References

List of references by intial letter. Not all the references are complete or correct. If you have more or better information, please let me know.

Ulrichs, Max von ; 1977; The Lower Jurassic in southwestern Germany; Stuttgarter Beiträge zur Naturkunde; B:24: pp.1-34:
Ulrichs, Max von, Wild, Rupert and Ziegler, Bernhard ; 1979; Fossilien as Holzmaden; Stuttgarter Beiträge zur Naturkunde; C:11: pp.1-34:
Ulrichs, Max von, Wild, Rupert and Ziegler, Bernhard ; 1994; Der Posidonien-Schiefer des unterern Juras und seine Fossilien; Stuttgarter Beiträge zur Naturkunde; Serie C: pp.1-95:
Underwood, Charlie ; 1999; Plesiosaurs in Liverpool University and Exeter (private correspondence)
unknown ; (date unknown); Museum Catalogue; ;