Zygorhiza, Eocene Whale Skull Carnataurus Utahraptor had large curved claws

Utahraptor had large curved claws on their second toes

(This hypothesis is partly based on analogy with aboriginal harpoons that had tethered foreshafts Cotter 1937)

Mixosaurus is an extinct genus of ichthyosaur

Conchoraptor was a small dinosaur

Zygorhiza, Eocene Whale Skull Carnataurus Utahraptor had large curved clawsZygorhiza ("Yoke Root") is an extinct genus of basilosaurid early whale known from the Late Eocene, 3834 MYA of Louisiana, Alabama, and Mississippi, United States. Zygorhiza kochii is the state fossil of Mississippi. The mounted specimen in the Mississippi Museum of Natural Science in Jackson is commonly referred to as "Ziggy". Like other dorundontines, Zygorhiza had a body similar to modern cetaceans with flipper like forelimbs, rudimentary hind