Stephos tropicus - Species Card - Marine Planktonic Copepods

Species Card of Copepod

Calanoida ( Order )	details
Clausocalanoidea ( Superfamily )	details
Stephidae ( Family )	details
Stephos ( Genus )	details	List species for this Genus

Stephos tropicus Mori, 1942 (F,M)

Abbreviations or symbols

Syn.:

Stephus tropicus Mori, 1942 (p.551, figs.F,M); no Stephos tropicus Greenwood, 1977 (p.58, figs.M); Bradford-Grieve, 1999 a (p.25, Table1: Rem.)

Species Stephos tropicus - Plate 1 of morphological figures

issued from : T. Mori in Palao trop. biol. Stn Stud., 1942, 2 (3). [Pl.IX, Figs. 10, 11].
Female (from Palao Island): 10, Mx1; 11, P4.
Nota: Head truncate in lateral view).
Lateral corners of the last thoracic segment rounded and symmetrical.
Urosome 4-segmented.
Genital segment nearly as long as the other 3 urosomal segments together.
Caudal rami about as long as its width.
A1 24-segmented, reaching to the end of the 2nd urosomal segment.
Exopod of A2 shorter than twice the length of the endopod.
P5 symmetrical, each leg uniramous, 3-segmented; the 3rd segment nearly 4 times as long as the 2nd; the distalportion of outside is finely serrate.

Species Stephos tropicus - Plate 2 of morphological figures

issued from : T. Mori in Palao trop. biol. Stn Stud., 1942, 2 (3). [Pl.X, Fig. 10].
Male: 10, P5 (posterior view).
Nota: Urosome 5-segmented.

Compl. Ref.:

(

List of the studied authors )

Jacoby & Greenwood, 1988 (tab.1)

NZ:

Distribution map of Stephos tropicus by geographical zones

Loc:

(

Geographical glossary )

Oropushakaru Island (Palau) in sea-water pool, Australia (Great Barrier Reef: Heron Reef)

Lg.:

(

References of the authors concerning dimensions )

(561) F: 0,82; M: 0,73; {F: 0,82; M: 0,73}

Rem.:

According to Mori (1942, p.551) this species resembles that of Stephos scotti (Sars).
After Bradford-Grieve (1999 a, p.25) this species belongs to type III (see Genus Stephos).

Last update : 14/08/2015


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