T. H. de la Beche and W. D. Conybeare. 1821. Notice of the discovery of a new Fossil Animal, forming a link between the Ichthyosaurus and the Crocodile, together with general remarks on the Osteology of the Ichthyosaurus. Transactions of the Geological Society of London, series 1 5:559-594 [M. Carrano/M. Carrano]