Neosteneosaurus

Neosteneosaurus is a genus of machimosaurid, known form the Middle Jurassic Oxford Clay of the UK, and Marnes de Dives, France. The type species, N. edwardsi, was originally named as a species of "Steneosaurus" in 1868, but was moved to its own genus in 2020. "Steneosaurus durobrivensis" and "Steneosaurus hulkei" are considered junior synonyms.