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Marine Planktonic Copepods
Labidocera stylifera  Thompson & Scott, 1903   (F,M)
Taxonomy
Order Calanoida
Superfamily Diaptomoidea
Family Pontellidae

Synonymy

Labidocera kroyeri stylifera Thompson & Scott, 1903 (p.235, 252, figs.M); Sewell, 1912 (p.354, 369); 1914 a (p.234); 1932 (p.363);
L. kroyeri var. nov. (part.): Krishnaswamy, 1953;
L. kroyeri burmanica Sewell, 1912 (p.369, figs.F,M, Rem.); 1914 a (p.234); 1932 (p.363); Silas, 1972 (p.650)

References

Silas & Pillai, 1973 (1976) (p.810, figs.F,M, Rem.)

Figures

Plate 1 Issued from : R.B.S. Sewell in Rec. Indian Mus., 1912, 7. [Pl.XXIII, Figs.4-5]. As Labidocera krøyeri var. burmanica.
Female (from Burma: 14°41,5'N, 97°53'E): 4, lateral 5th thoracic angle.

Male: left P5 (terminal segment).
Plate 2 issued from : E.G. Silas & P.P. Pillai in J. mar. biol. Ass. India, 1973 (1976), 15 (2). [p.811, Fig.18, a-j].
Female (from Indian Ocean): a, habitus (dorsal); b, rostrum (anterior view); c, urosome (dorsal); d, idem (lateral right side); e, P5; f, Md (masticatory edge).
Nota: Head with lateral hooks. Dorsal eye lenses small, arranged wide apart. Urosome 3-segmented. Anal segment very short. Genital segment asymmetrical, in dorsal view with 2 swellings on its rignt lateral margin, dorsally a single spine present towards distal 1/3 of its length, at left postero-dorsal margin 4 teeth-like spines present in two sets directed posteriad, another spine projects from the postero-dorsal margin, genital pore placed slightly to right of mid-longitudinal axis. Caudal rami symmetrical, setae concentrated at its distal margin. A1 23-segmented, reaching Th4.

Male: g, habitus (dorsal); h, urosome (dorsal); i, right A1 (geniculate part); j, P5.
Scale as in Calanopia minor.

Complementary References

Greenwood, 1982 (p.220); Achuthankutty & al., 1998 (p.1, Table 2, seasonal abundance vs monsoon); McKinnon & al., 2008 (p.844: Tab.1)

Distribution

NZ: 2

Distribution map of Labidocera stylifera by geographical zones


Additional Maps & Charts

Map 3 issued from : C.T. Achuthankutty, N. Ramaiah & G. Padmavati in Pelagic biogeography ICoPB II. Proc. 2nd Intern. Conf. Final report of SCOR/IOC working group 93, 9-14 July 1995. Workshop Report No. 142, Unesco, 1998. [p.8, Fig.6].
Salinity ranges for L. stylifera in coastal and estuarine waters of Goa (India).
Shaded area indicates the range of higher abundance.

Localisations

Indian (Goa, Ceylan, Madras, India coasts, Bay of Bengal), Laccadive Sea, Andaman Sea, Nicobar Islands, Nancowrie Harbour, Burma, Mouth of Tavoy River, Rangoon River, E & W Australia (Moreton Bay, North West Cape)

Quotations

N: 5

Dimensions (mm)

(256) F: 2,95-2,58; M: 2,61-2,27; {F: 2,58-2,95; M: 2,27-2,61}

Remarks

epipelagic. Inshore.
This species belongs to the L. kroyeri-group (Fleminger & al., 1982).
Last update : 11/04/2015

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