[D] Agrosaurus macgillivrayi [jG]
Saurischia Sauropodomorpha Prosauropoda Thecodontosauridae
Thecondontosaurus (Riley & Stuchbury, 1836) > Thecondontosaurus antiquus (Morris, 1843) >> Agrosaurus macgillivrayi (Seeley, 1891)
Agrosaurus macgillvrayi (\\\"wild country lizard\\\") was reportedly collected during the voyage of H.M.S. Fly up the eatern coast of Australia, but extraordinarily there is no record of the event in the log and a book published by the geologist J. Bette Jukes in 1847 documenting the results of the 1844 Fly expedition failed to mention anything about the collection of fossil material.
H.G.Seeley published the description of Agrosaurus macgillivrayi based on a few limb bones, a claw and a tail vertebra that had been \\\"discovered\\\" in the Natural History Museum in London, bearing the tag \\\"Fly, 1844. Jn. Macgillivray, from the N.E. coast of Australia\\\".
The specimen was thought to come from anywhere among Fly\\\'s route from England and back possible from Triassic rocks somewhere on the coast of Cape York Peninsula in north eastern Australia
Thats why it was that until the research done by Rich, T. and Vickers-Rich, P. In \\\"Papers in Vertebrate Palaeontology\\\", Records of the Western Australian Museum in 1999 considered the earliest Australian dinosaur. The authors made isotopic analysis of the bone samples and the rocks from Australia and from Great Brittan and concluded that it matched closely the rock isotope pattern of rocks from England from an area where Thecondontosaurus had been found, and that the Australian origin was probably due to a labelling error.