Prehistoric snakes

Titanoboa (; ) is a genus of extinct giant boid snake (being the biological family of all boas and anacondas) that lived during the middle and late Paleocene epoch. Titanoboa was first discovered in the early 2000s by members of the Smithsonian Tropical Research Institute, which–along with students from the University of Florida–recovered 186 fossils of Titanoboa from the Cerrejón coal mines in the La Guajira department of northeastern Colombia. It was named and described in 2009 as Titanoboa cerrejonensis, and lauded as the largest snake ever found at that time. The original type

extinct species of giant snake

Simoliophiidae is an extinct family of limbed Tethyan marine snakes of the order Squamata. The name Pachyophiidae has also been used for this group, but Simoliophiidae has priority.

Yurlunggur is a genus of fossil snake in the extinct family Madtsoiidae containing the species Yurlunggur camfieldensis known from the Oligocene and Miocene of Australia.

Palaeophiidae is an extinct family of marine snake within the infraorder Alethinophidia.