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Calanoida ( Order ) |
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Diaptomoidea ( Superfamily ) |
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Tortanidae ( Family ) |
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Tortanus ( Genus ) |
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Atortus ( Sub-Genus ) |
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Tortanus (Atortus) tropicus Sewell, 1932 (F,M) | |
| | | | | | | Ref.: | | | Sewell, 1932 (p.400, figs.F,M); 1948 (p.324); Bowman, 1971 a (p.527); Silas, 1972 (p.650); Francis & Bijoy Nandan, 2019 (p.433, Table 4, 5). |  Issued from : R.B.S. Sewell in Mem. Indian Mus., 1932, X (continued). [p.402, fig.131]. Female (from Nicobar Is.): a, habitus (dorsal); b, Md; c, Mx1; d, Mxp; e, P5. Male: f, grasping A1; g, P5.
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 Issued from : S.V. Francis & S. Bijoy Nandan in Turkish J. Zool., 2019, 43. [p.434, Table 4]. Differential diagnosis of T. tropicus female. Compare with other species of the subgenus Atortus species from the Indian Ocean. Morphological characters female: - Genital compound somite with a small bulge on the left side. Caudal rami asymmetrical with left ramus stouter and right ramus slightly curved. P5 with spine at distal end.
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 Issued from : S.V. Francis & S. Bijoy Nandan in Turkish J. Zool., 2019, 43. [p.435, Table 5]. Differential diagnosis of T. tropicus male. Compare with other species of the subgenus Atortus species from the Indian Ocean. Morphological characters female: - Right P5 basis bearing small rounded process.
| | | | | Compl. Ref.: | | | Othman, 1987 (p.72); Ohtsuka, 1992 a (p.265); Nishida & Cho, 2005 (p.232, Fig.4: chart); Maiphae & Sa-ardrit, 2011 (p.641, Table 2, 3, Rem.) | | | | NZ: | 1 | | |
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Distribution map of Tortanus (Atortus) tropicus by geographical zones
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| | | | | | | Loc: | | | NE Indian (Octavia Bay, Nankauri Harbour), Andaman Sea | | | | N: | 2 | | | | Lg.: | | | (44) F: 2,71; M: 2,289; {F: 2,71; M: 2,29} | | | | Rem.: | in surface tow-net.
For Nishida & Cho (2005, p.229) this species belongs in the subgenus Atortus to the ''species complex tropicus''. | | | Last update : 11/02/2020 | |
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 Any use of this site for a publication will be mentioned with the following reference :
Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2025. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed April 01, 2025] © copyright 2005-2025 Sorbonne University, CNRS
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