there is no such thing as a thamnophis radix
The scientific or taxonomic name would be Thamnophis radix.
You have it right in your question, the genus is Thamnophis, and the species is sirtalis. The common name is the garter snake.
Garter snakes are in the genus 'Thamnophis'. The common garter snake is 'Thamnophis sirtalis'
Radix jordii was created in 2007.
Radix linae was created in 2007.
Radix - novel - was created in 1981.
Radix - studio - was created in 1995.
Thamnophis
algorithm to convert a number representing radix r1 to radix r2
The plural form of radix is radices. Pronounced [rad-uh-seez].
The ISBN of Radix - novel - is 0-688-00135-1.
Radix - novel - has 467 pages.