Smith, A. S. 2007b. The back-to-front plesiosaur Cryptoclidus (Apractocleidus) aldingeri from the Kimmeridgian of Milne Land, Greenland. Bulletin of the Geological Society of Denmark, 55, 1-7.
Smith, A. S. 2007b. The back-to-front plesiosaur Cryptoclidus (Apractocleidus) aldingeri from the Kimmeridgian of Milne Land, Greenland. Bulletin of the Geological Society of Denmark, 55, 1-7.