Crotalus pusillus

Taxonavigation

Taxonavigation: Viperoidea
Superregnum: Eukaryota Cladus: Amorphea Cladus: Obazoa Cladus: Opisthokonta Cladus: Holozoa Cladus: Filozoa Cladus: Choanozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: ParaHoxozoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Chordata Cladus: Olfactores Subphylum: Vertebrata Infraphylum: Gnathostomata Cladus: Eugnathostomata Cladus: Osteichthyes Cladus: Sarcopterygii Cladus: Rhipidistia Cladus: Tetrapodomorpha Cladus: Eotetrapodiformes Cladus: Elpistostegalia Cladus: Stegocephali Superclassis: Tetrapoda Cladus: Reptiliomorpha Cladus: Amniota Cladus: Sauropsida Classis: Reptilia Cladus: Eureptilia Cladus: Romeriida Cladus: Diapsida Cladus: Neoreptilia Cladus: Parapleurota Cladus: Neodiapsida Cladus: Sauria Cladus: Lepidosauromorpha Superordo: Lepidosauria Ordo: Squamata Cladus: Toxicofera Subordo: Serpentes Cladus: Caenophidia Superfamilia: Viperoidea

Crotalus pusillus Klauber, 1952: 34

Holotype: FMNH 39112, adult ♂, collected by Frederick A. Shannon in June or July 1941.
Type locality: “Tancítaro, Michoacán, Mexico, altitude 5,000 feet”.

Klauber, L.M. 1952. Taxonomic studies of the rattlesnakes of mainland México. Bulletins of the Zoological Society of San Diego 26: 1–143. BHL Reference page.

Uetz, P., Freed, P., Aguilar, R., F. Reyes, J. Kudera & Hošek, J. (eds.) 2026. Crotalus pusillus. The Reptile Database. Accessed on 12 July 2020.
Ponce-Campos, P. & García Aguayo, A. 2007. IUCN: Crotalus pusillus (Endangered). The IUCN Red List of Threatened Species 2007: e.T64329A12770446. DOI: 10.2305/IUCN.UK.2007.RLTS.T64329A12770446.en