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FIG. 4. — Semitaspongia glebosa n in Two new genera and five new species of the "Cacospongia" group (Porifera, Demospongiae, Dictyoceratida)

FIG. 4. — Semitaspongia glebosa n. sp.; A, holotype, NMNZ POR457 (= SDCC/NZ081); B, paratype, SDCC/NZ080; C, paratype, SDCC/NZ078, fibre skeleton; D, paratype, SDCC/NZ078, detail of fibre skeleton; E, holotype, NMNZ POR457 (= SDCC/NZ081), with some unidentified structures at the surface of the sponge, which superficially resemble fibres; F, holotype, NMNZ POR457 (= SDCC/NZ081), histological detail. Scale bars: C-E, 500 µm; F, 250 µm.

FIG. 3. — Semitaspongia incompta n in Two new genera and five new species of the "Cacospongia" group (Porifera, Demospongiae, Dictyoceratida)

FIG. 3. — Semitaspongia incompta n. sp.; A, holotype, NMNZ POR459 (= SDCC/NZ031); B, paratype SDCC/NZ026; C, paratype SDCC/NZ030; D, holotype, NMNZ POR459 (= SDCC/NZ031), a more regular section of fibre skeleton; E, paratype SDCC/NZ030, detail of the typical irregular fibre skeleton. Note the appearance of the fibres themselves, in contrast to the relatively clear, finely laminated fibres of Scalarispongia scalaris in Fig. 1E; F, holotype, NMNZ POR459 (= SDCC/NZ031), histological detail, showing tracks of choanocyte chambers (upper centre and lower right of photo) through a collagenous deposit. Scale bars: D, E, 500 µm; F, 100 µm.

FIG. 1. — A in Two new genera and five new species of the "Cacospongia" group (Porifera, Demospongiae, Dictyoceratida)

FIG. 1. — A, Cacospongia mollior (ex-Topsent collection, Strasbourg), fibre skeleton; B, Cacospongia mollior, showing histological detail; C, Cacospongia serta, holotype, BMNH 1886.8.27.166 (fragment = SDCC/NZ076), fibre skeleton; D, Cacospongia serta holotype, BMNH 1886.8.27.166 (fragment = SDCC/NZ076), detail of fibre skeleton; E, Scalarispongia scalaris (ex-Topsent collection, Strasbourg), fibre skeleton; F, Scalarispongia scalaris, showing histological detail. Scale bars: 500 µm.

FIG. 3. — Lophoturus sturmi n in New species and distribution of the genera Lophoturus and Ancistroxenus (Myriapoda, Diplopoda, Penicillata) in the Caribbean and northern South America

FIG. 3. — Lophoturus sturmi n. sp.; A-F, holotype; A, distal part of tarsus II and telotarsus of left leg II; B, coxal seta of right leg II; C, D, tibial setae of right legs I and II; E, labrum; F, insertions of trichomes on left part of tergite II; G-I, paratype; G, left antenna; H, I, detail of sensilla on articles VI and VII of antenna G. Abbreviations: a, anterior sensillum basiconicum; c, sensillum coeloconicum; i, p, intermediate and posterior sensilla basiconica. Scale bars: A-E, H, I, 25 µm; F, G, 50 µm.

FIG. 6. — Semitaspongia pulvinata n in Two new genera and five new species of the "Cacospongia" group (Porifera, Demospongiae, Dictyoceratida)

FIG. 6. — Semitaspongia pulvinata n. sp.; A, holotype, NMNZ POR454 (= SDCC/NZ156); B, paratype, SDCC/251; C, fibre skeleton;

FIG. 2. — A in Two new genera and five new species of the "Cacospongia" group (Porifera, Demospongiae, Dictyoceratida)

FIG. 2. — A, Cacospongia mollior (Natural History Museum, London, Bowerbank collection 1224). Labels are probably in Bowerbank's handwriting; B, Cacospongia mollior, BMNH 1910.1.1.2467. Labels are probably in Bowerbank's handwriting; C, Scalarispongia scalaris (Natural History Museum, London, Bowerbank collection 1223). Labels are probably in Bowerbank's handwriting; D, Scalarispongia scalaris (Natural History Museum, London, uncatalogued slide). Labels are probably in Bowerbank's handwriting.

FIG. 5. — Semitaspongia nigrachorda n in Two new genera and five new species of the "Cacospongia" group (Porifera, Demospongiae, Dictyoceratida)

FIG. 5. — Semitaspongia nigrachorda n. sp.; A, top view; B, bottom view, showing dark fibres visible at or near surface; C, fibre skeleton (surface at lower right); D, fibre skeleton; E, fibre skeleton (surface at top left). Scale bars: 500 µm.

FIG. 7 in New species and distribution of the genera Lophoturus and Ancistroxenus (Myriapoda, Diplopoda, Penicillata) in the Caribbean and northern South America

FIG. 7. — Distribution of the genera Ancistroxenus Schubart, 1947 and Lophoturus Brolemann, 1931 (Penicillata) in Central America (except Mexico) and northern South America. L. anisorhabdus Condé & Terver 1964, collected in Guatemala in a orchid clump from an unknown locality, is not shown on this map.

FIG. 6. — A-C in New species and distribution of the genera Lophoturus and Ancistroxenus (Myriapoda, Diplopoda, Penicillata) in the Caribbean and northern South America

FIG. 6. — A-C, Macroxenodes aff. amazonicus Ishii, Nguyen Duy-Jacquemin & Condé, 1999, larva 10 p.l. from Tobago; A, sensilla on left antennal article VI; B, C, sensilla on right antennal articles VI and VII; D, larva 6 p.l. from Tobago, sensilla on left antennal antepenultimate article; E, Macroxenodes amazonicus Ishii, Nguyen Duy-Jacquemin & Condé, 1999, holotype, sensilla on antennal article VI (after Ishii et al. 1999: 267, fig 87). Abbreviations: a, anterior sensillum basiconicum; c, sensillum coeloconicum; i, p, intermediate and posterior sensilla basiconica; s, setiform sensillum. Scale bars: 25 µm.

FIG. 2. — Lophoturus monserratensis n in New species and distribution of the genera Lophoturus and Ancistroxenus (Myriapoda, Diplopoda, Penicillata) in the Caribbean and northern South America

FIG. 2. — Lophoturus monserratensis n. sp., holotype; A, right antenna; B, C, detail of sensilla on articles VII and VI of antenna A; D, E, sensilla on left antennal VII and VI articles; F, distal part of tarsus II and telotarsus of left leg I; G, seta of prefemur left leg I; H, I, coxal setae of left legs III and I; J, insertions of trichomes of left posterior tuft on vertex and detail of anterior left trichobothrium; K, L, insertions of trichomes on left half tergite II and anterior part of telson; M, right palpus of gnathochilarium; N, labrum. Abbreviations: a, anterior sensillum basiconicum; a1-a6, insertions of trichomes on internal side i; a7-a9, on external side e of the group b-c1-c3; c, sensillum coeloconicum; i, p, intermediate and posterior sensilla basiconica. Scale bars: A, J-L, 50 µm; B-F, G-I, M, N, 25 µm.

FIG. 5 in New species and distribution of the genera Lophoturus and Ancistroxenus (Myriapoda, Diplopoda, Penicillata) in the Caribbean and northern South America

FIG. 5. — Ancistroxenus comans (Loomis, 1934); A, 10 p.l. from French Guyana, Montagne de Roura, VIth left antennal article; B-E, Isla del Rey; B, VIth left antennal article; C, anterior right trichobothrium; D, E, insertions of trichomes on the right half of collum and tergite II. Abbreviations: c, sensillum coeloconicum; i, intermediate sensillum; l.p., lateral protuberance; p, posterior sensillum basiconicum. Scale bars: A-C, 25 µm; D, E, 50 µm.

FIG. 11. — Sansonia alisonae n in New species and genera of the family Pickworthiidae (Mollusca, Caenogastropoda)

FIG. 11. — Sansonia alisonae n. sp., holotype, Carter Reef, North Queensland (AMS 135348), H = 4.2 mm.

FIG. 10. — Reynellona borbonica n in New species and genera of the family Pickworthiidae (Mollusca, Caenogastropoda)

FIG. 10. — Reynellona borbonica n. sp., La Réunion, Marion-Dufresne, cruise MD 32, stn DR47 (MNHN); A, B, holotype, H = 3.1 mm; C, paratype, protoconch. Scale bar: C, 100 µm.

FIG. 9. — Reynellona bollandi n in New species and genera of the family Pickworthiidae (Mollusca, Caenogastropoda)

FIG. 9. — Reynellona bollandi n. sp., holotype, Okinawa, Japan (LACM 2455), H = 2.2 mm; A, B, apertural and side views; C, protoconch. Scale bar: C, 100 µm.

FIG. 8. — Microliotia alvanioides n in New species and genera of the family Pickworthiidae (Mollusca, Caenogastropoda)

FIG. 8. — Microliotia alvanioides n. sp., off Fatu Hiva, Marquesas Is (MNHN); A, B, holotype, apertural and side views, H = 1.75 mm; C, D, paratypes; C, basal view; D, protoconch. Scale bar: D, 100 µm.

FIG. 7. — Mareleptopoma vaubani n in New species and genera of the family Pickworthiidae (Mollusca, Caenogastropoda)

FIG. 7. — Mareleptopoma vaubani n. sp., holotype, off Nouméa, New Caledonia, 250-350 m (MNHN), H = 0.95 mm; A, B, apertural and side views; C, protoconch. Scale bar: C, 50 µm.

FIG. 5. — Mareleptopoma intermedia n in New species and genera of the family Pickworthiidae (Mollusca, Caenogastropoda)

FIG. 5. — Mareleptopoma intermedia n. sp., holotype, Fanning, Line Islands (BPBM), H = 1.3 mm; A, B, apertural and side views; C, protoconch. Scale bar: C, 100 µm.

FIG. 6. — Mareleptopoma pellucens n in New species and genera of the family Pickworthiidae (Mollusca, Caenogastropoda)

FIG. 6. — Mareleptopoma pellucens n. sp., Rottnest I., Western Australia (AMS 135347); A-C, holotype, H = 1.1 mm; A, B, apertural and side views; C, protoconch; D, paratype, H = 0.75 mm. Scale bar: C, 100 µm.

FIG. 3. — Clatrosansonia troendlei n. gen., n in New species and genera of the family Pickworthiidae (Mollusca, Caenogastropoda)

FIG. 3. — Clatrosansonia troendlei n. gen., n. sp., holotype, Tahiti, French Polynesia (MNHN), H = 1.0 mm; A, B, apertural and side views; C, protoconch. Scale bar: C, 50 µm.

FIG. 2 in New species and genera of the family Pickworthiidae (Mollusca, Caenogastropoda)

FIG. 2. — Clatrosansonia philippina (Bandel & Kowalke, 1997) n. comb., Jeddah, Red Sea (MZB 003794), H = 1.27 mm; A, B, apertural and side views; C, protoconch. Scale bar: C, 50 µm.