Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Comantenna ( Genus )
Comantenna recurvata  Grice & Hülsemann, 1970   (F)
Grice & Hülsemann, 1970 (p.188, Descr.F, figs.F); Bradford & Jillett, 1980 (p.29, Rem.); Alvarez, 1986 (p.862, figs.F, Rem.); Markhaseva, 1996 (p.140, figs.F); Schulz, 2002 (p.106, Rem.); Markhaseva & al., 2017 a (p.30: Rem., p.29: Table 1)
Species Comantenna recurvata - Plate 1 of morphological figuresissued from : M.P.J. Alvarez in J. Crustacean Biol., 1986, 614. [p.863, Figs.12-17].
Female (from 25°28'S, 44°57'W): 12-13, habitus (dorsal and lateral, respectively); 14, urosome (dorsal); 15, genital complex (ventral); 16, A1; 17, A2.

Nota: A1 23-segmented, 2nd segment with long aesthetasc. A2 exopod shorter than endopod with 3 terminal setae, 1 shorter than others.

Species Comantenna recurvata - Plate 2 of morphological figuresissued from : M.P.J. Alvarez in J. Crustacean Biol., 1986, 614. [p.864, Figs.18-24].
Female: 18, Md (masticatory edge); 19, Md (mandibular palp); 20, Mx1; 21, Mx2; 22, 5th lobe of Mx2; 23, Mxp; 24, P1.

Nota: Mx1 with 3 setae on each 2nd and 3rd inner lobes. Mx2 with 1 very thick spine on 5th lobe, this spine with row of about 36 very thin, long, narrowly spaced setules, followed by very short setules. On each of 2 long setae of 4th lobe comblike row of similar setules, in greater number than those of spine of 5th lobe; on lobes 1-4 tuft of spinules ventrally. 1st basipod of Mxp with 9 setae and 1 truncate aesthetasc.

Species Comantenna recurvata - Plate 3 of morphological figuresissued from : M.P.J. Alvarez in J. Crustacean Biol., 1986, 614. [p.873, Figs.67-70].
Female: 67, A2; 68, 5th lobe of Mx2; 69, Mx2; 70, Mxp.

Species Comantenna recurvata - Plate 4 of morphological figuresissued from : M.P.J. Alvarez in J. Crustacean Biol., 1986, 614. [p.873, Figs.62-66]. After Grice & Hulsemann (1970).
Female: 62, A2; 63, 5th lobe of Mx2; 64, Mx2; 65, Mxp; 66, P5.

Species Comantenna recurvata - Plate 5 of morphological figuresissued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.142, Fig.109].
Female (from Grice & Hulsemann, 1970).

Nota: Cephalothorax about 3.7 times longer than urosome. A1 23-segmented, reaching thoeracic segment 3..Exopodal esgments 1-3 of A2 separated (Grice & Hulsemann, 1970) (after Alverez, 1986, fused, fused)

Species Comantenna recurvata - Plate 6 of morphological figuresComantenna recurvata female:
1 - Endopod of P1 external lobe absent (very reduced). Basipodite without seta near endopod base.
2 - Posterior corner of right thoracic segment shorter than left (dorsal view). Protopodite of Mxp with 2 setae in distal group; endopodal segment 1 with 2 medial setae. Endopodal segment 2 of Md with 5 setae.

Species Comantenna recurvata - Plate 7 of morphological figuresIssued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool. Harvard., 1970, 139 (4). [p.198-199, Pl. I, Figs.20-24].
Female (from 39°45.2'N, 70°33.8'W): 20-21, habitus (dorsal and lateral, respectively); 22, A2; 23, Md palp: 24, Md (masticatory edge).

Nota: - head and 1st thoracic segment fused, 4th and 5th thoracic segments separate.
- Abdomen 4-segmented, anal segment small.
- Rostrum absent.
- Posterolateral corners of cephalothorax pointed and curved upward.
- A1 reaching to 3rd thoracic segment.
- A2 exopod 3/4 the length of endopod. Distal segment of exopod with 2 long and 1 short plumose setae.
- Endopod of Md very small, exopod robust. Md blade with strong teeth and scattered spines.

Species Comantenna recurvata - Plate 8 of morphological figuresIssued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool. Harvard., 1970, 139 (4). [p.200-201, Pl. II, Figs.25-35].
Female: 25, A1; 26, Mx1; 27, Mx1 (3rd inner lobe); 28, Mx2; 29, Mx2 ( distal lobe, other side); 30, Mxp; 31, P1; 32, P2; 33, P3; 34, P4; 35, P5.

Nota: A1 23-segmented, with numerous, highly plumose setae throughout their length and 1 sensory seta on the 2nd segment.
- Mx1 with 14 spines on 1st inner lobe, 4 spines on 2nd inner lobe, 3 setae on 3rd inner lobe, 4 setae on 2nd basal segment (= basis), 11 setae on endopod, and 11 setae on exopod.
- Mx2 with 5 lobes.
- Mxp with elongate, club-shaped sensory structure arising from distal end of 1st basal (= coxa) segment.
- Exopods of swimming legs 3-segmented, endopod of P1 1-segmented, of P2 2-segmented, of P3 and P4 3-segmented.
- Rudimentary P5 present on 2 of 4 specimens.

Species Comantenna recurvata - Plate 9 of morphological figuresIssued from : V.N. Andronov in Russian Acad. Sci. P.P. Shirshov Inst. Oceanol. Atlantic Branch, Kaliningrad, 2014. [p.84, Fig.21: 7]. Comantenna recurvata after Grice & Hulsemann, 1970.
Female P5.

Species Comantenna recurvata - Plate 10 of morphological figuresIssued from : E.L. Markhaseva, J.M. Bradford-Grieve & J. Renz in Arthropodia Selecta, 2017, 26 (1). [p.29, Table 1].
Selected characters in female.
Compare with other species in Comantenna

Compl. Ref.:
Markhaseva, 1998 (p.250, Fig.3); Bradford-Grieve, 2004 (p.284)
NZ: 2

Distribution map of Comantenna recurvata by geographical zones
off Woods Hole, Brazil (off Sao Paulo).
Type locality: 39°45'N, 70°34'W.
N: 2
(200) F: 4-3,72; (234) F: 3,5; {F: 3,50-4,00}
Rem.: hyperbenthic (± 1800 m).
For Alvarez (1986, p.862) the synonymy with Comantenna crassa cannot be retained on the contrary to Bradford & Jillett (1980). The two species are similar, differing only in the number of setae on the following appendages: A2 endopod, Md palp, Mx1, and 1st and 2nd basipods of Mxp.
Compare the selected characters of the different species in Comantenna females in Markhaseva & al. (2017 a,, Table 1, p.29).
Last update : 21/12/2017
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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 February 24, 2021]

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