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277 results for “Siphonophorae”
FIGURE 4 in Agalma clausi (Bedot, 1888) (Siphonophora: Physonectae) - complementary description with notes on species distribution and ecology
FIGURE 4. In situ photograph of specimen BWP 1048-7. Scale bar: 0.5 mm. (With grateful thanks to Ron Gilmer).
FIGURE 3. Agalma eschscholtzii Haeckel. A in Agalma clausi (Bedot, 1888) (Siphonophora: Physonectae) - complementary description with notes on species distribution and ecology
FIGURE 3. Agalma eschscholtzii Haeckel. A. Whole colony; B. Nectophore; C. Bracts; D. Tentillum. From Haeckel (1888b), Plate XVIII, figs. 8, 9, 10, 11 & 14 respectively.
FIGURE 2. A in Agalma clausi (Bedot, 1888) (Siphonophora: Physonectae) - complementary description with notes on species distribution and ecology
FIGURE 2. A. Whole colony of Agalma clausi from Bedot (1888) Plate III; B. Nectophore; C. Tentillum; D. Palpon, from Bedot (1888), Plate IV, figs. 6, 3, and 18, respectively.
FIGURE 5. A in Agalma clausi (Bedot, 1888) (Siphonophora: Physonectae) - complementary description with notes on species distribution and ecology
FIGURE 5. A. Pneumatophore and nectosomal growth zone of specimen JSL I Dive 2929-DS1; B. Siphosomal stem from specimen BWP 1044-22. br—bract, cs—chitin septa, dbr—developing bract, f—funnel, gz—gastrozooid, ml—muscular lamella of nectophore, nb—nectophoral buds, pal—palpon, pc—pericystic cavity, pn—pneumatophore, pnd—pneumadenia, pns—pneumatosaccus, sh—siphosomal horn, st—stem, tc—tentacle. Scale bars: A. 2.5 mm; B. 1 mm.
FIGURE 1. A in Agalma clausi (Bedot, 1888) (Siphonophora: Physonectae) - complementary description with notes on species distribution and ecology
FIGURE 1. A. Fewkes (1880), Plate II, figure 2. "Covering scale of Agalma Sarsii"; B. & C. Figures 13 and 25 from Bedot (1888) Plate IV. Proximal at bottom.
FIGURE 8 in Agalma clausi (Bedot, 1888) (Siphonophora: Physonectae) - complementary description with notes on species distribution and ecology
FIGURE 8. Nectophores of Agalma clausi drawn at different developmental stages, based on specimen JSL I Dive 2929-DSI. A. Young nectophore; B. Upper (left) and lower (right) views of medium-sized nectophore; C. Upper (left) and lower (right) views of largest nectophore. Scale bars: A. 2 mm; B. 2 mm; C. 5 mm.
FIGURE 14 in Agalma clausi (Bedot, 1888) (Siphonophora: Physonectae) - complementary description with notes on species distribution and ecology
FIGURE 14. Development of tentillum. A. Early stages; B. Later stages. gvc—gastrovascular canal, inv—involucrum, nc—nematocyst cluster, pa—primordial ampulla, rtf—rudiment of terminal filament Scale bars: A. 50 µm; B. 200 µm.
FIGURE 17 in Agalma clausi (Bedot, 1888) (Siphonophora: Physonectae) - complementary description with notes on species distribution and ecology
FIGURE 17. Details of amphipod placements within zooids of Agalma clausi specimen BWP 1044-22. A. Two Eupronoe sp. (squared) living inside nectophore mesoglea; B. Close-up of picture A showing one of Eupronoe sp. in the axial wing of the Agalma clausi nectophore, and the damage it caused to the radial canal; C. Close up of picture A showing another Eupronoe sp. that lives in the central part of the nectophore, presumably ingesting pre-digested food directly from the radial canal; D. Two Eupronoe sp. (arrowed) living in the lateral part of the nectophore, close to the ostium; E. Exuviae of an amphipod (arrowed) inside the Agalma clausi bract. Scale bars: A. 1 mm; B., C., D. 500 µm; E. 250 µm.
FIGURE 11 in Agalma clausi (Bedot, 1888) (Siphonophora: Physonectae) - complementary description with notes on species distribution and ecology
FIGURE 11. Palpons of Agalma clausi. A. Early bud; B. Tip of mature palpon with amorphous droplet; C. Tip of mature palpon with nematocysts arranged differently; D. Surface of mature palpon with regularly scattered opaque cells; E. Developmental sequence of palpons of specimen BWP 1044-22. Scale bars: A. 100 µm; B. 100 µm; C. 200 µm; D. 100 µm; E 50 µm.
FIGURE 3 in Two new species of Bargmannia (Pyrostephidae, Physonectae, Siphonophorae)
FIGURE 3. Photographs of one of the preserved nectophores of Bargmannia stenotes sp. nov. Upper (left, lateral (centre) and lower (right) views. Scale bar 5 mm.
FIGURE 7 in Two new species of Bargmannia (Pyrostephidae, Physonectae, Siphonophorae)
FIGURE 7. Mature nectophore of Bargmannia profunda sp. nov. Upper (left), lateral (centre) and lower (right) views. Proximal at top. See Figure 1 for list of annotations. Scale bar 5 mm.
FIGURE 2 in Two new species of Bargmannia (Pyrostephidae, Physonectae, Siphonophorae)
FIGURE 2. Mature nectophore of Bargmannia stenotes sp. nov. Upper (left), lateral (centre) and lower (right) views. mp. mouth-plate; for other annotations see Figure 1. Scale bar 2 mm.
FIGURE 1. A in Two new species of Bargmannia (Pyrostephidae, Physonectae, Siphonophorae)
FIGURE 1. A. Very young nectophore of Bargmannia stenotes sp. nov., upper side (left) and lower side (right). Scale bar 1 mm. B. Small nectophore of Bargmannia stenotes sp. nov. Upper (left), lateral (centre) and lower (right) views. amc. ascending mantle canal; bi, bo. inner and outer branches of upper lateral ridge; lop. lateral ostial process; lrc. lateral radial canal; mfz. muscle-free zone; ns. nectosac; pedc. pedicular canal; rll., lrm., rul. lower, meso- and upper lateral ridges; tb. thrust block. Scale bar 2 mm. Proximal at top, distal at bottom.
FIGURE 2 in Diversity of Siphonophora (Cnidaria: Hydrozoa) in the Western Caribbean Sea: new records from deep-water trawls
FIGURE 2. Historical records of siphonophores from the western Caribbean since 1972 including the new information yielded by the recent collections in 2002 and 2006 from this survey at an expanded vertical sampling range. The figures on the graphic line indicate the number of new records from each survey to complete the total of 56 taxa. 1. Owre & Foyo (1972); 2. Michel & Foyo (1976); 3. Gasca & Suárez-Morales (1989a); 4. Gasca & Suárez-Morales (1989b); 5. Gasca (1990a); 6. Gasca (1990b); 7. Gasca & Suárez-Morales (1991); 8. Gasca (1997a); 9. Gasca (1997b); 10. Gasca (1999); 11. This survey.
FIGURE 1 in Diversity of Siphonophora (Cnidaria: Hydrozoa) in the Western Caribbean Sea: new records from deep-water trawls
FIGURE 1. Surveyed area in the western Caribbean; solid circles indicate stations visited during the Caribe 2002b cruise and squares denote those from GG 2006.
FIGURE 7 in Morphological revision of Siphonophora hui (Myriapoda: Diplopoda: Siphonophoridae) from the mid-Cretaceous Burmese amber
FIGURE 7. Adult female of Siphonophora hui Jiang et al., 2019 (NIGP175069), detailed structures under CLSM. A, Dorsal view of the head. B, Ventral view of head. C, Detail structures of 4th to 7th pairs of legs. D, Ventral view of left antenna. E, Detail structures of spiracle. F, Sclerite-like structure behind 2nd pair of coxae. Scale bars: 200 μm in A, B and D; 100 μm in C; 50 μm in others.
FIGURE 1 in Morphological revision of Siphonophora hui (Myriapoda: Diplopoda: Siphonophoridae) from the mid-Cretaceous Burmese amber
FIGURE 1. Adult male of Siphonophora hui Jiang et al., 2019 (NIGP175067). A, Dorsal view. B, Ventral view. C, Ventral view of head. D, Dorsal view of head. E, Ventral view of 8th to 13th pairs of legs. F, Dorsal view of 37th to 41th tergites. G, Ventral view of telson. E–G, Under green fluorescence. Scale bars: 2 mm in A and B; 0.5 mm in C, D, G; 0.2 mm in E and F.
FIGURE 5 in Morphological revision of Siphonophora hui (Myriapoda: Diplopoda: Siphonophoridae) from the mid-Cretaceous Burmese amber
FIGURE 5. Adult male of Siphonophora hui Jiang et al., 2019 (NIGP175068), detailed structures under CLSM. A, Ventral view of head. B, Detail structures of gnathochilarium. C, Gonopores on 2nd pair of coxae. D, Tarsus of 3rd pair of leg. E, Lateral-ventral view of gonopods. F, detail structures of anterior gonopod. Scale bars: 200 μm in B; 100 μm in A and E; 50 μm in others.
FIGURE 4 in Morphological revision of Siphonophora hui (Myriapoda: Diplopoda: Siphonophoridae) from the mid-Cretaceous Burmese amber
FIGURE 4. Adult male of Siphonophora hui Jiang et al., 2019 (NIGP175068). A, Ventral view. B, Ventral view of head. C, Dorsallateral view of 45th to 48th tergites by green fluorescence. Scale bars: 2 mm in A; 0.5 mm in B; 0.2 mm in C.
FIGURE 3 in Morphological revision of Siphonophora hui (Myriapoda: Diplopoda: Siphonophoridae) from the mid-Cretaceous Burmese amber
FIGURE 3. Adult male of Siphonophora hui Jiang et al., 2019 (NIGP175067), detailed structures under CLSM. A, Ventral view of antennomere V to VII (left). B, Dorsal view of antennomere V to VII (left). C, Detailed structures of ozopore. D, Ventral view of gonopods; detailed structures of 1st and 2nd pairs of legs. Scale bars: 500 μm in A and B; 50 μm in C and D.
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