Across
- 2. reptile clade of alligators, caiman, and gharials
- 4. indiana's non-venomous snake family
- 5. clade of the lizards and amphisbaenids
- 6. reptile clade with carapace and plasteron
- 7. pterosaurs, dinosaurs, crocodilians, oh my!
- 10. Indiana snake family with venomous members
- 14. reptile clade of modern birds
- 17. clade of the snakes
- 18. old-world constrictor family, problem in FL
- 19. number of chambers in turtle/bird/crocodile heart
- 20. vertebrate clade, with extraembryonic membranes
- 23. eject blood from heart to lungs and body
Down
- 1. reptilomorpha clade with one temporal fenestrae
- 3. "scaled lizard" clade with tuataras and squamates
- 8. first flying archosaurs, wings from long fingers
- 9. reptilomorpha clade with two temporal fenestrae
- 11. warm-blooded like birds
- 12. birds are their only living descendant
- 13. snake family with cobras and taipans
- 15. cold-blooded like snakes
- 16. receive blood from body and lungs
- 21. number of chambers in snake/lizard heart
- 22. protein reptile scales are made of