Polycirrus, Grube, 1850

Key to provisional groups within Polycirrus View in CoL

1. Short uncini with flat base (Type 1).............. 2

– Uncini with long neck and arched base (Type 2).......... 3

2. Last notopodial segment 20, or before (Group 1A) P. albicans View in CoL , P. antarcticus View in CoL , P. bicrinalis View in CoL , P. broomensis View in CoL , P. dodeka View in CoL , P. haematodes View in CoL , P. hesslei View in CoL , P. insignis View in CoL , P. (Ereutho) kerguelensis View in CoL , P. kerguelensis View in CoL , P. latidens View in CoL , P. medusa View in CoL , P. nephrosus View in CoL , P. norvegicus View in CoL , P. plumosus View in CoL , P. rosea View in CoL , P. variabilis View in CoL

– Last notopodial segment 21, or after (Group 1B) P. arenivorus View in CoL , P. aurantiacus View in CoL , P. californicus View in CoL , P. carolinensis View in CoL , P. chilensis View in CoL , P. eximius dubius View in CoL , P. hamiltoni View in CoL , P. luminosus View in CoL , P. multisetigerous , P. multus View in CoL , P. nervosus View in CoL , P. perplexus View in CoL , P. purpureus View in CoL , P. phosphoreus View in CoL , P. swakopianus View in CoL , P. tesselatus View in CoL

3. Long pinnate notochaetae present (Group 2A) P. aquila View in CoL , P. boholensis View in CoL , P. clavatus View in CoL , P. coccineus View in CoL , P. disjunctus View in CoL , P. glaucus View in CoL , P. medius View in CoL , P. pumilis , P. twisti View in CoL

– Long pinnate notochaetae absent (Group 2B) P. octosetus View in CoL , P. parvus View in CoL , P. paucidens View in CoL , P. porcata View in CoL , P. quadratus View in CoL