A selection of very quick sketches I didn’t post to tumblr, rhamphorhynchus, asteriornis, decc

A selection of very quick sketches I didn’t post to tumblr, rhamphorhynchus, asteriornis, deccenatherium, quetzalcoatlus, temnodontosaurus, cotylorhynchus, edmontosaurus, concavispina, dilophosaurus and spinosaurus