Trionyx Turtle Shell, Isle of Wight #05 £2.99 Out of stock. Description A Trionyx turtle shell from the Isle of Wight (UK). Fossils from this kind of turtle are less common in the Boulnor Formation (most belonging to Emys turtles). Comes labelled and stored in an acrylic case with padding. Condition Fair/Good Size 22mm Age 30 Million Years Location Isle of Wight, Bouldnor Fm.