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Calanoida ( Order ) |
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Clausocalanoidea ( Superfamily ) |
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Tharybidae ( Family ) |
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Undinella ( Genus ) |
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Undinella hampsoni Grice & Hulsemann, 1970 (F,M) | |
| | | | | | | Ref.: | | | Grice & Hulsemann, 1970 (p.196, figs.F,M); Bradford & al., 1983 (p.127); Andronov, 2002 (p.72, figs.F,M) |  issued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p.73, Figs.424-438]. After Grice & Hulsemann, 1970. Female (from NW Atlantic): 424, habitus (lateral); 425-427, posterior part of prosome and urosome (dorsal and lateral); 428, genital segment (ventral); 429, rostrum; 430, Mx1; 431, Mx2; 432, P1433, P5. Male: 434-435, habitus (dorsal and lateral, respectively); 436, 438, P5 (different posture); 437, P5 without left exopod and right endopod.
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 Issued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool., Harvard, 1970, 139 (4). [p.224-225, Pl. XIV, Figs. 258-272]. Female (from 39°45.2'N, 70°33.8'W): 258, habitus (lateral); 259, 2nd to 5th thoracic segments and urosome (left side); 260, 5th thoracic segment and genital segment (ventral); 261, 4th and 5th thoracic segments and urosome (right side); 262, 4th and 5th thoracic segments and urosome (dorsal); 263, forehead (lateral); 264, rostrum; 265, A1; 266, A2; 267, Md palp; 268, Md (masticatory edge); 269, Mx1; 270, Mx1 (other side; spines on 1st inner lobe omitted); 271, Mx2; 272, 4th lobe of Mx2 (other side). Nota: - Head and 1st thoracic segment partially separate, 4th and 5th partially separate. - Abdomen 4-segmented, anal segment small. - Rostrum bifurcate, each side bearing a slender filament. - Posterolateral corners of cephalothorax asymmetrical; in dorsal view, right side with fingerlike protrusion, left side more evenly rounded. - Genital segment with prominent bulge on dorsal side near posterior end. - A1 reaching to middle of abdomen, 24-segmented; aesthetascs more numerous proximally. - Exopod of A2 about twice the length of endopod. - Exopod of Md reduced; basal segment with 2 setae; gnathobase with coarse cuspidate and spiniform teeth. - Mx1 with enlarged 1st inner lobe; 2 and 4 setae on 2nd and 3rd inner lobes respectively; 4 setae on 2nd basal segment; 6 setae on endopod; 2 setae on exopod; 6 setae on 1st outer lobe. Lobes (= endites) on Mx2 arise from distal end. - Mxp with 2nd segment elongate. - Exopod of P1 2-segmented, of P2 to P4 3-segmented. Endopod of P1 1-segmented, of P2 2-segmented, of P3 and P4 3-segmented. P5 asymmetrical. Right P5 longer than left and reaching beyond genital segment; Terminal segment of right leg twice the length of the preceding segment. Distal segment of both legs each with 1 lateral and 3 terminal spines.
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 Issued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool., Harvard, 1970, 139 (4). [p.226-227, Pl. XV, Figs. 273-280]. Female: 273, Mxp; 274, P1; 275, P1 endopod (anterior view); 276, P2 ( anterior; exopod of left leg omitted, one endopod normal); 277, P3; 278, P4; 279, terminal spine of P4; 280, P5 (posterior view).
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 Issued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool., Harvard, 1970, 139 (4). [p.226-227, Pl. XV, Figs. 281-285]. Male: 281-282, habitus (dorsal and lateral, respectively); 283, P5 (from left); 284, P5 (another view); 286, right P5. Nota: - Head and 1st thoracic segment fused, 4th and 5th fused. - Abdomen 5-segmented, anal segment very small. - Right A1 22-segmented, segments 8-10, 20 and 21 fused. left A1 23-segmented, segments 8-10 fused. - Rostrum, mouth appendages, and segmentation of P1 to P4 as in female. - P5 asymmetrical, complex; Right leg uniramous, 2-segmented. left exopod 3-segmented, terminal segment with group of setae. Distal protuberance of 2nd segment provided with hair and a raised , rounded process.
| | | | | Compl. Ref.: | | | Deevey & Brooks, 1977 (p.256, tab.2, Station "S"); Bradford-Grieve, 2004 (p.285) | | | | NZ: | 2 | | |
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Distribution map of Undinella hampsoni by geographical zones
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| | | | Loc: | | | S off Woods Hole, Sargasso Sea, off Bermuda: Station ‘’ S’’ (32°10’N, 64°30’W).
Type locality: 39°45.2' N, 70°33.8' W. | | | | N: | 2 | | | | Lg.: | | | (200) F: 2,12-1,9; M: 2; 1,98; {F: 1,90-2,12; M: 1,98-2,00} | | | | Rem.: | hyperbenthic. 1000-2000 m (Deevey & Brooks, 1977, Station "S"). | | | Last update : 09/03/2015 | |
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 Any use of this site for a publication will be mentioned with the following reference :
Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2025. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed November 01, 2025] © copyright 2005-2025 Sorbonne University, CNRS
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