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828 results for “ascidian”
Figure 3 in First occurrence of fouling ascidian species Microcosmus squamiger Michaelsen, 1927 and Didemnum ahu Monniot C. & Monniot F., 1987 in İzmir Bay (Eastern Aegean Sea)
Figure 3. (a) Didemnum ahu colony, (b) thorax of a zooid, (c) larva, (d) spicules, (e) larva (Karaburun, 23.11.2015), Scale bars: A, B, C: 1 mm.
Figure 2 in First occurrence of fouling ascidian species Microcosmus squamiger Michaelsen, 1927 and Didemnum ahu Monniot C. & Monniot F., 1987 in İzmir Bay (Eastern Aegean Sea)
Figure 2. (a) Polyclinum sp. (Levent Marina, 24.11.2015), (b-d) Botrylloides leachii colony and detail of zooids (Urla, 26.08.2015), Scale bars: D: 1 mm.
Figure 1 in First occurrence of fouling ascidian species Microcosmus squamiger Michaelsen, 1927 and Didemnum ahu Monniot C. & Monniot F., 1987 in İzmir Bay (Eastern Aegean Sea)
Figure 1. The study area and the locations of sampling stations. S1: Pasaport, S2: Levent Marina, S3: Urla, S4: Mordoğan, S5: Karaburun, S6: Çeşme-Dalyan Marina, and S7: Seferihisar-Sığacık. (Images of the sampling stations were taken from Google Earth).
FIGURE 5 in The non-indigenous stolidobranch ascidian Polyandrocarpa zorritensis in the Mediterranean: description, larval morphology and pattern of vascular budding
FIGURE 5 — Number of zooids per 4 cm2 (average and, in brackets, SD; number of replications: 3) and percentages of large, median and small zooids (see text) in surface (S) and bottom (B) colonies.
FIGURE 4 — Polyandrocarpa zorritensis. A in The non-indigenous stolidobranch ascidian Polyandrocarpa zorritensis in the Mediterranean: description, larval morphology and pattern of vascular budding
FIGURE 4 — Polyandrocarpa zorritensis. A, diagram showing the vascular connection between the zooid and the stolon. bw, body wall; h, heart; s, stolon; sv, stolonic vessel; t, test. B, stolon with buds. a, ampullae; b, bud; nz, developing new zooid; s, stolon; sv, stolonic vessel.
FIGURE 3 — Polyandrocarpa zorritensis. A in The non-indigenous stolidobranch ascidian Polyandrocarpa zorritensis in the Mediterranean: description, larval morphology and pattern of vascular budding
FIGURE 3 — Polyandrocarpa zorritensis. A, Tunic vascular system. Note the large cells adjacent to the vessels and ampullae. B, dissected zooid opened ventrally, part of the branchial wall is removed, the stigmata are not drawn. C, part of branchial wall with fold and incomplete parastigmatic vessels. D, gonad. E, left: unhatched larva; middle: frontal process (a) in which the three adhesive organs are included (b); metamorphosed larva (c). F, intestinal loop drawn from the outer (left) side after removal of the body wall. Note the gastric caecum. Lower: cross section through X X. bw, body wall; e, endocarp; i, intestine.
FIGURE 1 in The non-indigenous stolidobranch ascidian Polyandrocarpa zorritensis in the Mediterranean: description, larval morphology and pattern of vascular budding
FIGURE 1 — The harbour of Taranto with mean water temperature (monthly average on the whole water column). Inset shows the locations where the species has been recorded in the Mediterranean: 1, harbour of La Spezia; 2, Ebro delta; 3, harbour of Taranto.
FIGURE 13. Microcosmus longicloa. A in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 13. Microcosmus longicloa. A, one specimen; B, branchial sac; C, other specimen branchial sac removed; D, spinules. Scale bars = 1cm.
FIGURE 20. Culeolus recumbens. A in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 20. Culeolus recumbens. A two specimens; B, body ventrally opened; C, gut and gonads; D, other specimen ventrally opened; Scale bars = 1cm.
FIGURE 22. Asajirus ovirarus. A in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 22. Asajirus ovirarus. A, whole specimen; B, specimen without tunic; scale bars = 1 cm; C, D, gonads.
FIGURE 17. Culeolus caudatus. A in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 17. Culeolus caudatus. A, one specimen; B, body ventrally opened; C, body without tunic; D, gut and left gonad. Scale bars = 1cm.
FIGURE 5 in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 5. Protoholozoa incrustans sp. nov. A, B, C, three zooids, scale bar = 0.5 mm; D, E, larvae, scale bar = 0.2 mm.
FIGURE 9 in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 9. Pterygascidia kanakae sp. nov. A, anterior part of the body; B, anus and part of dorsal lamina; C, gut and gonads; D, testis lobes and sperm duct. Scale bars A and C = 1cm.
FIGURE 19. Culeolus herdmani. A in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 19. Culeolus herdmani. A, two specimens; B, specimen ventrally opened; C, other specimen ventrally opened; D, gut and gonads. Scale bars = 1cm.
FIGURE 15. Pyura viarecta. A in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 15. Pyura viarecta. A, body ventrally opened; B, same body, branchial sac removed. Scale bars = 1cm.
FIGURE 21 in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 21. Culeolus sp. A, specimen; B, body without tunic; C, body ventrally opened without tunic. Scale bars = 1cm
FIGURE 14. Pyura irregularis. A in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 14. Pyura irregularis. A, branchial tissue; B, body ventrally opened; C, one specimen; D, oral tentacles and dorsal tubercle. Scale bars = 1cm.
FIGURE 11. Cnemidocarpa tinaktae, A in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 11. Cnemidocarpa tinaktae, A, branchial sac ventrally opened; B, body ventrally opened branchial sac removed. Scale bars = 1cm.
FIGURE 10. Cnemidocarpa irene. A in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 10. Cnemidocarpa irene. A, three specimens; B, branchial tissue; D, body wall, gut and gonads. Scale bars = 1cm.
FIGURE 12. Polycarpa papillata. A in New records of deep-sea ascidians (Tunicata, Ascidiacea) from the New Caledonia region
FIGURE 12. Polycarpa papillata. A, two specimens; B, specimen without tunic; C, body ventrally opened; D, branchial tissue. Scale bars = 1cm.
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