"Systematic Status of the Colubrid Snake, Leptodeira discolor Günther" by William E. Duellman is a scientific publication written in the mid-20th century. This paper focuses on the taxonomic classification and systematic status of the colubrid snake species Leptodeira discolor, which was originally described in the 19th century. It explores the anatomical features of the species, drawing upon a specimen from Oaxaca, Mexico, to establish its relationships within the broader classification of snakes. The book presents a detailed examination of the Leptodeira discolor, analyzing its scutellation, coloration, skull structure, and hemipenes. Duellman proposes a new genus, Tantalophis, for this species, emphasizing the need for further research to clarify its relationships with other colubrid genera. The paper discusses the unique anatomical features observed in the examined specimen and considers the implications of these characteristics in understanding the evolutionary history of colubrid snakes, emphasizing the complexities of establishing taxonomic relationships within this group. (This is an automatically generated summary.)