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48 results for “Styelidae”
Figure 1 in Novel Australian Polyzoinae (Styelidae, Tunicata)
Figure 1. (A) Polyandrocarpa colemani (QM G308755): left and right pallial wall showing gut and gonads. (B, C) Polyandrocarpa colligata (QM G308758): (B) colony surface; (C) gut loop. (D–H) Oculinaria australis (SAM E3267): (D) portion of colony; (E) inner pallial body wall on right showing gonads; (F) inner pallial body wall on left showing gut and gonads; (G, H) siphonal spines. In (G), the open base of the spine in the centre of the light micrograph is showing; in all the other spines, only the hollow centres of the pointed tips are in focus. Scale bars: 1.0 mm (A); 2.0 mm (B, D–F); 0.2 mm (C); 0.05 mm (G, H).
Figure 2 in Novel Australian Polyzoinae (Styelidae, Tunicata)
Figure 2. Stolonica styeliformis (QM G308759). (A) External view of zooids; (B) internal pallial body wall on right. Scale bars: 2 mm (A); 1.0 mm (B).
Figure 3 in Novel Australian Polyzoinae (Styelidae, Tunicata)
Figure 3. Stolonica vermiculata sp. nov. (QM G308756, holotype). (A) Colony surface; (B) ventral view of zooid showing rectum curving around branchial sac; (C) dorsal view of internal body wall of the zooid, branchial sac and the upper half of the zooid removed; (D) testis follicles; (E) larva. Scale bars: 0.2 mm (A); 0.4 mm (B, C); 0.1 mm (D, E).
Figure 4 in Novel Australian Polyzoinae (Styelidae, Tunicata)
Figure 4. Botryllocarpa elongata (SAM E3232). (A) Zooid; (B) gut loop. Scale bars: 0.1 mm.
FIGURE 3. Polyzoa atlantica n in A new species of Polyzoa (Ascidiacea: Styelidae) from the Atlantic coast of N America, U. S. A.
FIGURE 3. Polyzoa atlantica n.sp. A zooid opened ventrally; branchial sac removed to show gonads, endocarps, and gut loop. B Gut loop of another zooid. C Tailed larva.
FIGURE 2. Polyzoa atlantica n in A new species of Polyzoa (Ascidiacea: Styelidae) from the Atlantic coast of N America, U. S. A.
FIGURE 2. Polyzoa atlantica n.sp. Zooid opened ventrally and stained with methylene blue to show the structure of the branchial sac. Note the presence of only three internal longitudinal vessels on each side of the branchial sac.
FIGURE 1. Polyzoa atlantica n in A new species of Polyzoa (Ascidiacea: Styelidae) from the Atlantic coast of N America, U. S. A.
FIGURE 1. Polyzoa atlantica n.sp. A and B a colony consisting of several zooids attached to the test of the solitary ascidian Molgula occidentalis. C zooids separated from the substrate.
FIGURE 3. A in A new species of Monandrocarpa (Ascidiacea, Styelidae) from Vanuatu I. (South Pacific Ocean)
FIGURE 3. A, body opened along the ventral line, branchial sac removed; B, detail of the gut: C, detail of some of the left polycarps. Scale bars: A = 5mm; B,C = 1mm.
FIGURE 4 in Styela cearense n. sp. (Ascidiacea: Styelidae) from the Northeastern Brazilian Coast
FIGURE 4. Illustration of a dissected specimen of Styela cearense n. sp. showing internal organs: dt—dorsal tubercle, ot—oral tentacles, ov—ovary, ft—follicle testis, ed—endocarp, st—stomach, pc—pyloric caecum, int—intestine. Scale bar =2mm.
FIGURE 2. Styela cearense n in Styela cearense n. sp. (Ascidiacea: Styelidae) from the Northeastern Brazilian Coast
FIGURE 2. Styela cearense n. sp.: A. Atrial tentacles—at (scale bar = 0.4mm). B. Spines of atrial velum (scale bar = 12µm). C. Branchial sac showing rows of stigmata—stg, branchial folds—bf and parastigmatic vessels—pv. D. Anal margin—am (scale bar = 0.3mm).
FIGURE 7. Polycarpa zorritensis. A and B in A new species of Polyandrocarpa (Ascidiacea, Styelidae) in the Mediterranean Sea
FIGURE 7. Polycarpa zorritensis. A and B, body and branchial sac of a zooid from California; C, D and E, body, polycarps and branchial sac of a zooid from Japan. Scale bars: A, B = 5mm; C = 4mm, E = 2mm.
FIGURE 5 in A new species of Polyandrocarpa (Ascidiacea, Styelidae) in the Mediterranean Sea
FIGURE 5. Polycarpa zorritensis colonies: A, from Brazil; B, from Florida; C, from California; D, from Japan. Scale bars: A = 5mm; B, C, D = 1cm.
FIGURE 3. Polyandrocarpa zorritensis. A in A new species of Polyandrocarpa (Ascidiacea, Styelidae) in the Mediterranean Sea
FIGURE 3. Polyandrocarpa zorritensis. A, part of a colony; B zooid extracted from the tunic; C, three polycarps. Scale bars: A = 1cm; C = 5mm.
FIGURE 4. Polyandrocarpa zorritensis from Tarento, Italy. A in A new species of Polyandrocarpa (Ascidiacea, Styelidae) in the Mediterranean Sea
FIGURE 4. Polyandrocarpa zorritensis from Tarento, Italy. A, dissection and B, branchial sac of a same zooid; C, dissection and D, part of the branchial sac of another zooid. Scale bars: A, B, C = 5mm.
FIGURE 1. Polyandrocarpa arianae n in A new species of Polyandrocarpa (Ascidiacea, Styelidae) in the Mediterranean Sea
FIGURE 1. Polyandrocarpa arianae n. sp. A, part of a colony; B, individual without tunic; C,D, left and right sides of a specimen removed from tunic. Scale bars: A = 1cm; C,D = 4mm.
FIGURE 8. Polyandrocarpa rollandi from New Caledonia. A in A new species of Polyandrocarpa (Ascidiacea, Styelidae) in the Mediterranean Sea
FIGURE 8. Polyandrocarpa rollandi from New Caledonia. A part of a colony; B, zooids removed from tunic; C and D, body and branchial sac ventrally opened; E and F isolated polycarps. Scale bars: A = 2cm; B, C, D = 5mm; E = 0.5mm.
FIGURE 6. Polycarpa zorritensis. A and B in A new species of Polyandrocarpa (Ascidiacea, Styelidae) in the Mediterranean Sea
FIGURE 6. Polycarpa zorritensis. A and B, branchial sac and body of a zooid from Florida. C, specimen from Brazil ventrally opened showing incubated embryos. Scale bars: A, B, C = 2mm.
FIGURE 2. Polyandrocarpa arianae n in A new species of Polyandrocarpa (Ascidiacea, Styelidae) in the Mediterranean Sea
FIGURE 2. Polyandrocarpa arianae n. sp. A, several polycarps; B, branchial tissue of a specimen from "Medits"; C, internal side of the atrial siphon; D, branchial sac and E, body wall of a specimen from Corsica. Scale bars: A = 0.5mm; B = 1cm; C = 1mm; D, E = 5mm.
FIGURE 19. Styela canopus station B 197. A in Ascidians collected during the Madibenthos expedition in Martinique: 2. Stolidobranchia, Styelidae
FIGURE 19. Styela canopus station B 197. A, body ventrally opened scale bar = 1cm; B, branchial sac stained, scale bar = 5mm.
FIGURE 6. Polyandrocarpa arianae. A in Ascidians collected during the Madibenthos expedition in Martinique: 2. Stolidobranchia, Styelidae
FIGURE 6. Polyandrocarpa arianae. A, zooid ventrally opened and stained, scale bar = 5mm; B, colony, scale bar = 1cm.
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