^Appendices I, II and III. CITES. Convention on International Trade in Endangered Species of Wild Fauna and Flora. 21 May 2023 [5 June 2023]. (原始内容存档于2017-12-05). Note: Protected as a member of the Loxocemidae.
^ 3.03.13.23.33.4McDiarmid RW、Campbell JA、Touré T:《Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1》頁511,Herpetologists' League,1999年。 ISBN 1-893777-00-6