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meaning: "Woolunga lizard"
Named By: P. O. Persson in 1960
Time Period: Early Cretaceous
Location: Australia, Queensland - Wallumbilla Formation and South Australia - Maree Formation
Size: Estimated at 9.5 meters long
Diet: Piscivore
Fossil(s): Several specimens of partial remains, including a skull
Classification: | Chordata | Reptilia | Sauropterygia | Plesiosauria | Elasmosauridae |

Woolungasaurus glendowerensis ('Glendower's Woolunga lizard', named after an Aboriginal mythical reptile, Persson 1960) is a plesiosaur, an extinct marine reptile, belonging to the Elasmosauridae.

The type species Woolungasaurus glendowerensis, named by Per Ove Persson in 1960, is known from a partial skeleton, holotype QM F6890, (forty-six vertebrae, ribs, forearms, shoulder girdle and part of the rear limbs) unearthed from the Wallumbilla Formation (Albian, Lower Cretaceous) of the Richmond District, Queensland, Australia. The specific name refers to Glendower Station. Another find of undetermined species, consisting of twelve vertebrae, was unearthed from the Maree Formation (Cretaceous, of uncertain age) of Neales River, near Lake Eyre, South Australia. In addition a skull from Yamborra Creek, near Maxwelltown, Queensland, described by Persson in 1982 has been referred to Woolungasaurus.

Woolungasaurus appears to have been a typical elasmosaur, with forty sharp teeth and an estimated length of about 9.5 metres. Persson (1982) believes it to be closely related to the North American elasmosaur Hydralmosaurus.

The genus was referred to Styxosaurus by Sven Sachs in 2004.

Read more about Woolungasaurus at Wikipedia
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