Ampharetidae

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, Zootaxa 2191, pp. 1-40 : 6-9

publication ID

https://doi.org/ 10.5281/zenodo.189379

DOI

https://doi.org/10.5281/zenodo.6219204

persistent identifier

https://treatment.plazi.org/id/B63287A9-FFC0-B75E-838E-F8CDFA38FBB6

treatment provided by

Plazi

scientific name

Ampharetidae
status

 

Key to genera of Ampharetidae View in CoL

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 View in CoL ................................................................................................................................................................ 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 View in CoL

- 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 View in CoL

- 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 View in CoL (part)

- 3rd last notopodia elevated .......................................................................................................................................... 12

12. 13 thoracic uncinigers.................................................................................................................................... Sosanella View in CoL

- 12 thoracic uncinigers................................................................................................................................................. 13

13. 15 thoracic chaetigers .................................................................................................................................. Sosanopsis

- 16 thoracic chaetigers ......................................................................................................................................... Sosane View in CoL

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 View in CoL

- 14 thoracic uncinigers................................................................................................................................................. 17

17. Abdominal segments with none or few rudimentary notopodia. Anal cirri absent ...................................... Hobsonia View in CoL

- Abdominal segments with rudimentary notopodia. Anal cirri present ....................................................... Amphicteis View in CoL

18. Buccal tentacles papillose ....................................................................................................................... Paramphicteis View in CoL

- Buccal tentacles smooth ............................................................................................................................................. 19

19. Abdominal rudimentary notopodia absent; club-shaped notopodial cirri absent ...................................... Grubianella View in CoL

- Abdominal rudimentary notopodia present; club-shaped notopodial cirri present..................................................... 20

20. 2–3 anteriormost thoracic notopodia rudimentary. Pre-branchial segments not fused ventrally ................. Mexamage View in CoL

- Anteriormost thoracic notopodia not rudimentary. Pre-branchial segments fused ventrally ................... Amage View in CoL (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 View in CoL

- 15 thoracic chaetigers .................................................................................................................................... Grassleia View in CoL

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 View in CoL

- Anteriormost thoracic notopodia not rudimentary ..................................................................................................... 27

27. Branchiae foliose. 14 thoracic chaetigers ............................................................................................. Phyllampharete View in CoL

- Branchiae cirriform. 15 thoracic chaetigers................................................................................................. Amagopsis

28. 15 thoracic chaetigers ................................................................................................................................ Endecamera View in CoL

- 13–14 thoracic chaetigers ........................................................................................................................................... 29

29. Branchiae papillose ............................................................................................................................... Pterampharete View in CoL

- 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 View in CoL

- 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 View in CoL

- Branchiae arranged 2+2 or in transverse row. Branchiae of uniform size.................................................................. 34

34. Branchiae arranged 2+2. Lower lip crenulated................................................................................... Pseudampharete View in CoL

- Branchiae arranged in transverse row. Lower lip not crenulated ................................................................... Pavelius View in CoL

35. 14 thoracic chaetigers .................................................................................................................................. Asabellides

- 15 thoracic chaetigers ................................................................................................................................................. 36

36. Chaetae on segment II (paleae) present. Up to 26 abdominal segments ...................................................... Ampharete View in CoL

- Chaetae on segment II (paleae) absent. More than 30 abdominal segments .............................................................. 37

37. 3 of 4 pairs of branchiae lamellate........................................................................................................... Schistocomus View in CoL

- Each pair of branchiae smooth.................................................................................................................. Phyllocomus View in CoL

38. 13 thoracic uncinigers ................................................................................................................................................ 39

- 14 thoracic uncinigers ............................................................................................................................................... 40

39. 1 pair of branchiae papillose ................................................................................................................... Pterolysippe View in CoL

- Each pair of branchiae smooth........................................................................................................................... Lysippe View in CoL

40. 17 thoracic chaetigers ............................................................................................................................ Amphisamytha View in CoL

- 18 thoracic chaetigers ............................................................................................................................................... 41

41. 2 of 4 pairs of branchiae lamellate....................................................................................................... Phyllamphicteis View in CoL

- Each pair of branchiae cirriform ................................................................................................................................. 42

42. Notopodial cirri present .................................................................................................................................... Paiwa View in CoL

- 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 View in CoL

- Branchiae arranged 2+1+1. Chaetae on segment II (paleae) large. Anal cirri absent .................................. Hypaniola View in CoL

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 View in CoL

- First abdominal segment without fan-shaped structures............................................................................................. 49

49. 5th last thoracic unciniger with elevated notopodia connected by dorsal glandular ridge ............ Anobothrus laubieri View in CoL

- 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 View in CoL

- Branchiae and dermal ridge separated ............................................................................................... Melinnampharete View in CoL

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 View in CoL

54. 10 thoracic uncinigers................................................................................................................................... Adercodon View in CoL

- More than 10 thoracic uncinigers .............................................................................................................................. 55

55. 11 thoracic uncinigers .............................................................................................................................................. 56

- More than 11 thoracic uncinigers ............................................................................................................................... 58

56. Branchiae segmentally arranged................................................................................................................. Ampharana View in CoL

- Branchiae not segmentally arranged ......................................................................................................................... 57

57. 14 thoracic chaetigers ........................................................................................................................ Glyphanostomum View in CoL

- 15 thoracic chaetigers ................................................................................................................................ Amythasides View in CoL

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 View in CoL

- Last 5 thoracic segments not conspicuously prolonged.......................................................................... Parampharete View in CoL

61. Tentacles borne on probosciform organ............................................................................................................... Pabits View in CoL

- No probosciform organ present ................................................................................................................................ 62

62. Tentacles papillose ................................................................................................................................ Neosabellides View in CoL

- Tentacles smooth.......................................................................................................................................... Samythella View in CoL

63. 13 thoracic uncinigers..................................................................................................................................... Alkmaria View in CoL

- 14 or 15 thoracic uncinigers ....................................................................................................................................... 64

64. 15 thoracic uncinigers.................................................................................................................................... Weddellia View in CoL

- 14 thoracic uncinigers................................................................................................................................................ 65

65. Branchiae segmentally arranged.................................................................................................................... Neopaiwa View in CoL

- Branchiae not segmentally arranged.......................................................................................................................... 66

66. Abdominal rudimentary notopodia present ..................................................................................................... Samytha View in CoL

- Abdominal rudimentary notopodia absent....................................................................................................... Amythas View in CoL

67. Branchiae absent. 11 thoracic uncinigers............................................................................................................ Emaga View in CoL

- 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 View in CoL

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 View in CoL

- Prostomium anteriorly truncate ................................................................................................................. Melinnoides View in CoL

72. 10 thoracic uncinigers. 2nd last pair of notopodia elevated, connected by dorsal glandular ridge................ Zatsepinia View in CoL

- 9 thoracic uncinigers. No elevated notopodia................................................................................................. Egamella View in CoL

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