Ampharetidae
Creators: name: Reuscher, Michael
name: Fiege, Dieter
name: Wehe, Thomas
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Annelida
Polychaeta
Terebellida
Ampharetidae

description: Key to genera of Ampharetidae
1. 3–4 anterior segments with fine acicular neurochaetae. Chaetae on segment II (paleae) absent. Post-branchial hooks may be present ......................................................................................................................................... Melinninae ...2
- Acicular neurochaetae absent. Notochaetae on segment II (paleae) may be present. Post-branchial hooks absent ...... Ampharetinae ................................................................................................................................................................ 7
2. Post-branchial hooks present ........................................................................................................................................ 3
- Post-branchial hooks absent.......................................................................................................................................... 5
3. 2 pairs of post-branchial hooks....................................................................................................................... Moyanus
- 1 pair of post-branchial hooks ...................................................................................................................................... 4
4. 4 pairs of smooth branchiae. 14 thoracic uncinigers ........................................................................................ Melinna
- 2–4 pairs of branchiae, 2 pairs papillose. 12–13 thoracic uncinigers .................................................................. Isolda
5. 3 pairs of branchiae................................................................................................................................. Melinnopsides
- 4 pairs of branchiae...................................................................................................................................................... 6
6. 16 thoracic uncinigers............................................................................................................................ Melinantipoda
- 10–14 thoracic uncinigers.......................................................................................................................... Melinnopsis
7. Uncini absent. Nuchal organ with distinct papillae .................................................................................. Andamanella
- Uncini present. Nuchal organ without distinct papillae................................................................................................ 8
8. 4 pairs of branchiae....................................................................................................................................................... 9
- Less than 4 pairs of branchiae..................................................................................................................................... 45
9. First abdominal segment with fan–shaped structures connected by dorsal membrane .......................... Jugamphicteis
- First abdominal segment without fan–shaped structures............................................................................................ 10
10. Posterior thorax with modified segment: elevated notopodia, may be connected by dorsal glandular ridge, with mod- ified capillary chaetae or prolonged segments............................................................................................................ 11
- Posterior thorax without modified segment ............................................................................................................... 14
11. 4th, 5th or 6th last notopodia elevated or with modified capillary chaetae; alternatively, last few thoracic chaetigers prolonged ......................................................................................................................................... Anobothrus (part)
- 3rd last notopodia elevated .......................................................................................................................................... 12
12. 13 thoracic uncinigers.................................................................................................................................... Sosanella
- 12 thoracic uncinigers................................................................................................................................................. 13
13. 15 thoracic chaetigers .................................................................................................................................. Sosanopsis
- 16 thoracic chaetigers ......................................................................................................................................... Sosane
14. Prostomial glandular ridges or nuchal organs referred to as glandular ridges present ............................................... 15
- Prostomial glandular ridges or nuchal organs referred to as glandular ridges absent ............................................... 21
15. Chaetae on segment II (paleae) present ...................................................................................................................... 16
- Chaetae on segment II (paleae) absent ...................................................................................................................... 18
16. 13 thoracic uncinigers...................................................................................................................................... Hypania
- 14 thoracic uncinigers................................................................................................................................................. 17
17. Abdominal segments with none or few rudimentary notopodia. Anal cirri absent ...................................... Hobsonia
- Abdominal segments with rudimentary notopodia. Anal cirri present ....................................................... Amphicteis
18. Buccal tentacles papillose ....................................................................................................................... Paramphicteis
- Buccal tentacles smooth ............................................................................................................................................. 19
19. Abdominal rudimentary notopodia absent; club-shaped notopodial cirri absent ...................................... Grubianella
- Abdominal rudimentary notopodia present; club-shaped notopodial cirri present..................................................... 20
20. 2–3 anteriormost thoracic notopodia rudimentary. Pre-branchial segments not fused ventrally ................. Mexamage
- Anteriormost thoracic notopodia not rudimentary. Pre-branchial segments fused ventrally ................... Amage (part)
21. 17 thoracic uncinigers...................................................................................................................................... Amathys
- 10–14 thoracic uncinigers.......................................................................................................................................... 22
22. 10 thoracic uncinigers................................................................................................................................................. 23
- 11–14 thoracic uncinigers ........................................................................................................................................... 24
23. 13 thoracic chaetigers ............................................................................................................................. Decemunciger
- 15 thoracic chaetigers .................................................................................................................................... Grassleia
24. 11 thoracic uncinigers ................................................................................................................................................. 25
- 12–14 thoracic uncinigers........................................................................................................................................... 30
25. Abdominal rudimentary notopodia present ................................................................................................................ 26
- Abdominal rudimentary notopodia absent.................................................................................................................. 28
26. 1–2 anteriormost thoracic notopodia rudimentary........................................................................................ Paramage
- Anteriormost thoracic notopodia not rudimentary ..................................................................................................... 27
27. Branchiae foliose. 14 thoracic chaetigers ............................................................................................. Phyllampharete
- Branchiae cirriform. 15 thoracic chaetigers................................................................................................. Amagopsis
28. 15 thoracic chaetigers ................................................................................................................................ Endecamera
- 13–14 thoracic chaetigers ........................................................................................................................................... 29
29. Branchiae papillose ............................................................................................................................... Pterampharete
- Branchiae smooth ......................................................................................................................................... Sabellides
30. 12 thoracic uncinigers ................................................................................................................................................ 31
- 13–14 thoracic uncinigers .......................................................................................................................................... 38
31. Buccal tentacles absent. Jaw structures present. Chaetae on segment II (paleae) present ................. Gnathampharete
- Buccal tentacles present. Jaw structures absent. Chaetae on segment II (paleae) present or absent ......................... 32
32. 16 thoracic chaetigers ................................................................................................................................................ 33
- 14 or 15 thoracic chaetigers ........................................................................................................................................ 35
33. Branchiae arranged segmentally, of different sizes ........................................................................................ Noanelia
- Branchiae arranged 2+2 or in transverse row. Branchiae of uniform size.................................................................. 34
34. Branchiae arranged 2+2. Lower lip crenulated................................................................................... Pseudampharete
- Branchiae arranged in transverse row. Lower lip not crenulated ................................................................... Pavelius
35. 14 thoracic chaetigers .................................................................................................................................. Asabellides
- 15 thoracic chaetigers ................................................................................................................................................. 36
36. Chaetae on segment II (paleae) present. Up to 26 abdominal segments ...................................................... Ampharete
- Chaetae on segment II (paleae) absent. More than 30 abdominal segments .............................................................. 37
37. 3 of 4 pairs of branchiae lamellate........................................................................................................... Schistocomus
- Each pair of branchiae smooth.................................................................................................................. Phyllocomus
38. 13 thoracic uncinigers ................................................................................................................................................ 39
- 14 thoracic uncinigers ............................................................................................................................................... 40
39. 1 pair of branchiae papillose ................................................................................................................... Pterolysippe
- Each pair of branchiae smooth........................................................................................................................... Lysippe
40. 17 thoracic chaetigers ............................................................................................................................ Amphisamytha
- 18 thoracic chaetigers ............................................................................................................................................... 41
41. 2 of 4 pairs of branchiae lamellate....................................................................................................... Phyllamphicteis
- Each pair of branchiae cirriform ................................................................................................................................. 42
42. Notopodial cirri present .................................................................................................................................... Paiwa
- Notopodial cirri absent............................................................................................................................................... 43
43. 3 pairs of branchiae in transverse row, 4th pair behind outermost pair of transverse row............................. Lysippides
- Branchial arrangement otherwise ............................................................................................................................. 44
44. Branchiae arranged 2+2, separated by median membrane. Chaetae on segment II (paleae) small. Anal cirri present.. .................................................................................................................................................................... Paralysippe
- Branchiae arranged 2+1+1. Chaetae on segment II (paleae) large. Anal cirri absent .................................. Hypaniola
45. 3 pairs of branchiae .................................................................................................................................................... 46
- Less than 3 pairs of branchiae.................................................................................................................................... 67
46. Last thoracic segment with elevated notopodia and modified notochaetae................................................................ 47
- Last thoracic segment without modification ............................................................................................................ 48
47. 9 thoracic uncinigers........................................................................................................................................... Mugga
- 10 thoracic uncinigers.................................................................................................................................. Muggoides
48. First abdominal segment with fan-shaped structures connected by dorsal membrane.................................... Ymerana
- First abdominal segment without fan-shaped structures............................................................................................. 49
49. 5th last thoracic unciniger with elevated notopodia connected by dorsal glandular ridge ............ Anobothrus laubieri
- 5th last thoracic unciniger without elevated notopodia................................................................................................ 50
50. Anterior thoracic segment with dorsal dermal ridge .................................................................................................. 51
- Anterior thoracic segment without dorsal dermal ridge ............................................................................................ 52
51. Branchiae originate from dermal ridge...................................................................................................... Neosamytha
- Branchiae and dermal ridge separated ............................................................................................... Melinnampharete
52. Prostomial glandular ridges or nuchal organ referred to as glandular ridges present................................................. 53
- Prostomial glandular ridges or nuchal organ referred to as glandular ridges absent .................................................. 54
53. 11 thoracic uncinigers ............................................................................................................................ Amage gallasi
- 14 thoracic uncinigers ............................................................................................................................. Samythopsis
54. 10 thoracic uncinigers................................................................................................................................... Adercodon
- More than 10 thoracic uncinigers .............................................................................................................................. 55
55. 11 thoracic uncinigers .............................................................................................................................................. 56
- More than 11 thoracic uncinigers ............................................................................................................................... 58
56. Branchiae segmentally arranged................................................................................................................. Ampharana
- Branchiae not segmentally arranged ......................................................................................................................... 57
57. 14 thoracic chaetigers ........................................................................................................................ Glyphanostomum
- 15 thoracic chaetigers ................................................................................................................................ Amythasides
58. 12 thoracic uncinigers................................................................................................................................................. 59
- More than 12 thoracic uncinigers ............................................................................................................................. 63
59. Chaetae on segment II (paleae) present ...................................................................................................................... 60
- Chaetae on segment II (paleae) absent .................................................................................................................... 61
60. Last 5 thoracic segments at least 3 times longer than anterior ones ........................................................... Eclysippe
- Last 5 thoracic segments not conspicuously prolonged.......................................................................... Parampharete
61. Tentacles borne on probosciform organ............................................................................................................... Pabits
- No probosciform organ present ................................................................................................................................ 62
62. Tentacles papillose ................................................................................................................................ Neosabellides
- Tentacles smooth.......................................................................................................................................... Samythella
63. 13 thoracic uncinigers..................................................................................................................................... Alkmaria
- 14 or 15 thoracic uncinigers ....................................................................................................................................... 64
64. 15 thoracic uncinigers.................................................................................................................................... Weddellia
- 14 thoracic uncinigers................................................................................................................................................ 65
65. Branchiae segmentally arranged.................................................................................................................... Neopaiwa
- Branchiae not segmentally arranged.......................................................................................................................... 66
66. Abdominal rudimentary notopodia present ..................................................................................................... Samytha
- Abdominal rudimentary notopodia absent....................................................................................................... Amythas
67. Branchiae absent. 11 thoracic uncinigers............................................................................................................ Emaga
- 2 pairs of branchiae. 9, 10, 12 or 14 thoracic uncinigers........................................................................................... 68
68. 14 thoracic uncinigers. Chaetae on segment II (paleae) present................................................................................. 69
- Less than 14 thoracic uncinigers. Chaetae on segment II (paleae) absent................................................................. 70
69. Prostomial glandular ridges present.................................................................................................... Pseudamphicteis
- Prostomial glandular ridges absent ........................................................................................................ Ecamphicteis
70. 12 thoracic uncinigers. First row of uncini about 2 times longer than remaining ones............................................. 71
- Less than 12 thoracic uncinigers. First row of uncini not prolonged ........................................................................ 72
71. Prostomium anteriorly pointed ................................................................................................................ Auchenoplax
- Prostomium anteriorly truncate ................................................................................................................. Melinnoides
72. 10 thoracic uncinigers. 2nd last pair of notopodia elevated, connected by dorsal glandular ridge................ Zatsepinia
- 9 thoracic uncinigers. No elevated notopodia................................................................................................. Egamella
description: Published as part of Reuscher, Michael, Fiege, Dieter & Wehe, Thomas, 2009, Four new species of Ampharetidae (Annelida: Polychaeta) from Pacific hot vents and cold seeps, with a key and synoptic table of characters for all genera, pp. 1-40 in Zootaxa 2191 on pages 6-9, DOI: 10.5281/zenodo.189379