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Crotalus

Description

Crotalus is a genus of venomous pit vipers in the family Viperidae, known as rattlesnakes or rattlers. The genus is found only in the Americas from southern Canada to northern Argentina, and member species are colloquially known as rattlesnakes. The generic name Crotalus is derived from the Greek word κρόταλον krótalοn, which means "rattle" or "castanet", and refers to the rattle on the end of the tail which makes this group (genera Crotalus and Sistrurus) so distinctive. Currently, 32 to 45 species are recognized as being valid.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)2444354https://www.gbif.org/species/2444354
PaleoBioDB ID (PBDB)38159https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=38159
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Squamata : Viperidae : Crotalus
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Squamata : Crotalidae : Crotalus
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SauropsidaHuxley 1864
classReptiliaLaurenti 1768
subclassEureptilia
-RomeriidaGauthier et al. 1988
-Diapsida
-Eosuchia
-NeodiapsidaBenton 1985
-SauriaGauthier 1984
-Lepidosauromorpha
superorderLepidosauria
orderSquamataOppel 1811
suborderOphidia
-Serpentes
infraorderAlethinophidiaNopcsa 1923
-MacrostomataRitgen 1828
superfamilyBooideaGray 1825
-CaenophidiaHoffstetter 1939
superfamilyColubroideaOppel 1811
familyCrotalidae
genusCrotalusLinnæus 1758
Common Namerattlesnake
Scientific NameCrotalus Linnaeus, 1758
Name Published InLinnæus, Carolus. 1758. Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Laurentii Salvii, Holmiae. Vol. Tomus I, Editio decima, reformata: i-ii, 1-824.
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Crotalusgenusbelongs to Crotalidaestated with evidenceCope, 1875
Crotalusgenusbelongs to Crotalidaestated without evidenceHay, 1902
Crotalusgenusbelongs to ViperidaeimpliedCarroll, 1988
Crotalusgenusbelongs to Viperidaestated without evidenceParmley and Holman, 1995
Crotalusgenusbelongs to Crotalinaestated without evidenceHolman, 2000
Status (PBDB)extant
Taxon Size (PBDB)5
Extant Size (PBDB)4 (80%)
First Recorded Appearance13.6 - 10.3 Ma
Miocene
Environmentterrestrial (based on Booidea)
Motilityactively mobile (based on Osteichthyes)
Dietcarnivore (based on Booidea)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)C. Linnaeus. 1758. Systema Naturae per Regna Tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Editio Decima 1:1-824
Common Name(s) Rattlesnakes, Rattlesnake
Wikipediahttps://en.wikipedia.org/wiki/Crotalus

External Images

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Crotalus adamanteus
species
accepted (GBIF)
listed (PBDB)
Eastern Diamondback Rattlesnake162.59 Ma
Pleistocene
0 Ma
Extant
Crotalus angelensis
species
accepted (GBIF)No associated record in PBDB
Crotalus aquilus
species
accepted (GBIF)No associated record in PBDB
Crotalus armstrongi
species
accepted (GBIF)No associated record in PBDB
Crotalus atrox
species
accepted (GBIF)No associated record in PBDB
Crotalus basiliscus
species
accepted (GBIF)No associated record in PBDB
Crotalus campbelli
species
accepted (GBIF)No associated record in PBDB
Crotalus catalinensis
species
accepted (GBIF)No associated record in PBDB
Crotalus cerastes
species
accepted (GBIF)No associated record in PBDB
Crotalus cerberus
species
accepted (GBIF)No associated record in PBDB
Crotalus cinereous
species
accepted (GBIF)No associated record in PBDB
Crotalus culminatus
species
accepted (GBIF)No associated record in PBDB
Crotalus durissus
species
accepted (GBIF)No associated record in PBDB
Crotalus enyo
species
accepted (GBIF)No associated record in PBDB
Crotalus ericsmithi
species
accepted (GBIF)No associated record in PBDB
Crotalus horridus
species
accepted (GBIF)
listed (PBDB)
Timber Rattlesnake1310.3 Ma
Miocene
0 Ma
Extant
Crotalus intermedius
species
accepted (GBIF)No associated record in PBDB
Crotalus lannomi
species
accepted (GBIF)No associated record in PBDB
Crotalus lepidus
species
accepted (GBIF)
listed (PBDB)
Rock Rattlesnake0 Ma
Extant
Crotalus lorenzoensis
species
accepted (GBIF)No associated record in PBDB
Crotalus lugubris
species
accepted (GBIF)No associated record in PBDB
Crotalus mitchellii
species
accepted (GBIF)No associated record in PBDB
Crotalus molossus
species
accepted (GBIF)No associated record in PBDB
Crotalus morulus
species
accepted (GBIF)No associated record in PBDB
Crotalus oreganus
species
accepted (GBIF)No associated record in PBDB
Crotalus ornatus
species
accepted (GBIF)No associated record in PBDB
Crotalus polystictus
species
accepted (GBIF)No associated record in PBDB
Crotalus potterensis
species
accepted (GBIF)
listed (PBDB)
10.13 Ma
Pleistocene
0.13 Ma
Pleistocene
Crotalus pricei
species
accepted (GBIF)No associated record in PBDB
Crotalus pulvis
species
accepted (GBIF)No associated record in PBDB
Crotalus pusillus
species
accepted (GBIF)No associated record in PBDB
Crotalus pyrrhus
species
accepted (GBIF)No associated record in PBDB
Crotalus ravus
species
accepted (GBIF)No associated record in PBDB
Crotalus ruber
species
accepted (GBIF)No associated record in PBDB
Crotalus scutulatus
species
accepted (GBIF)No associated record in PBDB
Crotalus simus
species
accepted (GBIF)No associated record in PBDB
Crotalus stejnegeri
species
accepted (GBIF)No associated record in PBDB
Crotalus stephensi
species
accepted (GBIF)No associated record in PBDB
Crotalus tancitarensis
species
accepted (GBIF)No associated record in PBDB
Crotalus tigris
species
accepted (GBIF)No associated record in PBDB
Crotalus tlaloci
species
accepted (GBIF)No associated record in PBDB
Crotalus totonacus
species
accepted (GBIF)No associated record in PBDB
Crotalus transversus
species
accepted (GBIF)No associated record in PBDB
Crotalus triseriatus
species
accepted (GBIF)No associated record in PBDB
Crotalus tzabcan
species
accepted (GBIF)No associated record in PBDB
Crotalus viridis
species
accepted (GBIF)No associated record in PBDB
Crotalus willardi
species
accepted (GBIF)No associated record in PBDB

Obsolete Names

NameSourceTaxon RankTaxonomy
Cummingea Hoser, 2009GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Cummingea
Rentonus Hoser, 2012GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Rentonus
Sayersus Hoser, 2012GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Sayersus
Matteoea Hoser, 2009GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Matteoea
Mullinsus Hoser, 2009GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Mullinsus
Hoserea Hoser, 2009GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Hoserea
Cottonus Hoser, 2012GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Cottonus
Crotalinus Rafinesque, 1815GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Crotalinus
Rattlewellsus Hoser, 2012GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Rattlewellsus
Crutchfieldus Hoser, 2009GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Crutchfieldus
Piersonus Hoser, 2009GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Piersonus
Edwardsus Hoser, 2009GBIFgenusAnimalia : Chordata : Reptilia : Squamata : Viperidae : Edwardsus

Synonymy List

YearName and Author
1758Crotalus Linnaeus p. 214
1875Crotalus Cope p. 33
1902Crotalus Hay p. 481
1985Crotalus Holman
1988Crotalus Carroll
1995Crotalus Parmley and Holman p. 85
2000Crotalus Holman
2007Crotalus Parmley and Holman p. 141
2010Crotalus Parmley and Hunter p. 539

References

Linnaeus C. , Systema Naturae per Regna Tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Editio Decima 1, 1-824 doi:10.5962/bhl.title.542
Cope E. D. Check-list of North American Batrachia and Reptilia; with a systematic list of the higher groups, and an essay on geographical distribution. Based on the specimens contained in the U. S. National Museum, Bulletin of the United States National Museum 1, 1-109
Hay O. P. (1902) , Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179, 1-868
Holman J. A. (1985) Herpetofauna of Ladds Quarry, National Geographic Research 1 3, 423-436
Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698
Parmley D., Holman J. A. (1995) Hemphillian (late Miocene) snakes from Nebraska, with comments on Arikareean through Blancan snakes of midcontinental North America, Journal of Vertebrate Paleontology 15 1, 79-95
Holman J. A. (2000) The fossil snakes of North America
Parmley D., Holman J. A. (2007) Earliest Fossil Record of a Pigmy Rattlesnake (Viperidae: Sistrurus Garman), Journal of Herpetology 41 1, 141-144
Parmley D., Hunter K. B. (2010) Fossil snakes of the Clarendonian (late Miocene) Pratt Slide local fauna of Nebraska, with the description of a new natricine colubrid, Journal of Herpetology 44 4, 526-543 doi:10.1670/09-248.1
Flores-Villela, Oscar / McCoy, C. J., ed., 1993: Herpetofauna Mexicana: Lista anotada de las especies de anfibios y reptiles de México, cambios taxonómicos recientes, y nuevas especies. Carnegie Museum of Natural History Special Publication, no. 17. iv + 73. - via Integrated Taxonomic Information System (ITIS)
McDiarmid, Roy W., Jonathan A. Campbell, and T'Shaka A. Touré, 1999: null. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. xi + 511. - via Integrated Taxonomic Information System (ITIS)
CoL2006 - via The Interim Register of Marine and Nonmarine Genera
Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera
as per family - via The Interim Register of Marine and Nonmarine Genera
Banks, R. C., R. W. McDiarmid, and A. L. Gardner, 1987: Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. Resource Publication, no. 166. 79. - via Integrated Taxonomic Information System (ITIS)
International Commission on Zoological Nomenclature. Opinion 92 Sixteen generic names of Pisces, Amphibia, and Reptilia placed in the Official List of Generic Names.Smithsonian Miscellaneous Collections 73(4), 3 (1926) - via Official Lists and Indexes of Names in Zoology
SN2000/Duellman, 1982, PaleoDB - via The Interim Register of Marine and Nonmarine Genera
Linnaeus, C. (1758). Systema Naturae per Regna Tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. 10th edition. - via The Interim Register of Marine and Nonmarine Genera
SN2000/Duellman, 1982 - via The Interim Register of Marine and Nonmarine Genera
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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