Term: Snake, Description: limbless, scaly, elongate reptile, Question: Did the fissile record of snakes first appear in the period when eustatic sea level is low?, Answer:No
Fact1: Fossils readily identifiable as snakes first appear in the fossil record during the Cretaceous period. Fact2: The Cretaceous was a period with a relatively warm climate, resulting in high eustatic sea levels that created numerous shallow inland seas. 