About This File
Rhoetosaurus ("Rhoetos lizard"), named after Rhoetus, a Titan in Greek Mythology, was a genus of Sauropod dinosaur from the Jurassic (Middle Jurassic) of what is now eastern Australia.
Rhoetosaurus is estimated to have been about 12-15 metres long.
In 1924, Heber Longman, self-trained paleontologist at (and later director of) the Queensland Museum in Brisbane, learnt of a large fossil reptile skeleton exposed on Durham Downs Station near Roma in central Queensland. The station manager, Arthur Browne, forwarded fragments of bone to Longman, so and was honoured with the dinosaur's specific name brownei.
The initial collection was of 22 tail vertebrae, including a series of 16 consecutive bones, and other fragmentary hindlimb pieces. Soon after Longman announced the new discovery, he visited the station and arranged for more material of the same skeleton to be sent to the Queensland Museum. These included additional vertebrae from the thoracic area, bits of rib, more caudals and more of the femur and pelvis as well as a cervical vertebra.
Further material was collected by Mary Wade and Alan Bartholomai in 1975, and still more by Drs. Tom Rich, Anne Warren, Zhao Xijin, and Ralph Molnar. This additional material includes more ribs, another possible cervical vertebrae, and most of right hind limb, which is currently under study. To date, the end of the tail, forelimbs nor skull has not been found.
Along with Austrosaurus, Rhoetosaurus is among the two best-known sauropods thus far discovered in Australia, as well as for the Jurassic of Gondwana. Rhoetosaurus is presently the most complete Australian sauropod.
Inspired by the Zoo Tek Brains Trust
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