English: Size comparison of Nothosaurus mirabilis, a Triassic basal sauropterygian.

References

• Diedrich, Cajus G. (2013). "Shallow marine sauroptergyain reptile biodiversity and change in the Bad Sulza Formation (Illyrian, Middle Triassic) of central Germany, and a contribution to the evolution of nothosaurs in the Germanic Basin.". The Triassic System. New Mexico Museum of Natural History and Science Bulletin 61: 132-158.
• Woodward, Arthur Smith (1896) A Guide to the Fossil Reptiles, Amphibians, and Fishes in the Department of Geology and Palæontology in the British Museum (Natural History), לונדון: Harrison and Sons, pp. 52
• Krahl, Anna; Klein, Nicole; Sander, P. Martin (2013). "Evolutionary implications of the divergent long bone histologies of Nothosaurus and Pistosaurus (Sauropterygia, Triassic)". BMC Evolutionary Biology 13: 123. DOI:10.1186/1471-2148-13-123.
• File:Skeleton_Nothosauria_naturkundemuseum_Berlin.jpg