Answer the following question given this paragraph: 

Earliest Reptile: Hylonomus . The earliest known reptile is given the genus name Hylonomus . It was about 20 to 30 centimeters (8 to 12 inches) long, lived in swamps, and ate insects and other small invertebrates.


Q: What are the earliest reptile genus named?

 Choices:

- brachyophis

- collorhabdium

- scolecophis

- hylonomus

A:
hylonomus
