This is a list of known snakes in Missouri, United States.
Western worm snake Carphophis vermis [1]
Northern scarlet snake Cemophora coccinea copei
Eastern yellowbelly Racer Coluber constrictor flaviventris
Prairie ring-necked snake Diadophis punctatus arnyi
Great Plains rat snake Pantherophis emoryi
Western rat snake Pantherophis obsoletus
Western fox snake Pantherophis ramspotti
Western mud snake Farancia abacura reinwardtii [2]
Plains hog-nosed snake Heterodon nasicus nasicus [3]
Eastern hog-nosed snake Heterodon platirhinos
Prairie kingsnake Lampropeltis calligaster
Speckled kingsnake Lampropeltis holbrooki
Red milk snake Lampropeltis triangulum syspila
Eastern coachwhip Masticophis flagellum flagellum
Mississippi green water snake Nerodia cyclopion
Yellow-bellied water snake Nerodia erythrogaster flavigaster
Broad-banded water snake Nerodia fasciata confluens
Diamond-backed water snake Nerodia rhombifer rhombifer
Northern water snake Nerodia sipedon sipedon
Rough green snake Opheodrys aestivus aestivus
Smooth green snake Opheodrys vernalis
Bullsnake Pituophis catenifer sayi
Graham's crayfish snake Regina grahamii [4]
Midland brown snake Storeria dekayi wrightorum
Northern red-bellied snake Storeria occipitomaculata occipitomaculata
Flat-headed snake Tantilla gracilus
Western ribbon snake Thamnophis proximus proximus
Plains garter snake Thamnophis radix
Common garter snake Thamnophis sirtalis
Lined snake Tropidoclonian lineatum
Rough earth snake Virginia striatula
Western earth snake Virginia valeriae elegans
Great Plains ground snake Sonora episcopa
Eastern copperhead Agkistrodon contortrix [5]
Northern cottonmouth Agkistrodon piscivorus
Timber rattlesnake Crotalus horridus
Western pygmy rattlesnake Sistrurus miliarius streckeri
Eastern massasauga Sistrurus catenatus