Yeah, a lot of hatcheries are finally catching up on the Ameraucana thing (after over 40 years of the breed being standardized now if I remember right!), but some still stubbornly cling to calling their Easter-eggers as Ameraucanas for whatever reason. I'm sorry you ended up with a bird that...
Your Brown Red Ameraucana is an Easter-egger. The Brown Red variety, confusingly enough, has no brown on it at all and is instead all black except for some red in the hackles of the hens and hackles and saddle of the roosters, the same pattern as on the much more fittingly named Black Copper...