Eunereis (Read & Fauchald, 2018)

Hsueh, Pan-Wen, 2018, First records of Composetia, Eunereis and Nectoneanthes (Annelida: Nereididae) from Taiwan, with descriptions of two new species, Zootaxa 4531 (2), pp. 211-224 : 222-223

Key to species of the genus Eunereis

(References: McIntosh 1885; Berkeley & Berkeley 1954; Eliason 1962; Fauchald 1977; León-González & Solís-Weiss, 2000; Bakken & Wilson 2005; Darbyshire 2014; Surugiu et al. 2018)

1 Area VI of the pharynx without shield-shaped or smooth bar paragnaths.......................................... 2 - Area VI of the pharynx with shield-shaped or smooth bar paragnaths............................................. 9 2 Area IV of the pharynx without paragnaths................................................................. 3 - Area IV of the pharynx with paragnaths.............................................. E. elittoralis ( Eliason, 1962) 3 Pharyngeal oral ring without a continuous broad band of small conical paragnaths.................................. 4 - Pharyngeal oral ring with a continuous broad band of small conical paragnaths................... E. marri (Monro, 1939) 4 Area V of the pharynx without paragnaths.................................................................. 5 - Area V of the pharynx with paragnaths........................................... E. patagonica ( McIntosh, 1885) 5 Area VI of the pharynx with less than 8 conical paragnaths..................................................... 6 - Area VI of the pharynx with more than 8 conical paragnaths................................ E. caeca Hartman, 1960 6 Area VI of the pharynx without paragnaths................................................................. 7 - Area VI of the pharynx with 1 to 7 paragnaths............................................................... 8 7 Areas VII/VIII of the pharynx with 6 paragnaths; notopodial homogomph falcigers with blade finely multidentate........................................................................................ E. longipes ( Hartman, 1936)

- Areas VII/VIII of the pharynx with 7 conical paragnaths; notopodial homogomph falcigers with blade having only four teeth............................................................... E. eugeniae León-González & Solís-Weiss, 2000

8 Areas VII/VIII of the pharynx without paragnaths.................................... E. longissima ( Johnston, 1840)

- Areas VII/VIII of the pharynx with 3 conical paragnaths........................ E. wailesi ( Berkeley & Berkeley, 1954)

9 Area VI of the pharynx with 1 smooth bar; Area VII with 3 smooth bars..................... E. paitillae Fauchald, 1977

- Area VI of the pharynx with 1 shield-shaped bar; Area VII without smooth bars................... E. shichengensis n. sp.