4 m (21 feet) in length and 3
naming it for the "dental pavement" on both the upper and lower jaws
Protostega meaning (first roof) is an extinct genus of marine turtle containing a single species
Ediacaran (=Vendian) period
Jimbacrinus Bostocki from the Cundlego formation Gaskoyne Junction Western Australia
Rhamphorhynchus gemmingi, skeleton #1 Iguanodon 4 m (21 feet) inRhamphorhynchus, meaning "beak snout", is a genus of long tailed pterosaurs from the Jurassic period. Less specialized than contemporary, short tailed pterodactyloid pterosaurs such as Pterodactylus, it had a long tail, stiffened with ligaments, which ended in a characteristic diamond shaped vane. The jaws of Rhamphorhynchus housed needle like teeth, which were angled forward, with a curved, sharp, beak like tip lacking teeth, indicating a diet mainly