Venenosaurus (/vɛˌnɛnoʊˈsɔːrəs/ ven-EN-o-SOR-əs) was a sauropod dinosaur. The name literally means "poison lizard", and it was named so after the Poison Strip Member of the Cedar Mountain Formation in Utah, United States, where the fossils were discovered by a Denver Museum of Natural History volunteer Tony DiCroce in 1998. Venenosaurus dicrocei was first described as a new species in 2001 by , Kenneth Carpenter, and . Venenosaurus is a relatively small titanosauriform sauropod, measuring 12 metres (39 ft) long and weighing 6 metric tons (6.6 short tons). It is known from an incomplete skeleton of an adult and a juvenile. The holotype is DMNH 40932 Denver Museum of Natural History. The specimen consisted of tail vertebrae, the left scapula, right radius, left ulna, metacarpals, forefoot ph