Eurythenes magellanicus (H. Milne Edwards, 1848 )

D’Acoz, Cédric D’Udekem & Havermans, Charlotte, 2015, Contribution to the systematics of the genus Eurythenes S. I. Smith in Scudder, 1882 (Crustacea: Amphipoda: Lysianassoidea: Eurytheneidae), Zootaxa 3971 (1), pp. 1-80 : 41-42

Eurythenes magellanicus (H. Milne Edwards, 1848)

( Figs 27–32 )

Lysianassa magellanica H. Milne Edwards 1848: 398 .— Lucas, 1857: 13, pl. 1 fig. 3.— Spence Bate, 1862: 66, pl. 10 fig. 5. Eurythenes magellanicus .— Stebbing, 1906: 73 (in part).— K.H. Barnard, 1932: 59.

Eurythenes gryllus .— Stoddart & Lowry, 2004: 429 , in part, figs. 4–7.—? Senna, 2009: 83, in part, figs. 1–2. Eurythenes gryllus clades Eg4 and Eg5.— Havermans et al., 2013: 12 –13.

Not Eurytenes magellanicus .— Lilljeborg 1865a: 11, pls. 1–3.—1865 b: 6 (= E. gryllus Lichtenstein in Mandt, 1822).

Material examined. Clade Eg4 of Havermans et al. (2013). RV Meteor, expedition DIVA 3, ME 79-1, Brazil Basin, sta. 542, 26°33'13"S 35°11'17"W, 4480 m, baited trap, 21.vii.2009: 1 specimen, fixed first 96% denatured ethanol, coll. Ed Hendrycks, DZMB-HH 7989, ZMH K 44264 ; BraB-4, Euryt 77412506 (= EG-2807114), JX887145 ( COI), JX887097 (28S), JX887073 (16S).—Same station: 1 specimen, DZMB-HH 7983, ZMH K 44265 ; BraB-5, Euryt 77412578 (= EG-2807117), JX887145 ( COI), JX887099 (28S), JX887074 (16S).—Same station: 1 specimen, DZMB-HH 7976, ZMH K 44266 ; BraB-6, Euryt 77412562 (= EG-2807116), JX887145 ( COI), JX887098 (28S), JX887073 (16S).—Same station: 1 specimen, DZMB-HH 7992, ZMH K 44267 ; BraB-7, Euryt 77412564 (= EG-2807112), JX887146 ( COI), JX887073 (16S).

Clade Eg5 of Havermans et al. (2013). Same station as for clade Eg4: 1 female, DZMB-HH 7985, ZMH K 44268 ; BraB-2, Euryt 77412554 (= EG-2807113), JX887144 ( COI), JX887102 (28S), JX887072 (16S).—Same station: 1 female, DZMB-HH 7980, ZMH K 44269 ; BraB-3, Euryt 77412514 (= EG-2807115), JX887143 ( COI), JX887100 (28S), JX887071 (16S).—Same station: 1 female fully dissected and illustrated, DZMB-HH 7994, ZMH K 44270 ; BraB-1, Euryt 77412540 (= EG-2807111), JX887144 ( COI), JX887101 (28S), JX88707 (16S).

Specimens not sequenced, or without success. Same station as for clades Eg4 and Eg5: 8 specimens, DZMB- HH 8047, CMNC 2014-0098.—Same station: 7 specimens, DZMB-HH 8047, RBINS, INV. 132167.—Same station: 7 specimens, DZMB-HH 8047, ZMH K 44279 .—Same station: 8 specimens, each in a different vial, DZMB-HH 7975, ZMH K 44271 ; DZMB-HH 7977, ZMH K 44272 ; DZMB-HH 7978, ZMH K 44273 ; DZMB- HH 7979, ZMH K 44274 ; DZMB-HH 7982, ZMH K 44275 ; DZMB-HH 7986, ZMH K 44276 ; DZMB-HH 7987, ZMH K 44277 ; DZMB-HH 7990, ZMH K 44278 .

Voucher DNA sequences.

Clade Eg4, Brazil Basin, Euryt 77412506.

COI (GenBANK JX887145 ):

AACCTTATATTTCGTCTTAGGCGCCTGAGCTAGGGTTGTTGGTACATCTCTTAGTGTAATTATTCGATCT GAACTCAGTAGACCGGGAAACCTAATTGGAGATGATCAAATCTATAATGTAATAGTAACTGCCCACGC CTTTGTCATAATCTTCTTTATAGTTATACCTATCATAATCGGTGGTTTTGGAAATTGACTTGTACCTCTTA TGCTCGGAAGCCCCGACATAGCTTTCCCGCGCATAAATAATATAAGATTCTGACTCCTGCCCCCCTCAC TAACTTTATTATTAATAAGAGGTCTAGTAGAAAGGGGCGTAGGAACTGGTTGAACAGTCTATCCACCCT TGGCCGCAGCCGCGGCCCACAGCGGAGGGTCTGTTGACCTGGCTATCTTCTCTCTGCACCTAGCAGGT GCTTCCTCCATCTTAGGTGCTATTAATTTTATCTCCACTGTAATCAACATACGAACCCCCGGTATATATAT AGACCGAGTCCCTTTATTTGTCTGGTCTGTCTTCATCACAGCCATTCTACTCCTCTTATCTCTACCCGTA CTGGCAGGTGCAATCACCATACTCCTGACAGACCGAAATCTGAATACTTCCTTCTTTGACCCTAGCGG TGGAGGTGACCCTATCCTCTACCAACATCTATTC

28S (GenBANK JX887097 ):

GGCCTGCGGCGGAATGTTGCGTTAAGGGAAAGGTCGTAGTCAAACCCTACAACCACACGAACTCTAA GTCTGCCACGAATAGGCTATCCCAACTAACGGCGGGAGTGACTCCACGGAGGGTGTAAGACCCGTGT GGGCGTGTGTCAATGTTGTATGGGCTCGGCCTCTTCCCTGAGAGTCGCGTTGCTTGAGCATGCAGCGC TAAGCAGGTCGTAAACTCGATCTAAGGCTAAATATTTCCACAGGACCGATAGCAAACAAGTACCGTGA GGGAAAGTTGAAAAGCACTCTGAAGAGAGAGTCAAAAGACCGTGAAACCGCTCAGAGTATAAGCCC ATGGAGCTTGGAAGGCTTCCGCAGCGGCGTGCATCCCTTGTGGGTGTACGTGAGGACATTGTGAAAG GTTCGCTAGGCAGGGGGCATTGAGTTTGCTCCCCACCGCCGTGCTGGTGAATTGCCTGGGAGGAGTC GTGCCTCGGTGCGGCTCTCTTTTGGGTCGTTCTCATGTGTATGAACGTTCAAGGACAATGACCTAATGC GGTACGCCCACCACAGTTTGTTGTGAGGTCACCCACAGGCTCAAACTGTCGATCGTGTGTTCAGTGC GTGGCCTGAATTGTGTGCCGTTCGTAATATAGTGCCACCGTTATCTGTGTGGCGCTCCGGCATGCAGTC GCGCGCTGGACCAGGCGACGAAACGAGTATATCCTGGTATGATCCTCGTGCGACAATCTGATTCTGAC CGAGTGTACATCGCTACCGTTTGGCTCTGCCCATGTGTCGGGCGGAGTCAGGAGGTGCAACCTGATTG TCTGGTCCTCTGAACGATGTAACAGTCGATAAGATCTCAGTCGAGGTAGCGAACGACTCGCGTGGTGT TAAGTCCAGCACCATCGGTCACGTCTCGAAACACGGGCCAAGGAGTATAGCATGTGTGCAAGTCTAA GGGTCTCACAAAACCCGCAGGCGAAGTGAAAGCAAATGGTGTGGCGGGAGCGCTACGGCAATCTCG TCAGCCTTGTGGTGGTCAAAAACTACTCGGCTTAAACCGAGCTGATCCTGTTCTGTTGGCAATGTCTC AAGGCAGGCGCAAGCTCCGGGCTCACATACCAACACTGGCATCCTCACGGGTGCTGTGTTGTGAGCA CCGTGGAGCATGCATGCTATAACCCGAAAGATAGTGAACTATGCC

16S (GenBANK JX887073 ):

TGCTATAGGGGTAGCGTATGGTAAGGCCTGCCCAGTGATTTATTAAACGGCTGCGGTATATTGACCGTG CTAAGGTAGCATAGTCATTTGTCTTTTAATTGGAGGCTGGAATGAAGGGTTTAACAAAAGATAGTGTCT TTATTTTAAATTTGTAATTTATAGTAAGAGTAAAAATACTCTGGTGTGATTAAGGGACGACAAGACCCT AAAAGCTTTATTTTTAGTATTAGTTTGAGTTTAAAATAAAATAGAGAGTTTAACTGGGGTAGTTTTTTTG TAAAATCTGAGGTTGTAGAAGGCATGTAAAGTGGGGTTAGGTCCTTTAGATAAGGATAATTTGAGTGA GTTACTTTAGGGATAACAGCGTAATAGTCCTAGGGAGATCGTATCTATGGGGCTGATTGCGACCTCGAT GTTGAATTAAAAGCTCAGTGTAGAGCAGAAGCTACAGGGTGAGGGTTTGTTCAACCTTTAAATTTTTA

Figures

FIGURE 27. Eurythenes magellanicus (H. Milne Edwards, 1848), presumably female, 43 mm, RV Meteor, expedition DIVA 3, ME 79 - 1, sta. 542, 26 ° 33 ' 13 " S 035 ° 11 ' 17 " W, 4480 m, ZMH K 44270. A, head; B, upper lip; C, lower lip (half of); D, left Md; E, right Md; F, left Mx 1, G, left Mx 2.

FIGURE 28. Eurythenes magellanicus (H. Milne Edwards, 1848), presumably female, 43 mm, RV Meteor, expedition DIVA 3, ME 79 - 1, sta. 542, 26 ° 33 ' 13 " S 035 ° 11 ' 17 " W, 4480 m, ZMH K 44270. A, Mxp; B, inner plates of Mxp (setae not shown).

FIGURE 29. Eurythenes magellanicus (H. Milne Edwards, 1848), presumably females, 43 mm, RV Meteor, expedition DIVA 3, ME 79 - 1, sta. 542, 26 ° 33 ' 13 " S 035 ° 11 ' 17 " W, 4480 m. A, C – F, ZMH K 44270; B, DZMB-HH 7985, ZMH K 44268. A, left Gn 1; B, chela of left Gn 1; C, left Gn 2; D, propodus and dactylus of left Gn 2; E, chela of left Gn 2 (lateral view); F, chela of left Gn 2 (medial view).

FIGURE 30. Eurythenes magellanicus (H. Milne Edwards, 1848), presumably female, 43 mm, RV Meteor, expedition DIVA 3, ME 79 - 1, sta. 542, 26 ° 33 ' 13 " S 035 ° 11 ' 17 " W, 4480 m, ZMH K 44270. A, left P 3; B, propodus and dactylus of left P 3; C, left P 4; D, telson.

FIGURE 31. Eurythenes magellanicus (H. Milne Edwards, 1848), presumably female, 43 mm, RV Meteor, expedition DIVA 3, ME 79 - 1, sta. 542, 26 ° 33 ' 13 " S 035 ° 11 ' 17 " W, 4480 m, ZMH K 44270. A, left P 5; B, left P 6; C, left P 7; D, propodus and dactylus of left P 7.

FIGURE 32. Eurythenes magellanicus (H. Milne Edwards, 1848), presumably female, 43 mm, RV Meteor, expedition DIVA 3, ME 79 - 1, sta. 542, 26 ° 33 ' 13 " S 035 ° 11 ' 17 " W, 4480 m. A – E, G – H, ZMH K 44270; F, ZMH K 44268. A, pleon and last pereonite; B, left Ep 1; C, left Ep 2; D, left Ep 3; E, left U 1; F, right U 2; G, left U 3; H, ventral face of peduncle of left U 3.