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FIGURE 7. Tetragonopterus carvalhoi. a in Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species

FIGURE 7. Tetragonopterus carvalhoi. a) MZUSP 102268, holotype, 36.6 mm SL, Brazil, Amapá, Rio Jari, Amazon basin. b) Live specimen from Rio Jari, Amazon basin. Photo (a) from Melo et al. (2011) and (b) by J.L.O. Birindelli.

FIGURE 6. Tetragonopterus rarus. a in Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species

FIGURE 6. Tetragonopterus rarus. a) MZUSP 88029, 85.4 mm SL, Brazil, Pará, Rio Paru, Amazon basin. Live specimens from (b) Marowijne and (c) Corantijn river basins, Suriname. Photos (b–c) by R. Covain.

FIGURE 8. Tetragonopterus anostomus. a in Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species

FIGURE 8. Tetragonopterus anostomus. a) MZUSP 108957, holotype, 45.4 mm SL, Brazil, Mato Grosso, Nova Crixás, Rio Preto, Rio Araguaia. b) LBP 19055, 42.8 mm SL, Brazil, Tocantins, Brejinho de Nazaré, Rio Crixás, Rio Tocantins. Photo (a) from Silva & Benine (2011) and (b) by M. Taylor.

FIGURE 5 in Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species

FIGURE 5. Tetragonopterus georgiae. (a–b) Moenkhausia georgiae, ANSP 94708, paratype, 58.3 mm SL, French Guyana, Litany river, upper Marowijne river basin; c) T. georgiae, Suriname, live specimen. Photos (a–b) by K. Luckenbill and (c) by R. Covain.

FIGURE 3. Tetragonopterus argenteus. a in Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species

FIGURE 3. Tetragonopterus argenteus. a) MNHN 9807, holotype, 112.0 mm SL, unknown locality; b) LBP 3758, 53.8 mm SL, Brazil, Mato Grosso, Paraguay basin; c) MUSM 39445, live specimen, 78.0 mm SL, Río Purus, Peru. Photos by MNHN (a) and T.P. Carvalho (c).

FIGURE 1 in Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species

FIGURE 1. Maximum likelihood tree of Tetragonopterus based on partial sequences of cytochrome oxidase c subunit I. Black circles represent bootstrap support ±80%; grey circles represent bootstrap support between 50% and 79%; values <50% are not shown. Voucher numbers are represented after species names.

FIGURE 4. Tetragonopterus chalceus. a in Revision of the South American genus Tetragonopterus Cuvier, 1816 (Teleostei: Characidae) with description of four new species

FIGURE 4. Tetragonopterus chalceus. a) MZUSP 115276, Paranatinga, Rio Culuene, Xingu basin; b) Brazil, Goiás, Brejinho de Nazaré, Rio Crixás, Rio Tocantins. Photo (b) by M. Taylor.

FIGURE 4 in Four new species and a new name in the genus Rhyncaphytoptus Keifer (Acari: Eriophyoidea: Diptilomiopidae) from China

FIGURE 4. Rhyncaphytoptus yilisis sp. nov. A, dorsal view of female; B, coxae and female genitalia; C, legs I and II; D, lateral aspect of female; E, tarsal empodium; F, male genitalia.

FIGURE 3 in Four new species and a new name in the genus Rhyncaphytoptus Keifer (Acari: Eriophyoidea: Diptilomiopidae) from China

FIGURE 3. Rhyncaphytoptus guanegounis sp. nov. A, dorsal view of female; B, coxae and female genitalia; C, legs I and II; D, lateral aspect of female; E, tarsal empodium; F, male genitalia.

FIGURE 1 in Four new species and a new name in the genus Rhyncaphytoptus Keifer (Acari: Eriophyoidea: Diptilomiopidae) from China

FIGURE 1. Rhyncaphytoptus longyuwanis sp. nov. A, dorsal view of female; B, coxae and female genitalia; C, legs I and II; D, lateral aspect of female; E, tarsal empodium; F, male genitalia.

FIGURE 2 in Four new species and a new name in the genus Rhyncaphytoptus Keifer (Acari: Eriophyoidea: Diptilomiopidae) from China

FIGURE 2. Rhyncaphytoptus tiliarium sp. nov. A, dorsal view of female; B, coxae and female genitalia; C, legs I and II; D, lateral aspect of female; E, tarsal empodium; F, male genitalia.

FIGURE 15 in New records and description of four new species of spionids (Annelida: Polychaeta: Spionidae) from the Philippines: the genera Dispio, Malacoceros, Polydora, and Scolelepis, with notes on palp ciliation patterns of the genus Scolelepis

FIGURE 15. Scolelepis magnicornuta sp. n. A–H, paratypes (USNM 1096810) SEM micrographs. A, anterior end, lateral view; B, anterior end, lateral view (palps missing); C, anterior end, dorsal view; D, occipital tentacle (arrowhead shows cilia on side of tentacle); E, middle region of palp, frontal view (arrowhead indicates faint division in transverse rows of cilia; short rows top, long rows bottom); F, setigers 10–15 (right to left), lateral view; G, setigers 30–33 (right to left), lateral view (arrowhead indicates lateral organ); H, pygidium, dorsal view. Scale bars: A–C = 500 µm; D = 100 µm; E = 50 µm; F–H = 250 µm.

FIGURE 13. Scolelepis hutchingsae A–E in New records and description of four new species of spionids (Annelida: Polychaeta: Spionidae) from the Philippines: the genera Dispio, Malacoceros, Polydora, and Scolelepis, with notes on palp ciliation patterns of the genus Scolelepis

FIGURE 13. Scolelepis hutchingsae A–E, voucher specimens (USNM 1096812) SEM micrographs. A, setigers 2–4 (left to right), lateral view (arrowhead indicates lateral organ); B, setigers 13–21 (right to left), lateral view (arrowhead indicates lateral organ); C, setiger 20 neuropodial hooded hooks; D, posterior setigers and pygidium, dorsal view; E, posterior setigers and pygidium, lateral view. Scale bars: A, D = 100 µm; B = 250 µm; C = 25 µm; E = 250 µm.

FIGURE 12. Scolelepis hutchingsae A–G in New records and description of four new species of spionids (Annelida: Polychaeta: Spionidae) from the Philippines: the genera Dispio, Malacoceros, Polydora, and Scolelepis, with notes on palp ciliation patterns of the genus Scolelepis

FIGURE 12. Scolelepis hutchingsae A–G, voucher specimens (USNM 1096812) SEM micrographs. A, anterior end, lateral view (palp missing on right side); B, anterior end, dorsal view; C, anterior end, oblique en-face view; D, anterior end, lateral view; E, caruncle and nuchal organ (base of palp at top, arrowhead indicates patches of cilia on palp base shown in F); F, base of palp with patches of cilia; G, lateral view of palp; H, middle region of palp, oblique frontal view (arrowheads show two short ciliary rows on elevated lobes). Scale bars: A–B, D = 250 µm; C = 125 µm; E = 50 µm; F = 25 µm; G = 100 µm; H = 20 µm.

FIGURE 17 in New records and description of four new species of spionids (Annelida: Polychaeta: Spionidae) from the Philippines: the genera Dispio, Malacoceros, Polydora, and Scolelepis, with notes on palp ciliation patterns of the genus Scolelepis

FIGURE 17. Scolelepis villosivaina sp. n. A–I, paratypes (USNM 1096815) SEM micrographs. A, anterior end, lateral view; B, anterior end, lateral view (palps missing); C, anterior end, oblique dorsal view; D, anterior end, dorsal view (palps missing); E, base of palp showing sheath (arrow indicates beginning of ciliary rows; arrowhead indicates groups of cilia on palp sheath); F, middle region of palp, frontal view; inset shows part of a single transverse ciliary row (N indicates neck of gland cells, C indicates cilia); G, setiger 8–10 (right to left), lateral view; H, setiger 33–36 (left to right), lateral view; I, bacterial cells attached to setiger 1 (same specimen as shown in A). Scale bars: A–D, H = 500 µm; E = 100 µm; F = 50 µm; G = 250 µm; I = 10 µm.

FIGURE 10 in New records and description of four new species of spionids (Annelida: Polychaeta: Spionidae) from the Philippines: the genera Dispio, Malacoceros, Polydora, and Scolelepis, with notes on palp ciliation patterns of the genus Scolelepis

FIGURE 10. Scolelepis alisonae sp. n. A–D, paratypes (USNM 1096806) SEM micrographs. A, proximal region of palp, frontal view (arrowhead indicates faint division in transverse rows of cilia; short rows top, long rows bottom; note that at point of arrowhead there are two long rows below and only one short row above); B, distal tip of palp, frontal view; C, setiger 68, oblique dorsolateral view; D, posterior setigers and pygidium, dorsal view. Scale bars: A–B = 25 µm; C = 100 µm; D = 250 µm.

FIGURE 9 in New records and description of four new species of spionids (Annelida: Polychaeta: Spionidae) from the Philippines: the genera Dispio, Malacoceros, Polydora, and Scolelepis, with notes on palp ciliation patterns of the genus Scolelepis

FIGURE 9. Scolelepis alisonae sp. n. A–H, paratypes (USNM 1096806) SEM micrographs. A, anterior end, oblique lateral view (palps missing); B, anterior end, dorsal view; C, anterior end, lateral view; D, setiger 1 and base of palp, lateral view; E, tips of neurosetae from setiger 3; F, setiger 2, lateral view; G, setiger 19 & 20 (left to right), lateral view (arrowheads indicate lateral organs); H, setigers 49–51 (top to bottom), lateral view. Scale bars: A–C = 250 µm; D = 100 µm; E–H = 200 µm.

FIGURE 7. Malacoceros indicus. A–E in New records and description of four new species of spionids (Annelida: Polychaeta: Spionidae) from the Philippines: the genera Dispio, Malacoceros, Polydora, and Scolelepis, with notes on palp ciliation patterns of the genus Scolelepis

FIGURE 7. Malacoceros indicus. A–E, voucher specimens (USNM 1096801); F–G (USNM 1096800) SEM micrographs. A, anterior end, oblique lateral view (arrowhead indicates 2 bulbous lobes of proboscis); B, anterior end, dorsal view; C, neuropodium of setiger 10 (arrowhead indicates lateral organ); D, sabre setae of setiger 10; E, neuropodium of setiger 72 (arrowhead indicates nipple-like projection); F, setigers 20–24 (right to left), lateral view; G, posterior setigers and pygidium, lateral view. Scale bars: A–B = 500 µm; C = 5µm; D–E = 50 µm; F = 500 µm; G = 1 mm.

FIGURE 3. Polydora cavitensis. A–D in New records and description of four new species of spionids (Annelida: Polychaeta: Spionidae) from the Philippines: the genera Dispio, Malacoceros, Polydora, and Scolelepis, with notes on palp ciliation patterns of the genus Scolelepis

FIGURE 3. Polydora cavitensis. A–D, voucher specimen (USNM 1096803) SEM micrographs. A, anterior end, dorsal view; B, anterior end, lateral view (occipital tentacle indicated by arrowhead); C, setigers 1–4 (left to right), lateral view (lateral organs indicated by arrowheads); D, major spines of setiger 5, lateral view. Scale bars: A–B = 250 µm; C = 50 µm; D = 10 µm.

FIGURE 5 in New records and description of four new species of spionids (Annelida: Polychaeta: Spionidae) from the Philippines: the genera Dispio, Malacoceros, Polydora, and Scolelepis, with notes on palp ciliation patterns of the genus Scolelepis

FIGURE 5. Dispio latilamella sp. n. A–H, paratype (USNM 1096796) SEM micrographs. A, anterior end, lateral view (arrowhead shows papillae on prostomium); B, anterior end, lateral view (opposite side of specimen in A, palp missing); inset shows spinelets on notoseta of setiger 1; C, anterior end, dorsal view; D, setiger 1 notopodia; E, proximal to middle region of palp, frontal view (arrowhead indicates a transverse row of cilia on one side of ventral ciliated groove); F, setigers 10–14 (left to right), lateral view; G, setigers 18–20 (left to right), lateral view (first accessory branchiae on setiger 19 shown by arrowhead; horizontal arrow indicates lateral organ); H, setiger 30–33 (right to left), lateral view. Scale bars: A–C = 500 µm; D = 100 µm; E = 50 µm; F–H = 250 µm; inset of B = 2.5 µm.