Haploops, Liljeborg, 1856

Kaim-Malka, R. A., Bellan-Santini, D. & Dauvin, J. C., 2021, Complement to the knowledge of the Haploops species (Crustacea, Gammaridea Ampeliscidae), with the description of two new species from North Atlantic Ocean [Contribution to the knowledge of the Haploops genus. 10.], Zootaxa 5048 (2), pp. 151-175 : 173

publication ID

https://doi.org/ 10.11646/zootaxa.5048.2.1

publication LSID

lsid:zoobank.org:pub:33AC5E89-A67C-4108-9D29-538BF84D85C2

DOI

https://doi.org/10.5281/zenodo.5555324

persistent identifier

https://treatment.plazi.org/id/03918794-2C77-FF81-B6B8-3E82FA430143

treatment provided by

Plazi

scientific name

Haploops
status

 

Key to species of Haploops View in CoL

1 Corneal lenses present................................................................................. 2

- Corneal lenses absent................................................................................. 17

2 Two pairs of corneal lenses............................................................................. 3

- Only one pair of corneal lenses.......................................................................... 8

3 Pereopod 7 basis broad................................................................................. 4

- Pereopod 7 basis narrow................................................................................ 5

4 P7 carpus with anterior distal lobe; coxa1 inferior margin straight.......................... Haploops laevis Hoek, 1882 View in CoL

- P7 carpus without anterior distal lobe; coxa1 inferior margin rounded............................................................................................ Haploops quebecoisis Bellan-Santini Kaïm-Malka & Dauvin, 2018 View in CoL

5 Inferior lenses in the middle of the lobe head................................... Haploops sibirica Gurjanova, 1929 View in CoL

- Inferior lenses near or on the margin head.................................................................. 6

6 Inferior lenses near the margin head.......................................... Haploops dellavallei Chevreux, 1900 View in CoL

- Inferior lenses on the margin head........................................................................ 7

7 Inferior lenses on the margin, antennae = body length............................. Haploops nirae Kaïm-Malka, 1976 View in CoL

- Inferior lenses on the internal side of the margin, antennae = 1/2 body length........... Haploops tenuis Kanneworff, 1966 View in CoL

8 Only inferior lenses present (superior absent)............................................................... 9

- Only superior lenses present (inferior absent).............................................................. 10

9 Long setae on Md, back, telson, A1 <A 2.................................... Haploops longiseta Kaïm-Malka, 2010 View in CoL

- Few long dorsal setae, A1> A 2.............................................. Haploops proxima Chevreux, 1919 View in CoL

10 Pereopod 7 basis broad, A 2> body.............................. .. Haploops gascogni Dauvin & Bellan-Santini, 1996 View in CoL

- Pereopod 7 basis narrow............................................................................... 11

11 Head truncated straight................................................................................ 12

- Head transversely truncated............................................................................ 15

12 A1> A 2............................................................ .. Haploops antennata Kaïm-Malka, 2012 View in CoL

- A1 <A 2 ........................................................................................... 13

13 A1 length <A2 peduncle..................................................... Haploops descansa Barnard, 1961 View in CoL

- A1 length> A2 peduncle.............................................................................. 14

14 A1 length a little more A 2 peduncle; coxa 1 oval; U1 rami unequal length.......... Haploops oonah Lowry & Poore, 1985 View in CoL

- A1= 2/3 A2, A2 = body; coxa 1 triangular; outer side coxa 4 setose; U1 rami equal length.... Haploops truncata View in CoL spec. nov.

15 A 2 = 1/2 body; corneal lenses great size......................................... Haploops tubicola Liljborg, 1856 View in CoL

- A 2 = 1/3 body; corneal lenses small size.................................................................. 16

16. U1–2 strongly armed....................................................... Haploops spinosa Shoemaker 1931 View in CoL

- U1–2 weakly armed............................................. Haploops fundiensis Wildish & Dickinson, 1982 View in CoL

17 Pereopod 7 basis narrow............................................................................... 18

- Pereopod 7 basis broad................................................................................ 24

18 P7 basis, merus and carpus, rectangular and slender (male)....................... Haploops abyssorum Chevreux, 1908 View in CoL

- P7 basis, merus and carpus, not rectangular and slender...................................................... 19

19 Coxa 4 heart-shaped.................................................................................. 20

- Coxa 4 not heart-shaped............................................................................... 22

20 Dorsal side of the body carinate, coxa 2 acute................................... Haploops vallifera Stephensen,1925 View in CoL

- Dorsal side of the body not carinate...................................................................... 21

21 A1= 8–9/10 A 2, A2= 2/3 body............................................... Haploops similis Stephensen, 1925 View in CoL

- Antennae longer than the body length................... .. Haploops bjarnii Bellan-Santini Kaïm-Malka & Dauvin, 2018 View in CoL

22 A1= A 2 peduncle, coxa1 oval.................................................... Haploops lodo Barnard, 1961 View in CoL

- Antennae <1/2 body length............................................................................ 23

23 A1=A2=1/3 body............................................................. .. Haploops dauvini Peart, 2018 View in CoL

- A1=A2=1/2 body length......................................................... Haploops faroensis View in CoL spec. nov.

24 Long dorsal tuft of setae absent......................................................................... 25

- Long dorsal tuft of setae present........................................................................ 26

25 P7 basis lobe exceeding ischium distal edge; A1<A2; coxa 4 not heart-shaped................................................................................................. Haploops antarctica Bellan-Santini & Dauvin, 2008 View in CoL

- P7 basis lobe not exceeding ischium distal edge; A1=A2; coxa 4 heart-shaped............ Haploops kaimmalkai Peart, 2018 View in CoL

26 Long dorsal tuft of setae (pereon 5–7 & pleon), P7 basis lobe triangular................... Haploops setosa Boeck, 1870 View in CoL

- Long dorsal tuft of setae (pereon 5–7 & pleon), P7 basis lobe rounded............................................27

27 Urosome 1 high upturned carina.............................................. Haploops carinata Liljeborg, 1856 View in CoL

- Urosome 1 carina straight.............................................................................. 28

28 Antenna length> body length, antennae very strong...... Haploops islandica Kaïm-Malka,Bellan-Santini & Dauvin, 2016 View in CoL

- Antenna length =1/2 body length............................................... Haploops robusta G.O. Sars, 1891 View in CoL

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