 9---spinosaurus clawCtenochasma is distinguished mainly by its numerous (over 400 in adults) long, thin, curved and closely packed teeth, which lined its elongated and narrow snout. The teeth were so closely packed that they formed a comb, and in adults they projected outward away from the jaws, forming a basket; traditionally, these are thought to indicate a filter feeding lifestyle, straining water through the teeth in order to capture and eat small invertebrates, but