Crotalus willardi

Класификация

Класификация: Viperoidea
Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: ParaHoxozoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Chordata Cladus: Olfactores Subphylum: Vertebrata Infraphylum: Gnathostomata Megaclassis: Osteichthyes Cladus: Sarcopterygii Cladus: Rhipidistia Cladus: Tetrapodomorpha Cladus: Eotetrapodiformes Cladus: Elpistostegalia Superclassis: Tetrapoda Cladus: Reptiliomorpha Cladus: Amniota Cladus: Sauropsida Classis: Reptilia Cladus: Eureptilia Cladus: Romeriida Cladus: Diapsida Cladus: Neodiapsida Cladus: Sauria Cladus: Lepidosauromorpha Subclassis: Lepidosauria Ordo: Squamata Cladus: Unidentata, Episquamata Cladus: Toxicofera Subordo: Serpentes Cladus: Caenophidia Superfamilia: Viperoidea

Crotalus willardi Meek, 1905

Uetz, P., Freed, P., Aguilar, R., F. Reyes, J. Kudera & Hošek, J. (eds.) 2025. Crotalus willardi. The Reptile Database. Accessed on 4 January 2020.
Hammerson, G.A., Vazquez Díaz, J. & Quintero Díaz, G.E. 2007. IUCN: Crotalus willardi (Least Concern). The IUCN Red List of Threatened Species 2007: e.T62253A12584209. DOI: 10.2305/IUCN.UK.2007.RLTS.T62253A12584209.en