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Titanoboa (/ ˌtaɪtənəˈboʊə /; lit. 'titanic boa') is an extinct genus of giant boid (the family that includes all boas and anacondas) snake that lived during the middle and late Paleocene. Titanoboa was first discovered in the early 2000s by the Smithsonian Tropical Research Institute who, along with students from the University of ...
Vasuki is an extinct genus of madtsoiid snake from the Middle Eocene Naredi Formation of India. The genus contains a single species, V. indicus, known from several vertebrae. Vasuki has an estimated body length between 10.9–15.2 m (36–50 ft), making it the largest known madtsoiid. The upper bounds of the length estimates would make Vasuki ...
Madtsoiidae. Madtsoiidae is an extinct family of mostly Gondwanan snakes with a fossil record extending from early Cenomanian (Upper Cretaceous) to late Pleistocene strata located in South America, Africa, India, Australia and Southern Europe. Madtsoiidae include very primitive snakes, which like extant boas and pythons would likely dispatch ...
Palaeophis ('ancient snake') is an extinct genus of marine snake that is the type genus of the extinct snake family Palaeophiidae. Described species within this genus lived in the Eocene epoch, with some unnamed or questionable records from Cenomanian and Maastrichtian. [1] Fossils of species within this genus have been found in England, France ...
Fossils readily identifiable as snakes (though often retaining hind limbs) first appear in the fossil record during the Cretaceous period. [24] The earliest known true snake fossils (members of the crown group Serpentes) come from the marine simoliophiids , the oldest of which is the Late Cretaceous ( Cenomanian age) Haasiophis terrasanctus ...
Ophidia / oʊˈfɪdiə / (also known as Pan-Serpentes[2]) is a group of squamate reptiles including modern snakes and reptiles more closely related to snakes than to other living groups of lizards. Ophidia was defined as the "most recent common ancestor of Pachyrhachis and Serpentes (modern snakes), and all its descendants" by Lee and Caldwell ...
October 15, 1966. The Great Serpent Mound is a 1,348-feet-long (411 m), three-feet-high prehistoric effigy mound located in Peebles, Ohio. It was built on what is known as the Serpent Mound crater plateau, running along the Ohio Brush Creek in Adams County, Ohio. The mound is the largest serpent effigy known in the world.
The recent fossil record of Eunectes is relatively sparse compared to other vertebrates and other genera of snakes. The fossil record of this group is effected by an artifact called the Pull of the Recent. [6] Fossils of recent ancestors are not known, so the living species 'pull' the historical range of the genus to the present.