ophidia

/oʊˈfɪdiə/
noun
  1. A group of reptiles that includes all snakes; used as a scientific term for the suborder Serpentes.
    • The museum's exhibit on ophidia featured skeletons of ancient snakes.
    • Herpetologists study ophidia to understand snake evolution.
    • Ophidia includes both venomous and non-venomous snake species.