Comparison of Aphelochaeta falklandica sp. nov. and A. cf. longisetosa (Hartmann-Schröder, 1965). Aphelochaeta cf. longisetosa a drawing of pygidium showing pointed ventral anal lobe b drawing of anterior showing rounded peristomium. Aphelochaeta falklandica sp. nov. c drawing of pygidium showing rounded ventral anal lobe d drawing of anterior showing domed dorsal peristomium and widened flat thoracic chaetigers e detail drawing of prostomium and peristomial area showing arrangement of dorsal tentacles and 1st branchiae.