Atractus trihedrurus

{{Short description|Species of snake}}

{{Speciesbox

| image = Atractus Trihedrurus.jpg

| status = LC | status_system = IUCN3.1

| status_ref =

| genus = Atractus

| species = trihedrurus

| authority = Amaral, 1926

}}

Atractus trihedrurus is a species of snake in the family Colubridae. In English the species goes by the common name southern ground snake.{{Cite web|title=Southern Ground Snake - Encyclopedia of Life|url=https://eol.org/pages/453809|access-date=2021-10-23|website=eol.org}}

A. trihedrurus reproduces sexually through oviparity.

It can be found in southern Brazil and is endemic to the Atlantic Forest.{{Cite web|title=Atractus trihedrurus|url=https://reptile-database.reptarium.cz/species.php?genus=Atractus&species=trihedrurus|access-date=2021-10-29|website=The Reptile Database}}

The IUCN lists the A. trihedrurus as least concern, while agricultural and mining have a impacted on the species. This species occurs in protected regions, the habitat decline is very low, and the species has a extent occurrence of around 36,000 km^2.{{cite iucn |author=Silveira, A.L. |author2=Prudente, A.L. da C. |author3=Argôlo , A.J.S. |author4=Abrahão, C.R. |author5=Nogueira, C. de C. |author6=Barbo, F.E. |author7=Costa, G.C. |author8=Pontes, G.M.F. |author9=Colli, G.R. |author10=Zaher, H. el D. |author11=Borges-Martins, M. |author12=Martins, M.R.C. |author13=Oliveira , M.E. |author14=Passos, P.G.H. |author15=Bérnils, R.S. |author16=Sawaya, R.J. |author17=Cechin, C.T.Z. |author18=da Costa, T.B.G. |year=2019 |title=Atractus trihedrurus |volume=2019 |page=e.T15158494A123739598 |doi=10.2305/IUCN.UK.2019-2.RLTS.T15158494A123739598.en |access-date=31 October 2021}}