Teacher:Given a scientific passage and an answer, generate a question for the given answer.
Teacher: Now, understand the problem? Solve this instance: Passage: 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. Answer: hylonomus
Student:
What are the earliest reptile genus named?