Peresiella Harmelin 1968

Genus Peresiella Harmelin, 1968 Type species: Peresiella clymenoides Harmelin, 1968, by monotypy. Diagnosis (after Silva & Amaral 2022). Anterior end variable, may be modified as cephalic plate or having short, conical prostomium, palpode present; eyespots present or absent, when present in multiple spots. Peristomium clearly distinct from prostomium; achaetous segment absent. First chaetiger uniramous. Eleven thoracic chaetigers. Chaetigers 1–3 with only capillaries; modified spatulate chaetae on all remaining thoracic chaetigers, up to chaetiger 10 or on chaetigers 4 and 5 only; remaining thoracic chaetigers with capillary chaetae or hooded hooks. Transition between thorax and abdomen can be clearly demarcated or subtle. Abdominal segments with only hooded hooks or modified (“transitional”) on anterior abdomen. Poorly developed neuropodial lobes. Branchiae present or absent, when present, as simple expansions of notopodia. Genital pores and lateral organs not observed. Pygidium not observed.