Across
- 5. This prehistoric pig was the size of a rhinoceros
- 6. One of the biggest of the bone-crushing canids
- 7. This elephant's tusks were as long as its entire body
- 8. "King of the Lizards"
- 9. A pint-sized "sloth lemur" from Madagascar
- 13. A two-horned, rhino-like prehistoric mammal from Africa
- 14. This prehistoric cow went extinct in the 17th century
- 15. A giant hedgehog of the Miocene epoch
- 17. This "Egyptian whale" spent part of its time on land
- 19. This canine ancestor is also known as the "Bear Dog."
- 21. This "cat-toothed" prehistoric dog behaved more like a hyena.
- 22. One of the largest mammals ever to roam the earth
- 23. A large, hyena-like marsupial from South America
- 25. This was once thought to be the first true dog
Down
- 1. This antelope was hunted to extinction 200 years ago
- 2. This mammal is also known as the "Jurassic beaver."
- 3. This "walking whale" led an otter-like lifestyle
- 4. This prehistoric elephant sported eight short, stubby tusks
- 7. A gorilla-sized prehistoric lemur from Madagascar
- 8. The biggest of the "false" saber-toothed cats
- 10. A long-snouted ancestor of the modern sperm whale
- 11. This ancestor of the Giant Panda lived over 10 million years ago
- 12. It looked like a cross between a horse and a gorilla
- 16. This prehistoric seal had an unusually long neck
- 18. Better known as the saber-toothed squirrel.
- 20. This "shovel-toothed" elephant thrived in flooded lowlands
- 24. This dolphin once lived in China's Yangtze River