Perinereis species
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publication ID |
https://doi.org/10.6620/ZS.2024.63-39 |
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persistent identifier |
https://treatment.plazi.org/id/BA245356-105F-FFE6-FF04-6914158AFC2D |
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treatment provided by |
Felipe |
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scientific name |
Perinereis species |
| status |
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Key to Perinereis species reported from Taiwan
1. Area VI with 1 bar ...................................................................... 2
- Area VI with 2 or more bars ..................................................... 14
2. Dorsal ligule not greatly expanded on posterior chaetigers ....... 3
- Dorsal ligule greatly expanded on posterior chaetigers ........... 10
3. Area III with lateral teeth ........................................................... 4
- Area III without lateral teeth ...................................................... 8
4. Area V with 3 cones ................................................................... 5
- Area V without cones ........................ P. pseudocutrifera sp. nov.
5. Notopodia with prechaetal lobe .................................................. 6
- Notopodia without prechaetal lobe ............................................ 7
6. Notopodia prechaetal lobe present only on anterior chaetigers, neuropodial heterogomph spinigers present on chaetigers of all body regions ...................................... P. cultrifera ( Grube, 1840) View in CoL
- Notopodia prechaetal lobe present only on mid-body chaetigers, neuropodial heterogomph spinigers present only on mid-body to posterior chaetigers ................................. P. taitungensis sp. nov.
7. Area VI with long straight bar, u-shaped ridge pattern of areas VI–V–VI ................................................. P. helleri ( Grube, 1878) View in CoL
- Area VI with chevron-shaped bar, ɔc-shaped ridge pattern of areas VI–V–VI .......................................... P. pangcahae sp. nov.
8. Area V with one cone ................................................................. 9
- Area V with 4–16 cones ................ P. longdongwanensis sp. nov.
9. Areas VI–V–VI with λ-shaped ridge pattern ................................ ............................................................ P. floridana ( Ehlers, 1868) View in CoL
- Areas VI–V–VI with χ-shaped ridge pattern ................................. ................................................................ P. houbihuensis sp. nov.
10. Area III with lateral teeth, area IV without bars ....................... 11
- Area III without later teeth, area IV with or without bars ........ 12
11. Notopodia prechaetal lobe present; dorsal ligule to median ligule length ratio about 3.3 on posterior chaetigers ............................... ...................................................... P. nigropunctata ( Horst, 1889) View in CoL
- Notopodia prechaetal lobe absent; dorsal ligule to median ligule length ratio about 4.3 on posterior chaetigers ............................... ............................................................. P. wanlitongensis sp. nov.
12. Area IV with bars ..................................................................... 13
- Area IV without bars ...................... P. euiini Park and Kim, 2017 View in CoL
13. Area VI with cones; neuropodia without heterogomph spinigers ................................................ P. amblyodonta (Schmarda, 1868) View in CoL
- Area VI without cones; neuropodial with heterogomph spinigers on mid-body to posterior chaetigers ........... P. kebalanae sp. nov.
14. Area VI with 2 bars .................................................................. 15
- Area VI with 3 or more bars ..................................................... 17
15. Area VI with 2 very short bars; neuropodial heterogomph falcigers with long blade ............... P. aibuhitensis ( Grube, 1878) View in CoL
- Area VI with 2 long straight bars; neuropodial heterogomph falcigers with medium-sized blade ........................................... 16
16. Area IV with more than 39 cones; areas VII–VIII with more than 57 cones .......................................... P. vancaurica ( Ehlers, 1868) View in CoL
- Area IV with fewer than 37 cones; areas VII–VIII with fewer than 57 cones ............................... P. singaporiensis Grube, 1878 View in CoL
17. Dorsal ligule not greatly expanded on posterior chaetigers ..... 18
- Dorsal ligule greatly expanded on posterior chaetigers ........... 29
18. Area III with cones, areas VII–VIII with more than 13 cones ...... ................................................................................................... 19
- Area III without cones, areas VII–VIII with less than 13 cones ... ........................................................................ P. tubicola sp. nov.
19. Area III with lateral teeth ......................................................... 20
- Area III without lateral teeth ................... P. kaomeiensis sp. nov.
20. Area VI with 3 bars ................................ P. hsinchuensis sp. nov.
- Area VI with more than 3 bars ................................................. 21
21. Areas VI–V–VI with λ-shaped ridge pattern ........................... 22
- Areas VI–V–VI with ɔc-shaped or χ-shaped ridge pattern ...... 23
22. Area V with 3 cones, Area III with 30 cones ................................ ...................................................................... P. qiguensis sp. nov.
- Area V without cones, Area III with 17 cones .............................. .................................................................... P. ludaoensis sp. nov.
23. Areas VI–V–VI with ɔc-shaped ............................................... 24
- Areas VI–V–VI with χ-shaped ridge pattern ............................ 28
24. Area V with 1 cone; neuropodia without heterogomph spinigers on chaetigers of all body regions .................. P. daxiensis sp. nov.
- Area V with 3 or more cones; neuropodia with heterogomph spinigers at least on posterior chaetigers .................................. 25
25. Neuropodia with heterogomph spinigers on anterior chaetigers ... ................................................................................................... 26
- Neuropodia without heterogomph spinigers on anterior chaetigers ................................................................................................... 27
26. Area VII–VIII with more than 33 cones; dorsal ligule center lobe with one large oval-shaped glandular mass on posterior chaetigers .............................. P. shikueii Glasby and Hsieh, 2006 View in CoL
- Area VII–VIII with less than 24 cones; dorsal ligule center lobe without glandular mass on posterior chaetigers ............................ .................................................................... P. yehliuensis sp. nov.
27. Area III with 17 cones; neuropodia with heterogomph spinigers on mid-body to posterior chaetigers .......... P. liuqiuensis sp. nov.
- Area III with 10 cones; neuropodia with heterogomph spinigers only on posterior chaetigers ......................... P. yufuensis sp. nov.
28. Dorsal cirri to dorsal ligule length ratio about 1.5 anteriorly, increasing to 2.0–3.0 posteriorly ................................................... ................................................ P. wilsoni Glasby and Hsieh, 2006 View in CoL
- Dorsal cirri to dorsal ligule length ratio about 1.0 throughout (except last few chaetigers) ... P. mictodonta ( Marenzeller, 1879) View in CoL
29. Area V with 10 small and many minute cones .............................. .................................................................. P. fugangensis sp. nov.
- Area V with 1 large and many minute cones ................................ ...................................................... P. neocaledonica Pruvot, 1930 View in CoL
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