Archaeonectrus
Sign in to saveArchaeonectrus is an extinct genus of pliosaur from the Early Jurassic (Sinemurian) of what is now southeastern England. The type species is Archaeonectrus (originally "Plesiosaurus") rostratus, first named by Sir Richard Owen in 1865, which was moved to its own genus by N.I. Novozhilov in 1964. It was a relatively small plesiosaur, measuring long. thumb|left|Additional specimen
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Archaeonectrus is an extinct genus of pliosaur from the Early Jurassic (Sinemurian) of what is now southeastern England. The type species is Archaeonectrus (originally "Plesiosaurus") rostratus, first named by Sir Richard Owen in 1865, which was moved to its own genus by N.I. Novozhilov in 1964. It was a relatively small plesiosaur, measuring long. thumb|left|Additional specimen
==Classification== thumb|left|Illustration of the holotype specimen, NHMUK PV OR 38525 (formerly BMNH 38525), dated to 1870 thumb|Life restoration The cladogram below shows Archaeonectrus phylogenetic position among other plesiosaurs, following Benson et al. (2012).