Heads up: Some or all of the identifications affected by this split may have been replaced with identifications of Agkistrodon. This happens when we can't automatically assign an identification to one of the output taxa. Review identifications of Agkistrodon contortrix 30678

Taxon split aaaaaa 48px Taxonomic Split 65172 (Committed on 2019-11-19)

unknown | Agkistrodon contortrix swing-split
| loarie on 2019-11-19
split into

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Both splits that were proposed by Guiher et al are not really usable in the real world. A. controtrix has been split into two species WITH large amounts of gene flow. This gene flow is shown in a figure in their paper to encompass a swath of between 50 and 200 miles from the coast of Texas, north into Kansas. So all of the snakes that fall into that hybrid zone are not definable to species. If this paper is going to be used then please make an A. contortrix "complex" taxon so that the hybrids can be placed into copperheads instead of being relegated to only generic level ID. The same goes for A. piscivorus in the south east with an even wider area of "hybridization" between the two species.

Posted by toby about 1 month ago (Flag)

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