What significant taxonomic revision regarding *Naja melanoleuca* was introduced in research published in 2018?

Answer

It was found to be a complex comprising five distinct species

Research published in 2018 revealed that what was previously considered the single largest cobra species (*Naja melanoleuca*) is actually a complex made up of five genetically distinct species.

What significant taxonomic revision regarding *Naja melanoleuca* was introduced in research published in 2018?
Forestreptilesnakecobra