Titanoboa cerrejonensis Variant:Unprimed una especie recientemente extinta de

una especie recientemente extinta de mamífero carnívoro perteneciente a la familia Mustelidae que media aproximadamente 55 cm desde el hocico a la base de la cola y poblaba las costas del este de Norteamérica

era más corto y robusto

Fossils of Waipatia maerewhenua include parts of the skull

Approximate measurements of the Maip:

Approximate measurements of Hylaeosaurus:

Titanoboa cerrejonensis Variant:Unprimed una especie recientemente extinta deAbout 60 million years ago, during the Paleocene, the largest known snake, Titanoboa cerrejonensis , lived in what is now northern Colombia. Its fossil remains, discovered in the Cerrejn coal mines (La Guajira), include exceptionally large vertebrae and ribs, sufficient to reconstruct its colossal size. Morphometric studies indicate that Titanoboa reached lengths of 12 to 14 meters , with a body diameter of over 1 meter and an estimated weight of 1 to