Elisesione, Salazar-Vallejo, 2016

Jimi, Naoto, Eibye-Jacobsen, Danny & Salazar-Vallejo, Sergio I., 2018, Description of Elisesione imajimai sp. nov. From Japan (Annelida: Hesionidae) and A Redescription of E. problematica (Wesenberg-Lund, 1950) and Its Confirmation Within Hesionini, Zoological Studies 57 (8), pp. 1-9 : 8

Key to species of the genus Elisesione (modified from Salazar-Vallejo 2016)

1 Acicular lobe single; parapodia with dorsal ceratophores about twice longer than wide; neurochaetal blades with guards ............................................................................... 2

- Acicular lobe double; parapodia with dorsal ceratophores 4-5 times longer than wide; neurochaetal blades 1-3 times longer than wide, without guards (palps about 2/3 as long as antennae) ................. E. mezianei Salazar-Vallejo, 2016

2 Acicula black in ethanol; palps as long as antennae; ventral cirri hardly reach tips of neurochaetal lobes ........................ ........................... E. problematica ( Wesenberg-Lund, 1950)

- Acicula pale brownish in ethanol; palps 1/2-4/5 times as long as antennae; ventral cirri surpass neurochaetal lobe tips ...................................... E. imajimai sp. nov. This study