Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Tharybidae ( Family )
            Undinella ( Genus )
Undinella stirni  Grice, 1971   (F,M)
Ref.:
Grice, 1971 b (1972) (p.88, figs.F,M); Bradford & al., 1983 (p.127); Andronov, 2002 (p.75, figs.F); Vives & Shmeleva, 2007 (p.866, figs.F,M, Rem.)
Species Undinella stirni - Plate 1 of morphological figuresissued from : G.D. Grice in Vie Milieu, 1971, 22 (1, ser.A). [p.89, Fig.1-8].
Female: 1, habitus (lateral right side); 2, 4th+5th thoracic segments and urosome (dorsal); 3, genital segment (ventral); 4, forehead (ventral view); 5, right A1 (some setae omitted); 6, A2; 7, Md (mandibular palp); 8, Md (bitting edge).

Nota: Head and 1st thoracic segment separate, 4th and 5th fused. Rostrum strong and bearing 2 short filaments. A1 with 24 free-segments, reaches to middle of genital segment. Genital segment (dorsal view) asymmetrical (only left seminal receptacle present).


Species Undinella stirni - Plate 2 of morphological figuresissued from : G.D. Grice in Vie Milieu, 1971, 22 (1, ser.A). [p.90, Fig.9-16].
Female: 9, Mx1; 10, Mx2; 11, Mxp; 12, P1; 13, P2; 14, P3; 15, P4 (2nd and 3rd exopodal segments missing); 16, P5.


Species Undinella stirni - Plate 3 of morphological figuresissued from : G.D. Grice in Vie Milieu, 1971, 22 (1, ser.A). [p.91, Fig.17-21].
Male: 17, habitus (lateral right side); 18, forehead (ventral view); 19, right A1 (some setae omitted); 20, left A1 (some setae omitted); 21, P5.

Nota: Head and 1st thoracic segment fused, 4th and 5th fused. Except A1 and P5, other cephalosome appendages and swimming feet similar to female appendages.


Species Undinella stirni - Plate 4 of morphological figuresissued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p.78, Figs.482-492].
Female (from SE Atlantic): 482-483, habitus (dorsal and lateral, respectively); 484, rostrum; 485, genital segment (ventral); 486, Md (cutting edge); 487, P1; 488, P5.

Male: 489-490, habitus (dorsal and lateral, respectively); 491, rostrum; 492, P5;

Compl. Ref.:
Deevey & Brooks, 1977 (p.256, tab.2, Station "S"); Kovalev & Shmeleva, 1982 (p.83); Scotto di Carlo & al., 1984 (1044); Scotto di Carlo & al., 1991 (p.271); Mazzocchi & Di Capua, 2010 (p.428); Belmonte, 2018 (p.273, Table I: Italian zones)
NZ: 4

Distribution map of Undinella stirni by geographical zones
Species Undinella stirni - Distribution map 3
Chart of 1996
Loc:
Medit. (Alboran Sea, Baleares, Liguruian Sea, Tyrrhenian Sea, off G. of Sidra, Lebanon Basin), W Gibraltar, off Bermuda (in Deevey & Brooks, 1977, Station ‘’ S’’: 32°10’N, 64°30’W), Angola-Namibia, South Africa (Walvis Ridge)
N: 7
Lg.:
(797) F: 1-0,9; M: 0,76; (881) F: 0,9-1,2; M: 0,76-0,87; {F: 0,90-1,20; M: 0,76-0,87}
Rem.: Bathypelagic-bathyal. Sargasso Sea: 1000-1500 m (Deevey & Brooks, 1977, Station "S");
It is possible that this form could have migrated from the Mediterranean into the Atlantic Ocean (32°N, 64°W).
Last update : 06/02/2020
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2021. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed October 24, 2021]

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