Neanthes, Kinberg, 1865

Hsueh, Pan-Wen, 2019, Neanthes (Annelida: Nereididae) from Taiwanese waters, with description of seven new species and one new species record, Zootaxa 4554 (1), pp. 173-198 : 197

Key to Neanthes species reported from Taiwanese waters

(*see Bakken & Wilson 2005: 511, fig. 4D, E for the definition)

1 Notopodial prechaetal lobe present........................................................................ 2

- Notopodial prechaetal lobe absent........................................................................ 8

2 Neurochaetae sesquigomph spinigers and falcigers present.................................................... 3

- Neurochaetae sesquigomph spinigers and falcigers absent...................................................... 4

3 Notopodial prechaetal lobe present from chaetiger 3 to 24..................................... N. kaomeiensis n. sp.

- Notopodial prechaetal lobe present from chaetiger 3 to 100+......................... N. glandicincta ( Southern, 1921)

4 Area V of the pharynx with at least 1 conical paragnaths....................................................... 5

- Area V of the pharynx without conical paragnaths............................................................ 6

5 Area V of the pharynx with 1 conical paragnaths.............................................. N. sanguensis n. sp.

- Area V of the pharynx with 4 conical paragnaths....................................................... N. sp. 1

6 Area VI of the pharynx with 7–13 conical paragnaths each side.............................. N. donggungensis n. sp.

- Area VI of the pharynx without conical paragnaths.......................... N. cf. nanhaiensis Wu, Sun & Yang, 1981

7 Area V of the pharynx with no more than 3 conical paragnaths.................................................. 8

- Area V of the pharynx with 7–8 conical paragnaths......................................... N. shigungensis n. sp.

8 Area III of the pharynx with at least 45 conical paragnaths........................................ N. babuzai n. sp.

- Area III of the pharynx with less than 32 conical paragnaths.................................................... 9

9 Neuropodial heterogomph falciger with medium-length terminal blade (blade inner margin lengths with b>a*).................................................................................................. N. jihueiensis n. sp.

- Neuropodial heterogomph falciger with long terminal blade (blade inner margin lengths with b>2a*)... N. kinmenensis n. sp.