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FIGURE 7. Daphnia pusilla, ephippial female from a in A new redescription of Daphnia pusilla (Serventy, 1929) (Cladocera: Daphniidae) with emphasis on the thoracic limbs of Daphnia (Ctenodaphnia) Dybowski & Grochowski, 1895

FIGURE 7. Daphnia pusilla, ephippial female from a pond in Cape Portland, NE Tasmania. A, lateral view. B, ventral view. C, antero-dorsal view. D, ephippium. E, ephippium dorsal portion. F, sculpture central portion of ephippium. Scale bars 1 mm for A–C, 0.1 mm for D–F.

FIGURE 5. Daphnia pusilla from a in A new redescription of Daphnia pusilla (Serventy, 1929) (Cladocera: Daphniidae) with emphasis on the thoracic limbs of Daphnia (Ctenodaphnia) Dybowski & Grochowski, 1895

FIGURE 5. Daphnia pusilla from a pond in Cape Portland, NE Tasmania. A, juvenile female. B–C, ephippial female, lateral and anterior view. D–M, adult male. D, lateral view. E–F, head, lateral and dorsal view. G, ventral margin. H, postero-ventral valve margin. I, postabdomen. J, postabdominal claw. K, antenna I. L, armature of distal segment of its flagellum. M, antenna II. Scale bars 1 mm for A–F, 0.1 mm for G–M.

FIGURE 4 in A new redescription of Daphnia pusilla (Serventy, 1929) (Cladocera: Daphniidae) with emphasis on the thoracic limbs of Daphnia (Ctenodaphnia) Dybowski & Grochowski, 1895

FIGURE 4. Daphnia pusilla, thoracic limbs of parthenogenetic female from a pond in Cape Portland, NE Tasmania. A, limb I. B, limb II. C, gnathobase of limb II. D, limb III. E, seta 2 of limb III exopodite. F, inner-distal portion of limb III. G. limb IV. H, inner-distal portion of limb IV. I, limb V. J, distal portion of limb V. Scale bars 0.1 mm.

FIGURE 3. Daphnia pusilla, parthenogenetic female from a in A new redescription of Daphnia pusilla (Serventy, 1929) (Cladocera: Daphniidae) with emphasis on the thoracic limbs of Daphnia (Ctenodaphnia) Dybowski & Grochowski, 1895

FIGURE 3. Daphnia pusilla, parthenogenetic female from a pond in Cape Portland, NE Tasmania. A–C, distal portion of postabdomen. D, armature of preanal portion of postabdomen. E–F, antenna II. G, molar surface of left mandible. H, exopodites of thoracic limbs. Scale bars 0.1 mm for A–F, H, 0.01 mm for G.

FIGURE 2. Daphnia pusilla, parthenogenetic female from a in A new redescription of Daphnia pusilla (Serventy, 1929) (Cladocera: Daphniidae) with emphasis on the thoracic limbs of Daphnia (Ctenodaphnia) Dybowski & Grochowski, 1895

FIGURE 2. Daphnia pusilla, parthenogenetic female from a pond in Cape Portland, NE Tasmania. A, lateral view. B, anterolateral view. C, head. D, rostrum. E, sculpture of valve. F, postero-lateral margin, inner view. G, posterior margin, inner view. H, postabdomen. Scale bars 1 mm for A–B, 0.1 mm for C–F, H, 0.01 for G.

FIGURE 1. Daphnia pusilla, parthenogenetic female from a in A new redescription of Daphnia pusilla (Serventy, 1929) (Cladocera: Daphniidae) with emphasis on the thoracic limbs of Daphnia (Ctenodaphnia) Dybowski & Grochowski, 1895

FIGURE 1. Daphnia pusilla, parthenogenetic female from a pond in Cape Portland, NE Tasmania. A, lateral view. B, anterior view. C, head, dorsal view. D–E, head, lateral view. F, ventral valve margin, inner view. G, postero-ventral margin, inner view. H, posterior margin, inner view. I–J, abdomen and postabdomen. K, distal portion of postabdomen, dorsal view. L–M, postabdominal claw, outer and inner view. Scale bars 1 mm for A–C, 0.1 mm for D–M.

FIGURE 6. Daphnia pusilla, juvenile female from a in A new redescription of Daphnia pusilla (Serventy, 1929) (Cladocera: Daphniidae) with emphasis on the thoracic limbs of Daphnia (Ctenodaphnia) Dybowski & Grochowski, 1895

FIGURE 6. Daphnia pusilla, juvenile female from a pond in Cape Portland, NE Tasmania. A, dorsal view. B, posterior head portion. C, dorsal organ. Scale bars 0.1 mm.

FIGURE 8. Daphnia pusilla, adult male from a in A new redescription of Daphnia pusilla (Serventy, 1929) (Cladocera: Daphniidae) with emphasis on the thoracic limbs of Daphnia (Ctenodaphnia) Dybowski & Grochowski, 1895

FIGURE 8. Daphnia pusilla, adult male from a pond in Cape Portland, NE Tasmania. A, lateral view. B, ventral view. C, postabdomen. D, postabdominal distal portion. E, antenna II. F, limbs I and II, outer view. G. limb I, inner view. H, limb III, inner-distal portion. Scale bars 1 mm for A–B, 0.1 mm for C–H.

Figure 2. Bayesian 50 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 2. Bayesian 50% consensus tree from concatenated data of partial mitochondrial cytochrome c oxidase subunit I and large mitochondrial (16S) and nuclear ribosomal genes (28S). Annotated sequence groups were obtained with ABGD. Numbers on nodes correspond to posterior probabilities. Black dots mark significant and grey dots non-significant reciprocally monophyletic clades according to Rosenberg's (2007) test.

Figure 3 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 3. Magelona alleni (Morocco St. 2011410–GR45, NMW.Z.2021.001.0001): A, anterior region (dorsal view showing pigment band); B, prostomium, dorsal view (base of RH palp visible); C, E–K, M, O, parapodia of chaetigers 1–9, 11, respectively (anterior views); D, neuropodial lamella of chaetiger 1 (ventral view); L, parapodium of chaetiger 8 (lateral view); N, neuropodium of chaetiger 9 (lateral view); P, Q, tridentate abdominal hooded hooks (oblique lateral and lateral views, respectively).

Figure 7 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 7. Magelona guineensis. Holotype (São Tomé and Príncipe, St. 5SP–05, ZMBN132137): A, anterior region (dorsal view); B, prostomium (dorsal view); C, parapodium of chaetiger 1 (anterior view); D, ventral neuropodial lamella of chaetiger 1 (dorsal view); E, parapodium of chaetiger 2 (anterior view); F, parapodium of chaetiger 3 (anterior view); G, ventral neuropodial lamella of chaetiger 3 (dorsal view); H–N, parapodia of chaetigers 4–10, respectively (anterior views); O, abdominal tridentate hooded hook (oblique frontal view).

Figure 14 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 14. Magelona fasciata (Senegal St. 2011410–SL12: A–C, NMW.Z.2021.001.0009; D, E, NMW.Z.2021.001.0008; F, Senegal St. 2011410–SL12_5; G, St. 2011410–SL11: ZMBN115739): A, anterior region (dorsal view); B, anterior region (ventral view, showing partially everted burrowing organ); C, anterior region (lateral view, showing thoracic/abdominal junction); D, nine abdominal chaetigers, towards posterior region, showing two posteriorly open lateral pouches (ventrolateral view); E, posterior region (ventral view, showing pygidium and several lateral pouches); F, middle section of palp, showing pigmentation of the non-papillated side; G, anterior region (dorsal view).

Figure 1 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 1. Map showing the MIWA sampling area between Morocco in the north and Angola in the south, indicating the position of all sampling stations and current known distributions and depths for all magelonid species carrying posterior thoracic pigmentation off the western and southern coasts of Africa.

Figure 8 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 8. Magelona guineensis. Holotype (São Tomé and Príncipe, St. 5SP–05, ZMBN132137): A, B, anterior region (dorsal and ventral views respectively, showing pigment band); C, D, anterior region (dorsal and ventral views respectively); E, prostomium (ventral view, showing buccal region). C–E, stained with methyl green.

Figure 13 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 13. Magelona fasciata. (Ghana St. 7GH–02) (A, B, D–Z, holotype, ZMBN132144; C, paratype (NMW.Z.2021.001.0012): A, anterior region (dorsal view); B, C, prostomia (dorsal views); D, parapodium of chaetiger 1 (anterior view); E, ventral neuropodial lamella of chaetiger 1 (dorsal view); F, parapodium of chaetiger 2 (anterior view); G, ventral neuropodial lamella of chaetiger 2 (dorsal view); H, parapodium of chaetiger 3 (anterior view); I, ventral neuropodial lamella of chaetiger 3 (dorsal view); J, parapodium of chaetiger 4 (anterior view); K, ventral neuropodial lamella of chaetiger 4 (dorsal view); L, parapodium of chaetiger 5 (anterior view); M, ventral neuropodial lamella of chaetiger 5 (dorsal view); N, parapodium of chaetiger 6 (anterior view); O, ventral neuropodial lamella of chaetiger 6 (dorsal view); P–T, parapodia of chaetigers 7, 8, 9, 14 and 40, respectively (anterior views); U, abdominal chaetiger showing posteriorly open lateral pouch (lateral view); V, capillary chaeta from thoracic segment (lateral view); W–Y, bidentate abdominal hooded hooks (oblique lateral, lateral and posterolateral views, respectively, hoods omitted in X and Z for clarity); Z, eggs observed in the abdominal cavity.

Figure 12 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 12. Magelona nanseni. Holotype (Nigeria St. 5N–11, ZMBN132141): A, B, anterior region (dorsal and ventral views, respectively, pigmentation in posterior thorax visible); C, prostomium and first four chaetigers (dorsal view, showing dorsal speckled regions); D, E, anterior region (dorsal and ventral views, respectively); F, prostomium and first four chaetigers (dorsal view); G, H, anterior region (posterolateral and anterolateral views, respectively). D–H, stained with methyl green.

Figure 6 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 6. Magelona alleni (A–F, holotype BMNH 1958.5.2.1; G, paratype BMNH 1958.5.2.2): A, B, anterior region (dorsal and ventral views, respectively); C, D, prostomium and first five chaetigers (dorsal and ventral views, respectively); E, anterior region (laterodorsal view); F, thoracic/abdominal junction showing chaetigers 4(RH) to 13 (LH) (lateral view); G, posterior region (dorsal view).

Figure 5 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 5. Magelona alleni (A, B, holotype BMNH 1958.5.2.1; C, paratype BMNH 1958.5.2.2): A, anterior region (dorsal view); B, prostomium and first chaetiger (ventral view, showing mouth and base of LH palp); C, posterior region (dorsal view).

Figure 17 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 17. Magelona mackiei. (A, B, Liberia St. 7LI–01, NMW.Z.2021.001.0018; C–H, Liberia St. 7LI–07, NMW.Z.2021.001.0017; I, Nigeria St. 6N–11, ZMBN132179): A, anterior region (ventral view); B, anterior region (dorsal view); C, anterior region (dorsal view); D, anterior region (ventral view); E, anterior region (lateral view); F, anterior region (dorsal view); G, anterior region (ventral view); H, prostomium and first three chaetigers (dorsolateral view); I, section of sediment tube. F–H, stained with methyl green.

Figure 4 in Integrative taxonomy of West African Magelona (Annelida: Magelonidae): species with thoracic pigmentation

Figure 4. Magelona alleni (Morocco St. 2011410–GR45, NMW.Z.2021.001.0001), methyl green staining pattern: A, anterior region (dorsal view, showing pigment band. RH palp attached); B, anterior region (ventral view, showing partially everted burrowing organ); C, prostomium and first chaetiger (dorsal view); D, right-hand parapodia of chaetigers 7–10 (lateral view).