| Answer | Crossword Clue |
|---|---|
| pithecanthropus | any of several primitive extinct men from Java |
| pithecanthropi | PITHECANTHROPUS, any of several primitive extinct men from Java |
| smilodon | any of several saber-toothed cats of the extinct genus Smilodon, that ranged from California through most of South America during the Pleistocene Epoch and had upper canine teeth more than 6 in. (15 cm) long |
