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Marine Planktonic Copepods
Pontella lobiancoi  Canu, 1888   (F,M)
Taxonomy
Order Calanoida
Superfamily Diaptomoidea
Family Pontellidae

Synonymy

Pontellina lobiancoi Canu, 1888 a (p.101, figs.F,M;

References

Giesbrecht, 1892 (p.461, 478, figs.F,M); Giesbrecht & Schmeil, 1898 (p.143); Pesta, 1920 (p.542); Sars, 1925 (p.353); Wilson, 1932 a (p.154, figs.M,F); Rose, 1933 a (p.259, figs.F,M); Massuti Alzamora, 1942 (p.97, figs. F,M); Wilson, 1942 a (p.203, fig.F); C.B. Wilson, 1950 (p.294, figs.F,M); Marques, 1951 a (p.22, fig.F, Rem.); 1957 (p.37); Vervoort, 1965 (p.186, Rem.); Ianora & al., 1992 (p.401, fig.); Bradford-Grieve & al., 1999 (p.885, 959, figs.F,M); Avancini & al., 2006 (Pl. 73, figs.F,M); Vives & Shmeleva, 2007 (p.513, figs.F,M, Rem.)

Figures

Plate 1 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.40, Fig.30].
Female: 30, forehead (lateral). R = rostrum.
Plate 2 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.40, Fig.9].
Female: 9, urosome (ventral).
Plate 3 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.24, Fig.44].
Female: 44, P5 (posterior view).
Plate 4 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.24, Fig.19].
Female: 19, Md (masticatory edge, posterior view). dors. = dorsal.
Plate 5 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.40, Fig.10].
Male: 10, habitus (dorsal).
Plate 6 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.40, Fig.31].
Male: 31, forehead (lateral).
Plate 7 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.40, Fig.28].
28, Th5 and urosome (dorsal).
Plate 8 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.24, Fig.4].
Male: 4, right A1 (dorsal view).
Plate 9 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.24, Fig.42].
Male: 42, P5 (anterior surface).
Plate 10 Issued from : W. Giesbrecht in Systematik und Faunistik der Pelagischen Copepoden des Golfes von Neapel und der angrenzenden Meeres-Abschnitte. – Fauna Flora Golf. Neapel, 1892. Atlas von 54 Tafeln. [Taf.42, Fig.31].
Female: 31, habitus (dorsal).
Plate 11 issued from : A. Ianora, A. Miralto & S. Vanucci in Mar Biol., 1992, 113. [p.403, Fig.2, E]. SEM micrographs.
Female & Male: E, surface attachment structure (mass of fine setules arranged in rhree semicircles on a flattened area of the anterodorsal surface of the cephalosome).
For the interpretation of this structure: see in Anomalocera patersoni.
Plate 12 issued from : A. Ianora, A. Miralto & S. Vanucci in Mar Biol., 1992, 113. [p.402, Fig.1, F]. SEM micrographs.
Female & Male: F, a peg-pit sensillum in the vicinity of the surface attachment structure (SAS).
SAS : mass of fine setules arranged in several semicircles on a flattened area of the anterodorsal surface of the cephalosome.
Plate 13 Issued from : J.M. Bradford-Grieve, E.L. Markhaseva, C.E.F. Rocha & B. Abiahy in South Atlantic Zooplankton, edit. D. Boltovskoy. 1999, Vol. 2, Copepoda; [p.1071, Fig. 7.394: Pontella lobiancoi]. Ur = urosome; B = basis; r = right leg; l = left leg.
Female characters (from key, p.959):
- Urosome of 3 somites.
- Endopod of P5 bifurcate distally.
- P5 endopod inner distal spine smaller than outer spine; genital segment with small left ventral process which is not visible dorsally.

Male characters (from key, p.960):
- Chelate right P5 exopodal segment1-2 with l large projection in form of broad rounded lobe besides 'thumb'; exopodal segment 3 not proximally expanded. 3 not proximally expanded.
-

Complementary References

Gadeau de Kerville, 1894 (p.81); Rose, 1925 (p.152); Sewell, 1948 (p.392, 465); Demir, 1959 (p.176); Mazza, 1966 (p.72); Specchi, 1968 (p.491); Dowidar & El-Maghraby, 1970 (p.269); Razouls, 1972 (p.95, Annexe: p.91); Apostolopoulou, 1972 (p.328, 368); Champalbert & Kerambrun, 1978 (p.215, weight-CHN); Kovalev & Shmeleva, 1982 (p.85); Vives, 1982 (p.295); Regner, 1985 (p.11, Rem.: p.38); Hure & Krsinic, 1998 (p.103); Suarez-Morales & Gasca, 1998 a (p.110); Holmes, 2001 (p.31); Vukanic, 2003 (p.139, tab.1); Khelifi-Touhami & al., 2007 (p.327, Table 1); Brylinski, 2009 (p.253: Tab.1, p.256: Rem.); Mazzocchi & Di Capua, 2010 (p.427); El Arraj & al., 2017 (p.272, table 2); Belmonte, 2018 (p.273, Table I: Italian zones)

Distribution

NZ: 4 + 6 doubtful

Distribution map of Pontella lobiancoi by geographical zones


Localisations

off Ghana, ? Guinea-Bissau, off Madeira, offMoroccan Atlantic Coast, ? Pataggonia, ? Caribbean, ? G. of Mexico, ? NE Cape Cod, Ireland, English Channel (Granville), Medit. (Alboran Sea, Algiers, Gulf of Annaba, Banyuls, G. of Lion, Marseille, Ligurian Sea, Tyrrhenian Sea, Adriatic Sea, Aegean, Dardanelles, Marmara Sea, Alexandria), ? Cook Is., ? Central America, ? Japan.

Type locality: Wimereux, Pas de Calais

Quotations

N: 34

Dimensions (mm)

(46) F: 4,2-3,95; M: 3,75-3,33; (449) F: 4,2-3,95; M: 3,75-3,3; (477) F: 7-6; M: 7-6; {F: 3,95-7; M: 3,30-6}

Remarks

epipelagic.
According to Fleminger (1957, p.25) the similarity between this species and P. polydactyla compels reconsiderartion of the former's records from the Gulf of mexico and the western Atlantic reported by C.B. Wilson (1932, 1942, 1950) and by King (1950).
Vervoort (1965) puts doubts on certain of the locality records (noted by ?).
The dimensions given by Marques (1951, 1957) F: 2,87 & 1,86-1,64 are very inferior to the types.
Accordung to Brylinski (2009, p.256) the neustonic behaviour and patchy distribution (swarms) could explain why it is rarely observed in our net samples.
Last update : 24/10/2022

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