Aserotaspis is an extinct genus of jawless fish which existed in what is now northern Canada. It was first named by Dineley and Loeffler in 1976, and...

†Apedolepis †Arandaspis †Archegonaspis †Archipelepis †Archodus †Ariaspis †Aserotaspis †Asketaspis †Aspidosteus †Astraspis †Atelaspis †Athenaegis †Auchenaspis...