Yael T. Aminetzach, John R. Srouji, Chung Yin Kong, Hopi E. Hoekstra: Convergent Evolution of Novel Protein Function in Shrew and Lizard Venom. In: Current Biology. Bd. 19, Nr. 22, 2009, S. 1925–1931, doi:10.1016/j.cub.2009.09.022.
Randall S. Reiserer, Gordon W. Schuett, Daniel D. Beck: Taxonomic Reassessment and Conservation Status of the Beaded Lizard, Heloderma horridum (Squamata: Helodermatidae). In: Amphibian & Reptile Conservation. Bd. 7, Nr. 1, 2013, S. 74–96, Digitalisat (PDF; 919,29 kB).