Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Scolecitrichidae ( Family )
            Scolecithricella ( Genus )
Scolecithricella tenuiserrata  (Giesbrecht, 1892)   (F,M)
Syn.: Scolecithrix tenuiserrata Giesbrecht, 1892 (p.266, 284, 775, figs.F,M); Giesbrecht & Schmeil, 1898 (p.43, Rem. F,M); Rose, 1924, p.5, 7, 8, 10); Bradford, 1973 (p.142); Bradford & al., 1983 (p.103); Brinton & al., 1986; Hure & Krsinic, 1998 (p.49, 101); Siokou-Frangou, 1999 (p.476);
No Amallothrix tenuiserrata (M) : Rose, 1942 (p.163, figs.M); ? Mazza, 1966 (p.71);
Amallothrix tenuiserrata : Mazzocchi & Di Capua, 2010 (p.427); in CalCOFI regional list (MDO, Nov. 2013; M. Ohman, comm. pers.))
Ref.:
Farran, 1936 a (p.97, Rem.F); Sewell, 1947 (p.142); Grice, 1962 (p.208, figs.F,M, Rem.); Tanaka, 1962 (p.48, figs.M); Vervoort, 1965 (p.83, Rem.); Owre & Foyo, 1967 (p.61, figs.F,M); Corral Estrada, 1970 (p.163, figs.F,M, Rem.); Bowman, 1971 b (p.6); Greenwood, 1977 (p.58, fig.F); Carter, 1977 (p.35); Bradford & al., 1983 (p.103); Campaner, 1984 a (p.171, figs.F,M, Rem.); Bradford-Grieve & al., 1999 (p.881, 933, figs.F,M); Vyshkvartzeva, 1999 (2000) (p.234); Vives & Shmeleva, 2007 (p.787, figs.F,M, Rem.)
Species Scolecithricella tenuiserrata - Plate 1 of morphological figuresissued from : O. Tanaka in Publ. Seto Mar. Biol. Lab., 1962, X (1). [p.49, Fig.133].
Male (from Sagami, in deep water): a, forehead (left lateral side); b, last thoracic segment and urosome (left lateral side); c, P1; d, P2; e, P3; f, P4; g, 5th pair of legs.

Nota Male:
- Posterolateral corners of the last thoracic segment rounded.
- Abdomen 5-segmented. Abdominal segments and caudal rami proportional lengths 15 : 31 : 20 : 23 : 3 : 8 = 100.
- Abdomen contained 2.65 times in the length of the cephalothorax.
- 2nd abdominal segment longer than wide, the 3rd segment wider than long, the 4th as wide as long.
- Caudal rami divergent, as wide as long.
- A1 19-segmented, extends to the distal margin of the 1st abdominal segment.
- A2 with exopod 1.4 times as long as the endopod.
- Mx1 with 7+2 setae on outer lobe.
- Mx2 has only vermiform filaments on the distal segments.
- P1 without outer edge spine on the 1st exopodal segment.
- P2 with the outer edge spine long and straight, as long as that on the exopodal 2nd segment; the middle spine on the outer margin of the 3rd segment is the longest; the terminal spine of the exopod has about 40 teeth; the outer margin of the coxa is indented; the inner margin of basis furnished with small spines on the middle.
- P5 reaches back to the distal margin of the 3rd abdominal segment. Endopod of right leg very small; exopodal distal segment transformed into a short spine. Endopod of left leg short, extending about to the distal end of the 1st segment of the exopod of the same leg; exopod 3-segmented; the 2nd segment haired on the inner distal margin; the 3rd segment short, carries a small spine on the apex.


Species Scolecithricella tenuiserrata - Plate 2 of morphological figuresissued from : A.F. Campaner in Bolm. Zool., Univ. S. Paulo, 1984, 6 . [p.172, Fig.3].
Female (from off Rio de janeiro): a, habitus (dorsal); b, idem (lateral left side); b1, genital somite (lateral, enlarged); c, Md (cutting edge); d, Md (mandibular palp); e, Mx1; f, Mx2 (1-2: types of brush-like sensory setae; 3: variety ot type 1).


Species Scolecithricella tenuiserrata - Plate 3 of morphological figuresissued from : A.F. Campaner in Bolm. Zool., Univ. S. Paulo, 1984, 6 . [p.173, Fig.4].
Female: a, Mxp; b, P1 (posterior); c, P2 (posterior); d, P3 (posterior); d1, varieties of inner seta on basiodal segment 1 and endopodal segment 1 of P3; e, P4; f, P5.


Species Scolecithricella tenuiserrata - Plate 4 of morphological figuresissued from : A.F. Campaner in Bolm. Zool., Univ. S. Paulo, 1984, 6 . [p.174, Fig.5].
Male: a, habitus (dorsal); b, idem (lateral left side); b1, A1 (armature of segments 7-8); b2, right A1 (segment 16 of another specimen; c, Mx1 (inner lobe 1 removed); c1, Mx1 (inner lobe 1); d, Mx2 (endopodite); e, P2 (exopodite, posterior); f, P3 (exopodite, posterior); g, P5.


Species Scolecithricella tenuiserrata - Plate 5 of morphological figuresissued from : J. Corral Estrada in Tesis Doct., Univ. Madrid, A-129, Sec. Biologicas, 1970. [Lam.45, figs.1-7].
Male (from Canarias Is.): 1, habitus (dorsal); 2, P1; 3, P2; 4, P3; 5, P4; 6, P5.

Female: 7, P5.


Species Scolecithricella tenuiserrata - Plate 6 of morphological figuresIssued 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.13, Fig.24]. As Scolecithrix tenuiserrata.
Female: 24, P3 (posterior view).


Species Scolecithricella tenuiserrata - Plate 7 of morphological figuresIssued 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.13, Fig.39]. As Scolecithrix tenuiserrata.
Female: P5.


Species Scolecithricella tenuiserrata - Plate 8 of morphological figuresIssued 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. 13 , Fig.16 ]. As Scolecithrix tenuiserrata.
Female: 16, P4 (basipods only, posterior view).


Species Scolecithricella tenuiserrata - Plate 9 of morphological figuresIssued 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.13, Fig.25]. As Scolecithrix tenuiserrata.
Male: P5 (posterior view).


Species Scolecithricella tenuiserrata - Plate 10 of morphological figuresIssued 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. 13 , Fig.16 ]. As Scolecithrix tenuiserrata.
Female: 16, P4 (basipods only, posterior view).


Species Scolecithricella tenuiserrata - Plate 11 of morphological figuresissued from : G.D. Grice in Fish. Bull. Fish Wildl. Serv., 1962, 61. [p.209, Pl.17, Figs.9-21].
Female (from W equatorial Pacific): 9-10, habitus (dorsal and lateral, respectively); 11, rostrum; 12, A2; 13, Md; 14, Mx1; 15, terminal part of Mx2; 16, Mxp ( setae on endopod not shown); 17, P1; 18, P2 (setae not shown); 19, P3 (setae not shown); 20, P4 (setae not shown); 21, P5.
Nota: Giesbrecht & Schmeil (1898) stated that the 2nd basal segment of Mx1 has 5 setae; the present specimens have 3 setae on this segment.


Species Scolecithricella tenuiserrata - Plate 12 of morphological figuresissued from : G.D. Grice in Fish. Bull. Fish Wildl. Serv., 1962, 61. [p.210, Pl.18, Fig.1].
Male: 1, P5.
Nota: Although Giesbrecht & Schmeil indicated that the male is questionable, they gave the length as 1.45 mm as comparated to 1.15 mm for the female. The present males (1.0-1.27 mm) are also larger than the females (1.02-1.10 mm).


Species Scolecithricella tenuiserrata - Plate 13 of morphological figuresissued from : J.G. Greenwood in Proc. R. Soc. Qd, 1977, 88. [p.56, Fig.3, j].
Female (from 27°20'S, 153°15'E): j, P5.


Species Scolecithricella tenuiserrata - Plate 14 of morphological figuresissued from : H.B. Owre & M. Foyo in Fauna Caribaea, 1967, 1, Crustacea, 1: Copepoda. [p.60, Fig.384].
Male (from Florida Current): 384, P5.
Nota: P5 long enogh to reach the distal margin of urosomal segment 3. Right endopod very small, less than one-third the length of exopod segment 1. left endopod almost the same length as exopodite 1; left exopod segment 2hirsute on the inner distal margin, and exopod segment 3 with a small spine at the apex.


Species Scolecithricella tenuiserrata - Plate 15 of morphological figuresissued from : O. Tanaka in Publ. Seto Mar. Biol. Lab., 1962, X (1). [p.49].
Male: Proportional lengths of segments of A1.

Compl. Ref.:
Sewell, 1948 (p.418, 502, 508, 521, 546); Moore, 1949 (p.50); Grice & Hulsemann, 1965 (p.224); Furuhashi, 1966 a (p.295, vertical distribution in Oyashio/Kuroshio transitional area, Table 8); Fleminger, 1967 a (tabl.1); Park, 1970 (p.476); Gamulin, 1971 (p.382, tab.3); Roe, 1972 (p.277, tabl.1, tabl.2); Binet & al., 1972 (p.53, 69); Apostolopoulou, 1972 (p.328, 351); Björnberg, 1973 (p.333, 389); Corral Estrada & Pereiro Muñoz, 1974 (tab.I); Carter, 1977 (1978) (p.35); Dessier, 1979 (p.205); Kovalev & Shmeleva, 1982 (p.84); Vives, 1982 (p.292); Dessier, 1983 (p.89, Tableau 1, Rem., %); Scotto di Carlo & al., 1984 (1044); Guangshan & Honglin, 1984 (p.118, tab.); Regner, 1985 (p.11, Rem.: p.32); Longhurst, 1985 (tab.2); Brinton & al., 1986 (p.228, Table 1); Madhupratap & Haridas, 1986 (p.105, tab.1); Rudyakov, 1986 (tab.1); Ambler & Miller, 1987 (tab.2, 3); Jimenez-Perez & Lara-Lara, 1988; Lozano Soldevilla & al., 1988 (p.59); Pancucci-Papadopoulou & al., 1990 (p.199); Suarez & al., 1990 (tab.2); Suarez, 1992 (App.1); Gopalakrishnan & Balachandran, 1992 (p.167, figs.1, 4, Table 1, 2); Shih & Young, 1995 (p.73); Gopalakrishnan & Saraledevi, 1998 (p.128, fig.3, chart); Suarez-Morales & Gasca, 1998 a (p.111); Madhupratap & al., 2001 (figs.4, 5); Uysal al., 2002 (p.18, tab.1); Vukanic, 2003 (139, tab.1); Hsiao & al., 2004 (p.326, tab.1); Dur & al., 2007 (p.197, Table IV); Morales-Ramirez & Suarez-Morales, 2008 (p.522); Schnack-Schiel & al., 2010 (p.2064, Table 2: E Atlantic subtropical/tropical); Medellin-Mora & Navas S., 2010 (p.265, Tab. 2); Hsiao S.H. & al., 2011 (p.475, Appendix I); Maiphae & Sa-ardrit, 2011 (p.641, Table 2); Lidvanov & al., 2013 (p.290, Table 2, % composition); Bonecker & a., 2014 (p.445, Table II: frequency, horizontal & vertical distributions) ; Benedetti & al., 2016 (p.159, Table I, fig.1, functional characters); Benedetti & al., 2018 (p.1, Fig.2: ecological functional group)
NZ: 16

Distribution map of Scolecithricella tenuiserrata by geographical zones
Species Scolecithricella tenuiserrata - Distribution map 3issued from : Gopalakrishnan & Saraledevi in Pelagic Biogeography ICoPB II. Proceedings of the 2nd International Conference. Final report of SCOR/IOC working group 93. Noordwijkerhout, The Netherlands 9-14 July 1995. Workshop Report No.142. UNESCO, 1998. [p.130, Fig.3].
Distribution and abundance in number of specimens/standard haul of Scolecithricella tenuiserrata in the Indian Ocean.
Loc:
South Africa (E), Congo, G. of Guinea, Ivorian coast, Canary Is., Morocco-Mauritania, NE Atlant. (? 30-60°N), S Brazil, off Rio de Janeiro, off Amazon, Barbados Is., Caribbean Sea, Caribbean Colombia, G. of Mexico, Florida, Bermuda, Medit. (W Basin, Ligurian Sea, Napoli, Monaco, Adriatic Sea, Aegean Sea, Lebanon Basin), Arabian Sea, Natal, Indian, China Seas (East China Sea, South China Sea), Taiwan (SW & E), Japan, Pacif. (W equatorial), Australia (Great Barrier, Moreton Bay), Pacif. (equatorial), off NE Hawaii, E Pacif., California, Gulf of California, G. of Tehuantepec, off W Guatemala, W Costa Rica, off Chile (38°S)
N: 61
Lg.:
(16) F: 1,214-1,039; (34) F: 1,12-1; (47) F: 1,15; M: 1,45; (101) F: 1,1-1,02; M: 1,27-1; (117) M: 1,3; (180) F: 1,15; 1,11; M: 1,25; (199) F: 1,22-1,06; M: 1,37-1,29; (532) F: 1,15-1; M: 1,33-1,19; (920) F: 1,13; {F: 1,00-1,22; M: 1,00-1,45}
Rem.: epiplanktonic - ?.
For Vervoort (1965, p.84), males, in the structure of P5 as well as in other details quite different from the above mentioned male specimens, have been described by Rose (1942, p.163) and referred to Amallothrix tenuiserrata (Giesbrecht, 1892), Rose's males record are very doubtful, the more so since the female S. tenuiserrata seems to have been absent from his collection.
After Benedetti & al. (2018, p.1, Fig.2) this species belonging to the functional group 5 corresponding to small sac-spawning detritivorous.
Last update : 01/05/2019
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