Dactylopleustes obsolescens Hirayama, 1988

FIGURE 1. Species of Dactylopleustes Karaman & Barnard, 1979, lateral view:a—D. longoantennis sp. nov., b—D. tzvetkovae sp. nov., c—D. yoshimurai Tomikawa, Hendrycks & Mawatari, 2004 (from Tomikawa et al. 2004: fig. 1), d—D. obsolescens Hirayama, 1988 (from Hirayama 1988: fig. 269), e—D. awatschensis sp. nov., f—D. okhotensis sp. nov., g—D. echinoides Bousfield & Hendrycks, 1995 (from Bousfield & Hendrycks 1995: fig. 40), h—D. ornatus sp. nov.

FIGURE 2. Dactylopleustes spp.: antenna 1—a–i; antenna 2—j–r: a, j—D. longoantennis sp. nov., b, k—D. tzvetkovae sp. nov., c, l—D. yoshimurai (from Tomikawa et al. 2004: fig. 1), d, m—D. echinoicus (from Tzvetkova 1975), e, n—D. obsolescens (from Hirayama 1988: fig. 270), f, o—D. awatschensis sp. nov., g, p—D. okhotensis sp. nov., h, q—D. echinoides (from Bousfield & Hendrycks 1995: fig. 40), i, r—D. ornatus sp. nov.

FIGURE 3. Dactylopleustes spp.: mandible—a–k; maxilla 1—l–t: a, b, l—D. longoantennis sp. nov., c, m—D. tzvetkovae sp. nov., d, e, n—D. yoshimurai (from Tomikawa et al. 2004: fig. 1), f, o—D. echinoicus (from Tzvetkova 1975), g, p—D. echinoides (from Bousfield & Hendrycks 1995: fig. 40), h, q—D. awatschensis sp. nov., i, r—D. ornatus sp. nov., j, s—D. okhotensis sp. nov., k, t—D. obsolescens (from Hirayama 1988: fig. 270).

FIGURE 4. Dactylopleustes spp.: maxilla 2—a–i; outer plates of maxilliped—j–r: a, j—D. longoantennis sp. nov., b, k—D. tzvetkovae sp. nov, c, l—D. yoshimurai (from Tomikawa et al. 2004: fig. 1), d, m—D. echinoicus (from Tzvetkova 1975), e, n—D. echinoides (from Bousfield & Hendrycks 1995: fig. 40), f, o—D. awatschensis sp. nov., g, p—D. ornatus sp. nov., h, q—D. okhotensis sp. nov., i, r—D. obsolescens (from Hirayama 1988: fig. 270).

FIGURE 5. Dactylopleustes spp.: pereopod 1 (gnathopod 1)—a–i; pereopod 2 (gnathopod 2)—j–r: a, j—D. longoantennis sp. nov., b, k—D. tzvetkovae sp. nov., c, l—D. yoshimurai (from Tomikawa et al. 2004: fig. 2), d, m—D. echinoicus (from Tzvetkova 1975), e, n—D. echinoides (from Bousfield & Hendrycks 1995: fig. 40), f, o—D. awatschensis sp. nov., g, p—D. ornatus sp. nov., h, q—D. okhotensis sp. nov., i, r—D. obsolescens (from Hirayama 1988: fig. 270).

FIGURE 6. Dactylopleustes spp.: pereopod 4: a, b—D.longoantennis sp. nov., c, d—D. tzvetkovae sp. nov., e, f—D.yoshimurai (from Tomikawa et al. 2004: fig. 2), g—D. echinoicus (from Tzvetkova 1975), h—D. echinoides (from Bousfield & Hendrycks 1995: fig. 40), i, j—D. awatschensis sp. nov., k, l—D. ornatus sp. nov., m—D. okhotensis sp. nov., n—D. obsolescens (from Hirayama 1988: fig. 270).

FIGURE 7. Dactylopleustes spp.: pereopod 5: a, b—D.longoantennis sp. nov., c, d—D. tzvetkovae sp. nov., e, f—D.yoshimurai (from Tomikawa et al. 2004: fig. 2), g—D. echinoicus (from Tzvetkova 1975), h, i—D. echinoides (from Bousfield & Hendrycks 1995: fig. 40; Tomikawa et al. 2004: fig. 6), j, k—D. awatschensis sp. nov., l, m—D. ornatus sp. nov., n—D. okhotensis sp. nov., o—D. obsolescens (from Hirayama 1988: fig. 270).

FIGURE 8. Dactylopleustes spp.: pleopods—a–g; uropod 1—h–n: a, h—D. longoantennis sp. nov., b, i—D. tzvetkovae sp. nov., c, j—D. yoshimurai (from Tomikawa et al. 2004: fig. 5), d, k—D. awatschensis sp. nov., e, l—D. ornatus sp. nov., f, m—D. okhotensis sp. nov., g, n—D. obsolescens (from Hirayama 1988: fig. 271).

FIGURE 36. Distribution of Dactylopleustes species.