Taxon - Links and literature
IUCN Red List of Threatened Species 2024-1 [63821]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [as Heterodon simus (Linnaeus, 1766)]
Data retrieved on: 29 January 2024
Paleobiology Database [155179]
Paleobiology Database [https://paleobiodb.org/] [as Heterodon simus (Linnaeus, 1766)]
Data retrieved on: 11 December 2015
Reptile Database - Search [genus=Heterodon&species=simus]
Reptile Database - Search [http://reptile-database.reptarium.cz/] [as Heterodon simus (LINNAEUS, 1766)]
Data retrieved on: 20 August 2018