Table 4 in A new species of Tortanus (Atortus) (Copepoda, Calanoida, Tortanidae) from Minicoy Island, southeastern Arabian Sea

<p><b>Table 4.</b> Differential diagnosis of the female <i>T. minicoyensis</i> <b>sp. nov.</b> from all other species of the subgenus <i>Atortus</i> from the Indian Ocean.</p><table><tbody><tr><th><b>Species</b></th><th><b>Fifth pedigerous somite</b></th><th><b>Coupling device</b></th><th><b>Genital compound somite</b></th><th><b>Caudal rami</b></th></tr></tbody><tbody><tr><th><b><i>T. minicoyensis</i> sp. nov.</b></th><td>Asymmetrical, left margin with a notch and right margin with a single downward directed triangular lobe (Figures 2A, 2C, 2D)</td><td>Left process larger than right covering the Asymmetrical, right dorsolateral process of fifth margin with a bulge pedigerous somite and at midpoint with 2 lateral surface of genital ventrolateral spines compound somite (Figure 2D) (Figures 2C, 2D)</td><td>Asymmetrical with 2 rounded medial processes, left ramus slightly larger than the right (Figures 2C, 2D)</td></tr><tr><th><i>T. andamanensis</i></th><td>The right process produced more posteriorly than the left (Nishida et al., 2015, fig. 1A)</td><td>Right process larger, covering the dorsolateral process of the fifth pediger and right lateral surface of genital compound somite (Nishida et al., 2015, figs. 1A, 1B)</td><td>Right anterolateral margin slightly swollen (Nishida et al., 2015, fig. 1D)</td><td>Symmetrical with left ramus slightly produced medially while the right ramus concave (Nishida et al., 2015, figs. 1A, 1D)</td></tr><tr><th><i>T. magnonyx</i></th><td>Asymmetrical, with right side more swollen. (Ohtsuka and Conway, 2005, fig. 2A)</td><td>Not described</td><td>Asymmetrical, expanded anterolaterally, with a pointed process on the right ventrolateral side (Ohtsuka and Conway 2005, figs. 2A&ndash;2H)</td><td>Asymmetrical, left ramus larger and wider than right, constricted at base (Ohtsuka and Conway, 2005, figs. 2A, 2C, 2D)</td></tr><tr><th><i>T. insularis</i></th><td>Symmetrical in dorsal view (Ohstuka and Conway, Not described 2003, figs. A, F)</td><td>Asymmetrical, expanded anterolaterally on both sides with peg sensillum at tip (Ohstuka and Conway, 2003, figs. 2C&ndash;2E)</td><td>Asymmetrical, left ramus larger than right (Ohstuka and Conway, 2003, figs. 2A, 2C, 2D)</td></tr><tr><th></th><td>Nearly symmetrical, the</td><td></td><td></td><td>Asymmetrical with</td></tr><tr><th><i>T. tropicus</i></th><td>right side being produced backwards in a wing-like process</td><td>Not described (Sewell, 1932, fig. 131a)</td><td>Asymmetrical, small bulge on the left side (Sewell, 1932, fig. 131a)</td><td>distinctly stouter left ramus at its base than that of right (Sewell, 1932, fig.</td></tr><tr><th></th><td>(Sewell, 1932, fig. 131a)</td><td></td><td></td><td>131a)</td></tr><tr><th></th><td></td><td></td><td>Asymmetrical, expanded</td><td></td></tr><tr><th></th><td></td><td></td><td>anterolaterally on both</td><td></td></tr><tr><th></th><td></td><td></td><td>sides ending in small</td><td>Asymmetrical, left ramus</td></tr><tr><th><i>T. recticauda</i></th><td>Symmetrical (Bowman, 1987, fig. 1A)</td><td>Not described</td><td>papilla with apical spinule; right expansion strongly</td><td>slightly wider and longer than right (Bowman,</td></tr><tr><th></th><td></td><td></td><td>convex to straight laterally</td><td>1987, figs. 1A, 1C)</td></tr><tr><th></th><td></td><td></td><td>(Bowman, 1987, figs.</td><td></td></tr><tr><th></th><td></td><td></td><td>1A&ndash;1C)</td><td></td></tr></tbody></table>