According to Restall's Birds of Northern South America, the nominate violaceus is now called Amazonian Violaceous Trogon, with (at least) the (sub)species caligatus now called Northern Violaceous or Gartered Trogon.
According to Restall's Birds of Northern South America, the nominate violaceus is now called Amazonian Violaceous Trogon, with (at least) the (sub)species caligatus now called Northern Violaceous or Gartered Trogon.