Review of Amaeana Hartman, 1959 (Annelida, Terebelliformia, Polycirridae), with descriptions of seven new species
Author
Nogueira, João Miguel De Matos
Author
Carrerette, Orlemir
Author
Hutchings, Pat
text
Zootaxa
2015
3994
1
1
52
journal article
10.11646/zootaxa.3994.1.1
1334b429-62a4-4505-9e05-d68b39058e5c
1175-5326
289137
093B124E-58AE-4303-8C07-2D7B27E6AC38
Key for the identification of species of
Amaeana
1. Up to 10 pairs of notopodia.............................................................................. 2
- More than 10 pairs of notopodia.......................................................................... 8
2. Short achaetous gap between termination of notopodia and beginning of neuropodia, less than 5 segments, much shorter than region with notopodia.................................................................................. 3
- Achaetous gap between termination of notopodia and beginning of neuropodia with at least 5 segments, about as long as region with notopodia or longer in most species................................................................... 4
3. Long buccal tentacles spatulate (
Fig. 2
E); 10 pairs of notopodia, on segments 3–12; neuropodia with 7–8 spines each.............................................................................................
Amaeana trilobata
- Long buccal tentacles with blunt to pointed tips after subdistal swelling (
Fig. 4
A–B, D–F); 9 pairs of notopodia, on segments 3–11; neuropodia with 5–6 spines each.............................................
Amaeana breviachaeta
sp. nov.
4. Neuropodia with up to 3 spines each, at most................................................................ 5
- Neuropodia with at least 4–5 spines each................................................................... 7
5. Both rows of notochaetae with acicular chaetae (
Fig.
9
I–J)..................................................... 6
- Both rows of notochaetae with pinnate chaetae (
Fig. 6
A–B)................................
Amaeana hsiehae
sp. nov.
6. Distally sharp neuropodial spines (
Fig. 9
K)....................................................
Amaeana apheles
- Basally bulbous, distally truncate neuropodial spines (
Fig. 13
H–I).....................
Amaeana crassispinulata
sp. nov.
7. Achaetous gap between termination of notopodia and beginning of neuropodia with 8 segments; neuropodia with 4–5 spines each............................................................................
Amaeana angulus
sp. nov.
- Achaetous gap between termination of notopodia and beginning of neuropodia with 5 segments; neuropodia with ~8–11 spines each........................................................................
Amaeana ellobophora
sp. nov.
8. Long buccal tentacles highly specialised, not spatulate........................................................ 9
- Highly specialised buccal tentacles absent, long tentacles spatulate or unknown (missing on
type
material).............. 11
9. Achaetous gap between termination of notopodia and beginning of neuropodia, with more than 20 segments; neuropodia each with numerous spines, ~13 on anterior abdominal segments, ~8 posteriorly.......................
Amaeana occidentalis
- Achaetous gap between termination of notopodia and beginning of neuropodia with ~8–10 segments; neuropodia throughout with 1–3 spines each.................................................................................. 10
10. Twelve pairs of notopodia; neuropodia with 1–2 spines each......................................
Amaeana yirrarn
-
Eleven pairs of notopodia; neuropodia with 2–3 spines each...........................
Amaeana brasiliensis
sp. nov.
11. Achaetous gap between termination of notopodia and beginning of neuropodia consisting of more than 10 segments; neuropo- dia with 4–5 spines each......................................................
Amaeana dampierensis
sp. nov.
- Achaetous gap between termination of notopodia and beginning of neuropodia consisting of less than 10 segments; neuropodia with ~8 spines each...................................................................
Amaeana accraensis