Micropodarke Okuda, 1938

Rizzo, Alexandra E. & Salazar-Vallejo, Sergio I., 2014, Hesionidae Grube, 1850 (Annelida: Polychaeta) from South-Southeastern Brazil, with descriptions of four new species, Zootaxa 3856 (2), pp. 267-291 : 271

Key to species of Micropodarke Okuda, 1938

(based upon figures in Pleijel & Rouse 2005 and other sources)

1 Adhesive glands rounded............................................................................... 2

– Adhesive glands conical; antennae and palps of similar length; palp articulation duplicated; posterior prostomial margin with a semilunar ridge................................... M. “ dubia ” Pleijel & Rouse, 2005 (non Hessle, 1925) California

2(1) Antennae and palps of similar length...................................................................... 3

– Antennae shorter than palps; antennae tapered.............................................................. 4

3(1) Antennae thick, blunt; palpostyle medially swollen, tapered........... M. trilobata Hartmann-Schröder, 1983 W Australia

– Antennae thin, tapered; palpostyle medially swollen, blunt................................ M. pleijeli n. sp. S Brazil

4(3) Prostomium squarish (as long as wide); neurochaetal blades with basal denticles longer than blade width.............................................. M. dubia ( Hessle, 1925) Japan topotypes (includes Micropodarke amemiyai Okuda, 1938 )

– Prostomium rectangular (longer than wide); neurochaetal blades with basal denticles shorter than blade width............................................................. M. “ dubia ” Pleijel & Rouse, 2005 (not Hessle, 1925) Hong Kong