Fauveliopsis McIntosh, 1922

Salazar-Vallejo, Sergio I., Zhadan, Anna E. & Rizzo, Alexandra E., 2019, Revision of Fauveliopsidae Hartman, 1971 (Annelida, Sedentaria), Zootaxa 4637 (1), pp. 1-67 : 8-9

Key to Species of Fauveliopsis McIntosh, 1922

1 All parapodia with the same number of chaetae per rami along body............................................. 2 – Some parapodia (anterior, median and/or posterior) with different number of chaetae per rami........................ 8

2(1) Parapodia with only 2 chaetae per rami.................................................................... 3

– Parapodia with 2c2A/2A2c; body with 16(17) chaetigers; GP unknown........................................................................................... F. brattegardi Fauchald, 1972a ; NW Atlantic (Norwegian fjord)

3(2) Body with 10 chaetigers; body surface smooth, at least anteriorly; GP not seen..................................................................... F. jameoaquensis Núñez in Núñez, Ocaña & Brito, 1997 ; Canary Islands (anchialine)

– Body with more than 15 chaetigers....................................................................... 4

4(3) Body rugose dorsally, ventrally papillated; GP on right side, in chaetiger 12........ F. rugosa Fauchald, 1972b ; NE Pacific – Body surface rugose or papillated........................................................................ 5

5(4) GP present; body rugose................................................................................ 6 – GP not visible; body papillated.......................................................................... 7

6(5) Anterior chaetigers with sigmoid aciculars, posterior chaetigers with falcate aciculars; GP on right side of chaetigers 11–12................................................................ F. challengeriae McIntosh, 1922 ; Subantarctic

– Anterior and posterior chaetigers with sigmoid aciculars; GP single on right posterior part of chaetiger 9 to 11........................................................................ F. armata Fauchald & Hancock, 1981 ; NE Pacific

7(5) Pygidium multipapillated; body with 18–30 chaetigers................... Fauveliopsis sp. A Wolf, 1984; Gulf of Mexico

– Pygidium almost smooth, with two papillae; body with 27–28 chaetigers................................................................................... F. brevipodus Hartman, 1971 ; Chile, Drake Passage and Falkland Islands 8(1) Anterior and median regions with only 2 chaetae per rami; posterior chaetigers with more chaetae on both rami.......... 9 – Median and posterior regions with 3 or more chaetae on both rami............................................. 12

9(8) Body annulated, posteriorly smooth; posterior region with 1 capillary and 2–3 aciculars on notopodia and neuropodia; GP usu- ally on left side of chaetiger 11.............................................. F. levensteinae n. sp.; North Pacific

– Body surface not annulated (rugose and/or papillated)....................................................... 10

10(9) Posterior region with up to 6 neurochaetae per bundle....................................................... 11

– Posterior region with up to 8 neurochaetae per bundle; GP on right side, before chaetiger 11.................................................................................. F. adriatica Katzmann & Laubier, 1974 ; Mediterranean

11(10) GP on the right side, before chaetal lobe of chaetiger 13 or 14; 5–6 neurochaetae per bundle in posterior chaetigers..................................................................... F. magna Fauchald & Hancock, 1981 NE Pacific

– GP not seen; 2–6 neurochaetae per bundle in posterior chaetigers............. F. magalhaesi n. sp.; Southwestern Atlantic

12(8) Body smooth; posterior chaetigers with 2–3 aciculars and 2–3 capillaries per ramus; GP rarely paired, right side, before chaetal lobe of chaetiger 11................................... F. glabra Hartman in Hartman & Barnard, 1960 ; NE Pacific

– Body rugose (or scabrous)............................................................................. 13

13(12) Posterior chaetigers with 1–3 aciculars and 1–3 capillaries per ramus; GP on posterior margin of chaetiger 8......................................................................... F. scabra Hartman & Fauchald, 1971 ; NE Atlantic

– Posterior chaetigers with 3–4 aciculars and 3–4 capillaries per ramus; GP not seen (in type material; non-type with GP in chae- tiger 10)...................................................... F. olgae Hartmann-Schröder, 1983 ; NE Atlantic