Polycirrus

Garraffoni, André R. S. & Costa, Elisa M., 2003, Two new species of Polycirrus (Polychaeta, Terebellidae) from Abrolhos Archipelago, Brazil, Zootaxa 297, pp. 1-7 : 3

Key for identification of Abrolhos species of Polycirrus

1 Notochaetae one type (pinnate), nephridial papillae on segments 3–11, first neurochaetae on segment 7 ..................................................... Polycirrus abrolhensis new species

­ Notochaetae two types (pinnate and smooth), first neurochaetae on segment 11 .......... ......................................................................................... Polycirrus paivai new species