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828 results for “ascidian”
Figure 2 in The colonial ascidian fauna of Fiordland, New Zealand, with a description of two new species
Figure 2. Botryllus stewartensis (NIWA 49968): (A) part of a colony showing zooids arranged on sand-coated lobes; (B) zooid; (C) testis follicle; (D1, D2) parietal and mesial sides of the stomach. Scale bars: A, 10 mm; B, 1 mm; C, D 0.5 mm.
Figure 1 in The colonial ascidian fauna of Fiordland, New Zealand, with a description of two new species
Figure 1. Map of Fiordland on the south-west coast of the South Island, New Zealand showing location of sampling stations.
Figure 13 in The colonial ascidian fauna of Fiordland, New Zealand, with a description of two new species
Figure 13. In situ images of: (A) Diplosoma listerianum (NIWA 49936); (B) Diplosoma velatum (NIWA 49990); (C) Diplosoma velatum (NIWA 49991).
Figure 11 in The colonial ascidian fauna of Fiordland, New Zealand, with a description of two new species
Figure 11. In situ images of: (A) Eudistoma circumvallatum (NIWA 49966); (B) Pseudodistoma cereum (NIWA 49992); (C) Pseudodistoma novaezelandiae (MNP7398) from the Kermadec Islands; (D) Trididemnum shawi sp. nov. (NIWA 10872, holotype); (E) Didemnum jucundum (NIWA 10873); (F) Didemnum lithostrotum (NIWA 49980).
Figure 10 in The colonial ascidian fauna of Fiordland, New Zealand, with a description of two new species
Figure 10. Aplidium coronum sp. nov. (NIWA 49995, holotype): (A) thorax and abdomen; (B) branchial siphon; (C) post-abdomen; (D) larva; scale bars: A, C, 1 mm; B, 0.1 mm; D, 0.5 mm.
FIGURE 7 in Two newly recorded invasive alien ascidians (Chordata, Tunicata, Ascidiacea) based on morphological and molecular phylogenetic analysis in Korea*
FIGURE 7. Phylogenetic relationship of some ascidians including three invasive alien species inferred from mt–COI dataset. Species, sampling locations in Korea and Genbank accession numbers were given and numbers on branches were Bayesian posterior probabilities (if ≥ 0.80). The tree was rooted with Branchiostoma floridae. The scale bar represents the number of expected changes per site.
FIGURE 6 in Two newly recorded invasive alien ascidians (Chordata, Tunicata, Ascidiacea) based on morphological and molecular phylogenetic analysis in Korea*
FIGURE 6. Phylogenetic relationship of some ascidians including four invasive alien species inferred from nuclear 18S rDNA dataset. Species, sampling locations in Korea and Genbank accession numbers were given and numbers on branches were Bayesian posterior probabilities (if ≥ 0.80). The tree was rooted with Branchiostoma floridae. The scale bar represents the number of expected changes per site.
FIGURE 3 in Two newly recorded invasive alien ascidians (Chordata, Tunicata, Ascidiacea) based on morphological and molecular phylogenetic analysis in Korea*
FIGURE 3. Different invasive ascidians attached to same rope at different dates at Tongyeong yacht marina: A, B, S. plicata (Oct. 2010); C, D, A. aspersa (June 2011). The red arrow indicates that an individual of S. plicata was surrounded by several individuals of A. aspersa.
FIGURE 5 in Two newly recorded invasive alien ascidians (Chordata, Tunicata, Ascidiacea) based on morphological and molecular phylogenetic analysis in Korea*
FIGURE 5. Molgula manhattensis: A, C, Individuals densely aggregated on a rope; B, Individuals on a fish trap; D, Right side; E, Left side; F, Sagittal section of branchial sac; G, Oral and Atrial siphon; H, Tentacles; I, Dorsal tubercle; J, Six folds of branchial sac; K, Stigmata; L, Individuals attached to fish trap. 1—oral siphon, 2—atrial siphon, 3—tentacles, 4—dorsal tubercle, 5—folds of branchial sac, 6—stigmata, 7—intestine, 8—gonads, 9—renal sac, 10—tunic, 11—endostyle. Scale bars: A–B. 50 mm; C–F, L. 5 mm; G–K. 1 mm.
FIGURE 2 in Two newly recorded invasive alien ascidians (Chordata, Tunicata, Ascidiacea) based on morphological and molecular phylogenetic analysis in Korea*
FIGURE 2. Five invasive alien ascidians at four collection sites in Korea: A, C. lepadiformis attached to dock wall at 4.7 m depth in Busan port; B, A. aspersa attached to ropes at Tongyeong yacht marina; C, C. intestinalis attached on thick cloth at Gampo harbor; D, M. manhattensis attached on floating buoy at Mokpo yacht marina; E, S. plicata attached to rope at Tongyeong yacht marina. Scale bars: A–E. 10 cm.
FIG. 19 in Deep-water ascidians from the south-western Atlantic (RV Dmitry Mendeleev, cruise 43 and Academic Kurchatov, cruise 11)
FIG. 19. Corynascidia suhmi: (A) specimen with test removed; (B) dorsal area; (C) part of the branchial sac; (D) gut loop of another specimen.
FIG. 10 in Deep-water ascidians from the south-western Atlantic (RV Dmitry Mendeleev, cruise 43 and Academic Kurchatov, cruise 11)
FIG. 10. Kaikoja multitentaculata (Vinogradova, 1975): (A) tentacles; (B) branchial perforations and papillae.
FIGURE 7. A in Some new data on tropical western Pacific Ascidians
FIGURE 7. A: Didemnum nocturnum. B: Didemnum parau. C: Didemnum rodriguesi. D: Lissoclinum bistratum.
FIG. 12 in Deep-water ascidians from the south-western Atlantic (RV Dmitry Mendeleev, cruise 43 and Academic Kurchatov, cruise 11)
FIG. 12. (A±C) Octacnemus kottae sp. n.: (A) branchial sac opened ventrally; (B) branchial perforations (schematic); (C) dorsal area. (D) Octacnemus sp.: empty test (drawing of N. G. Vinogradova).
FIG. 11 in Deep-water ascidians from the south-western Atlantic (RV Dmitry Mendeleev, cruise 43 and Academic Kurchatov, cruise 11)
FIG. 11. Octacnemus kottae sp. n.: (A) intact specimen; (B) dorsal area between branchial and atrial apertures (c.a., cloacal aperture; v.m., visceral mass).
FIG. 9 in Deep-water ascidians from the south-western Atlantic (RV Dmitry Mendeleev, cruise 43 and Academic Kurchatov, cruise 11)
FIG. 9. Megalodicopia rineharti (Monniot and Monniot, 1989): (A) branchial sac; (B) body removed from the test; (C) branchial perforations.
FIG. 21. Cnemidocarpa bathyphila Millar, 1955 in Deep-water ascidians from the south-western Atlantic (RV Dmitry Mendeleev, cruise 43 and Academic Kurchatov, cruise 11)
FIG. 21. Cnemidocarpa bathyphila Millar, 1955: (A) opened specimen; (B) right gonad of another specimen.
FIGURE 14 in Some new data on tropical western Pacific Ascidians
FIGURE 14. Leptoclinides planus: n. sp. A: thorax, B: larva, C: abdomen with an additional testis, D: abdomen with a single testis. Scale bars 0.5mm.
FIGURE 8 in Some new data on tropical western Pacific Ascidians
FIGURE 8. Spicules: A: Didemnum parau. B: Didemnum rodriguesi. C: Lissoclinum roseum. D: Lissoclinum timorensis. Scale bars: 10µm.
FIG. 17 in Deep-water ascidians from the south-western Atlantic (RV Dmitry Mendeleev, cruise 43 and Academic Kurchatov, cruise 11)
FIG. 17. Corynascidia lambertae sp. n.: (A) gut loop; (B, C) holotype without test from right and left sides; (D) part of the branchial sac; (E) dorsal area.
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