Lamispina, Salazar-Vallejo, 2014

Higashida, Yuki, Jimi, Naoto & Kajihara, Hiroshi, 2020, Lamispina miurai sp. nov. (Annelida: Flabelligeridae) from off Aomori, Japan, Species Diversity 25, pp. 329-342 : 331-332

Key to Species of Lamispina [Modified from Jimi and Kajihara (2018)]

1. Body papillae without sand or large sediment particles ............................................... 2

— Body with sand or larger particles, at least dorsally.. 10

2. Neurochaetae tip serrated subdistally............................. L. miurai this study: NW Pacific ( Japan)

— Neurochaetae tip not serrated..................... 3

3. Body papillae stiff, tapered or conical............... 4

— Body papillae delicate, filiform, often eroded leaving bare surfaces.................................... 8

4. Lamispines tapered, tips acuminate................ 5

— Lamispines subdistally widened, tips falcate......... 6

5. Lamispines from chaetiger 3; notochaetae abundant (9–12 per bundle); four transverse series of papillae on medial segments................................. L. kerguelarum ( Grube, 1877) : Southern Indian Ocean

— Lamispines from chaetiger 4; notochaetae sparse (5 per bundle); two transverse series of papillae on medial segments........................................ L. chilensis Salazar-Vallejo, 2014 : SE Pacific ( Chile)

6. Cephalic cage 6x longer than body width; medial parapodia with 8 notochaetae per bundle.................. L. carrerai Salazar-Vallejo, 2014 : NE Pacific ( Mexico)

— Cephalic cage 2–3x longer than body width......... 7

7. Medial parapodia with 5–6 notochaetae per bundle; body with 3–5 transverse series of papillae per segment......... L. horsti ( Haswell, 1892) : Southern Australia

— Medial parapodia with 10 notochaetae; body with 4–6 transverse series of papillae per segment.................... L. gymnopapillata ( Hartmann-Schröder, 1965) : SE Pacific ( Chile)

8. Notochaetae longer than body width............... 9

— Notochaetae 1/3 as long as body width; 7–8 lamispines per bundle, tips with fibers exposed; body with 2 transverse series of papillae per segment................. L. milligani Salazar-Vallejo, 2014 : NE Atlantic (Florida)

9. Medial segments with 5–7 lamispines per bundle, tips hooded, appearing bidentate; body with 5–6 transverse series of papillae per segment...................... L. schmidtii ( Annenkova-Chlopina, 1924) : Sea of Japan

— Medial segments with 4–5 lamispines per bundle, tips entire, smooth; body with 8–10 transverse series of papillae per segment........................................ L. falcata (StØp-Bowitz, 1948) : Norwegian Sea

10. Accessory tooth in neurochaetae absent........... 11

— Accessory tooth in neurochaetae present............. L. keeli Salazar-Vallejo, 2014 : Gulf of Mexico (Florida)

11. Lamispines from chaetiger 2; cephalic cage as long as body width............................................ L. amoureuxi Salazar-Vallejo, 2014 : NE Atlantic (off SW Ireland)

— Lamispines from chaetiger 4; cephalic cage 1.5–2.0 times as long as body width............................ L. ammophila Jimi and Kajihara, 2018 : NW Pacific ( Japan)