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Heterodon platirhinos LATREILLE, 1801

IUCN Red List - Heterodon platirhinos - Least Concern, LC
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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Eastern Hognose Snake
G: Östliche Hakennatter, Hakennasennatter 
SynonymHeterodon platirhinos LATREILLE in SONNINI & LATREILLE 1801: 32
Coluber heterodon DAUDIN 1803
Scytale niger DAUDIN 1803: 342
Heterodon niger — TROOST 1836: 186
Heterodon annulatus — TROOST 1836: 188
Heterodon tigrinus — TROOST 1836: 189
Heterodon cognatus BAIRD & GIRARD 1853: 54
Heterodon platyrhinos — BAIRD & GIRARD 1853
Heterodon atmodes BAIRD & GIRARD 1853: 57
Heterodon platyrhinus [sic] — DUMÉRIL, BIBRON & DUMÉRIL 1854: 766
Heterodon niger — DUMÉRIL & BIBRON 1854: 769 (fide WALLACH)
Heterodon platyrhinus — GARMAN 1884: 75
Heterodon platyrhinus var. niger — GARMAN 1884: 75
Heterodon browni STEJNEGER 1903
Heterodon plathyrrinus — FALK 1925 (in error)
Heterodon contortrix LINNÉ — ALLEN 1932
Heterodon contortrix LINNÉ — BURT 1935
Heterodon contortrix — GRANT 1937
Heterodon contortrix browni — CARR 1940
Heterodon platirhinos — MEHRTENS 1987: 189
Heterodon platirhinos — CONANT & COLLINS 1991: 175
Heterodon platirhinos — CROTHER 2000: 62
Heterodon platyrhinos — PURSER 2003
Heterodon platirhinos — ERNST & ERNST 2003: 146
Heterodon platyrhinos — ZAPPLORTI 2012
Heterodon platirhinos — WALLACH et al. 2014: 329 
DistributionSE Canada (Ontario),
USA (Texas, New Mexico, Oklahoma, Louisiana, Arkansas, Mississippi, Alabama, Georgia, Florida, South Carolina, North Carolina, Tennessee, Kansas, Missouri, Illinois, Indiana, Kentucky, Ohio, Iowa, West Virginia, Virginia, Pennsylvania, New Jersey, Maryland, Delaware, SE New York, Massachusetts, Connecticut, E Nebraska, Michigan, Wisconsin, Minnesota, SE South Dakota)

Type locality: "dans les environs de Philadelphie."  
Reproductionoviparous 
TypesType: nondesignated, present location unknown (? MNHN). Unknown fide Platt, 1981: 282.1 (fide V. Wallach, pers. comm.)
Holotype: USNM 32089 [Heterodon browni]
Holotype: USNM 1158 [Heterodon atmodes] 
Diagnosis 
CommentOriginally described by LINNAEUS 1766 as Coluber simus, but this name was later mistakenly associated with the southern hognose snake. The ICZN suspended the law of priority in this case because of the long history of usage (Platt 1985). “platirhinos” LATREILLE, 1801 was adopted as the next oldest name.

Type species: Heterodon platirhinos LATREILLE 1801: 32 is the type species of the genus Heterodon LATREILLE 1801. 
EtymologyNamed after Greek "platy" = broad, flat, and "rhinos" = nose, referring to the relatively flat, enlarged rostral scale.

The generic name was derived from the Greek words heteras, meaning "different" and odon, meaning "tooth," in reference to the enlarged posterior teeth. 
References
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