A prehistoric sea monster survived in the face of a severe injury, fossils have revealed.The giant marine reptile - a Temnodontosaurus, a type of ichthyosaur - was discovered by palaeontologists at the Mistelgau clay pit near Bayreuth in Germany.The creature resembled modern dolphins and was estimated to be about 6.6 metres long.Ulrike Albert, the author of the study, said: "Our Temnodontosaurus fossil is one of the youngest finds of this ichthy…