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Pantherophis obsoletus, also known commonly as the western rat snake, black rat snake, pilot black snake, or simply black snake, [4] is a nonvenomous species of snake in the family Colubridae. The species is native to central North America. There are no subspecies that are recognized as being valid. [5] Its color variations include the Texas ...
The young of this subspecies can be distinguished from those of the western rat snake (Pantherophis obsoletus) by considering the dark bar that runs through each eye. In Slowinski's corn snake, this bar extends through the jawline and onto the neck, whereas in the western rat snake the bar extends only to the jawline where it stops abruptly.
The Texas rat snake (Pantherophis obsoletus lindheimeri) is a subspecies of the black rat snake, a nonvenomous colubrid. It is found in the United States , primarily within the state of Texas , but its range extends into Louisiana , Arkansas and Oklahoma . [ 1 ]
Pantherophis is a genus of nonvenomous colubrid snakes endemic to central and eastern regions of North America. It consists of the North American ratsnakes , the foxsnakes , and the cornsnakes . The genus, which contains 10 recognized species, first appeared in the fossil record in the Middle Miocene around 16.3 million years ago.
Eastern rat snake (subadult), Pantherophis quadrivittatus, in Maryland P. alleghaniensis is found in the United States east of the Apalachicola River in Florida, east of the Chattahoochee River in Georgia, east of the Appalachian Mountains, north to southeastern New York and western Vermont, eastern Pennsylvania, Maryland, South Carolina, North Carolina, Georgia, south to the Florida Keys.
Pantherophis alleghaniensis — Holbrook , 1836 The gray ratsnake or gray rat snake ( Pantherophis spiloides ), also commonly known as the black ratsnake , central ratsnake , chicken snake , midland ratsnake , or pilot black snake , is a species of nonvenomous snake in the genus Pantherophis in the subfamily Colubrinae . [ 5 ]
Pantherophis bairdi has sometimes been considered a subspecies of Pantherophis obsoletus, to which it is closely related. Pantherophis bairdi has often been placed in the genus Elaphe, but recent phylogenetic analyses have resulted in its transfer to the genus Pantherophis. [6] [7] [8]
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