The specimen , called Rutellum impicatum , was described in 1699 by Edward Lhuyd , and is notable as the earliest named entity that is recognizable as a dinosaur .
It was a sauropod , possibly a cetiosaurid , which lived in what is now England .
The specimen , called sauropod   , was described in 1699 by Edward Lhuyd , and is notable as the earliest named entity that is recognizable as a dinosaur .
It was a sauropod , possibly a cetiosaurid , which lived in what is now England .