Lepidonotopodium

Sui, Jixing & Li, Xinzheng, 2017, A new species and new record of deep-sea scale-worms (Polynoidae: Polychaeta) from the Okinawa Trough and the South China Sea, Zootaxa 4238 (4), pp. 562-570 : 568-569

Key to all Lepidonotopodium species

1. Body small (less than 15mm), not more than 25 segments......................................................2

- Body large (more than 25 mm), more than 25 segments.......................................................3

2. 23 segments.......................................................................................... 4

- 24 segments..........................................................................................5

3. 30 segments, elytra with 2 raised macrotubercles................................................. ... L. fimbriatum

- Less than 30 segments..................................................................................6

4. Elytra with 6–12 macrotubercles................................................................ .. L. atalantae

- Elytra with clavate micropapillae................................................................. L. minutum

5. Elytra with numerous foveolae............................................................ L. okinawae sp. nov.

- Elytra scattered clavate micropapillae...................................................................... 7

6. 28 segments, pharynx with 7 pairs of unequal-sized papillae, jaws with up to 12 basal teeth................... L. piscesae

- Egments, pharynx with subequal papillae, jaws with 7 basal teeth..................................... L. williamsae

7. Elytra with branching veins emanating from the place of attachment to the elytrophores, pharynx with 7–9 pairs of papillae............................................................................................... L. riftense

- Elytra without branching veins, pharynx with 7 pairs of unequal papillae.................................. L. jouinae