Laubieriopsis Petersen, 2000

Salazar-Vallejo, Sergio I., Zhadan, Anna E. & Rizzo, Alexandra E., 2019, Revision of Fauveliopsidae Hartman, 1971 (Annelida, Sedentaria), Zootaxa 4637 (1), pp. 1-67 : 39-40

Key to species of Laubieriopsis Petersen, 2000

(modif. Magalhães et al. 2014)

1 Body with up to 16 chaetigers........................................................................... 2 – Body with 20 or more chaetigers......................................................................... 5

2(1) Body with 15 chaetigers................................................................................ 3 – Body with 16 chaetigers; paired or unpaired genital papilla on right side of chaetiger 6/7............................. 4

3(2) Genital papillae unpaired, on right side of chaetiger 6–7; thoracic chaetigers with bidentate aciculars................................................ L. petersenae Magalhães, Bailey-Brock & Rizzo, 2014 ; Central Pacific (platform species) – Genital papillae usually paired, on chaetigers 6–7; all chaetigers with tapered aciculars.. L. blakei n. sp.; SE Pacific (abyssal)

4(2) GP short, globular, granulose, barely projected form body wall (oocytes along chaetigers 5–6).................................................. L. hartmanae ( Levenstein, 1970) reinst.; NW Pacific (incl. L. brevis japonica Imajima, 2009 )

– GP long, oval, smooth, projected from body wall (oocytes along chaetigers 5–7(8)).. L. brevis ( Hartman, 1965) ; NW Atlantic

5(1) Body with 20–21 chaetigers; GP unpaired on right side of chaetiger 8; strongly or weakly bidentate aciculars on thorax; last segment with aciculars extending beyond the body..................... L. cabiochi ( Amoureux, 1982) ; Eastern Atlantic

– Body with more than 21 chaetigers....................................................................... 6

6(5) Anterior chaetigers with aciculars tapered, tips entire......................................................... 7

– Anterior chaetigers with aciculars bidentate; anterior and posterior segments entire, not annulated; body with 22 chaetigers; GP paired on segment 8.......................................... L. norvegica Zhadan & Atroschenko, 2012 ; Norway

7(6) Anterior and posterior segments entire, not annulated; body with 47 chaetigers; GP not see........................................................................... L. fauchaldi ( Katzmann & Laubier, 1974) n. comb.; Mediterranean

– Anterior segments annulated (3–4 rings); body with 25 chaetigers; GP paired on chaetiger 6–7............................................................................................ L. arenicola ( Riser, 1987) ; New Zealand