Information:

Dione rat snake Elaphe dione Pallas, 1773: survey of geographical and selective variations of the collection of Tula Exotarium

THE DIONE RATSNAKE (ELAPHE DIONE, PALLAS, 1773): KEEPING AND BREEDING IN CAPTIVITY; A PERSONAL EXPERIENCE

Literature en synonyms

Family Colubridae (Colubrids)

Reptiles genetics

Current taxonomic status of "Rat Snake" species and their subspecies (Klaus Dieter Schulz)

Taxonomic changes in Old and New World Rat Snake species (Klaus Dieter Schulz)

"Phylogenetic Relationships Of Old World Ratsnakes Based on Visceral Organ Topography, Osteology, and Allozyme Variation". By Notker Helfenberger. A Review by Rex Knight.

Glossary of reptiles terms