BioStor
 | On the genus Elaps of Wagner (1859) Proc. Zool. Soc. London 1859: 79-89 |
 | List of the cold-blooded vertebrata collected by Mr Fraser in the Andes of western Ecuador A Günther (1859) Proc. Zool. Soc.London 1859(1): 89-93 |
 | The lizards of Ecuador, a checklist and key J A Peters (1967) Proc. US. Natl. Mus 119: 1-49 |