Parahesione Pettibone, 1956

Key to species of Parahesione Pettibone, 1956 View in CoL

1. Six pairs of tentacular cirri; parapodia without dorsal foliose lobe..................................................................................... P. luteola ( Webster, 1879) View in CoL species group; West Atlantic and Indo-West Pacific*

– Eight pairs of tentacular cirri; parapodia with dorsal foliose lobe; Indo-West Pacific................................. 2

2. Tip of dorsal foliose lobe with digitate extension........ P. apiculata Jimi, Gonzalez, Rouse & Britayev, 2023 View in CoL ; West Pacific

– Tip of dorsal foliose lobe without digitate extension......................................................... 3

3. Lateral antennae biarticulate, with prominent ceratophores.................................................................................................... P. pulvinata Jimi, Gonzalez, Rouse & Britayev, 2023 View in CoL ; West Pacific

– Lateral antennae simple, no distinct ceratophores............................... P. dudahamra sp. nov.; Indian Ocean

* As of today, P. luteola species group includes only one described species from the West Atlantic ( P. luteola ). However, at least one undescribed species is reported from Indo-West Pacific ( New Caledonia), referred to as Parahesione sp. in Ruta et al. (2007) and Jimi et al. (2023); no characters except those which allow assigning it to P. luteola species group are mentioned.