Thamnophis species and subspecies

[Thamnophis]

Thamnophis bogerti - Bogert´s Garter Snake (?). Mesa del Sur, Oaxaca, exclusive of the Sierra de Juárez.

[Thamnophis]

Thamnophis lineri - Liner´s Garter Snake (?). Sierra de Juárez portion of the Mesa del Sur, Oaxaca.

[Thamnophis]

Thamnophis conanti - Conant´s garter Snake (?). the southern interface of the Mesa Central and Sierra Madre Oriental near the Puebla-Veracruz state line.

[Stefan-A]

Thanks for the additions. How new are they?

[Thamnophis]

I found their descriptions in a paper of 2005.You can find it here:
http://163.238.8.180/~fburbrink/Rese...Compressed.pdf