Leopluridon - Discovery and Species

Discovery and Species

The genus name Liopleurodon was coined by Henri Émile Sauvage in 1873 on the basis of very poor remains consisting of three 70 millimeter teeth. One tooth, found near Boulogne-sur-Mer, France in layers dating from the Callovian, was named Liopleurodon ferox, another from Charly, France was named Liopleurodon grossouvrei, while a third discovered near Caen, France was originally described as Poikilopleuron bucklandi and ascribed by Sauvage to the species Liopleurodon bucklandi. Sauvage did not ascribe the genus to any particular group of reptiles in his descriptions.

Liopleurodon fossils have been found mainly in England and France, with one younger species known from Russia. Fossil specimens that are contemporary (Callovian) with those from England and France referrable to Liopleurodon are known from Germany.

Currently, there are two recognized species within Liopleurodon. From the Callovian of England and France L. ferox is well known; while also from the Callovian of England is the rarer L. pachydeirus, described by Seeley as a Pliosaurus (1869). Only L. ferox is known from more or less complete skeletons.

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