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939 results for “Nudibranchia”
Figure 5 in A new large and colourful species of the genus Doto (Nudibranchia: Dotidae) from South Africa
Figure 5. Living specimens. (A) Doto coronata (Gmelin, 1791). Specimen from Northern Ireland. Photo by Bernard Picton; (B) Doto cf. coronata. Specimen from South Africa, Cape Province, Oudekraal. Photo by T.M. Gosliner; (C) Doto rosea Trinchese, 1881. Specimen from Catalunia, Spain Photo by Antoni López-Arenas; (D) Doto pinnatifida (Montagu, 1804). Specimen from Northern Ireland. Photo by Bernard Picton.
Figure 2 in A new large and colourful species of the genus Doto (Nudibranchia: Dotidae) from South Africa
Figure 2. Doto splendida nov. sp. Paratype (CASIZ176123), SEM pictures of the radula and penis. (A) Radula, scale bar: 10 μm; (B) detail of the teeth, scale bar: 3 μm; (C) penis, scale bar: 10 μm; (D) detail of the penis, scale bar: 10 μm.
Figure 3 in A new large and colourful species of the genus Doto (Nudibranchia: Dotidae) from South Africa
Figure 3. Reproductive system of Doto splendida nov. sp. Paratype (CASIZ176123). Abbreviations: am, ampulla; fglm, female gland mass; hd, hermaphrodite duct; ov, oviduct; pb, penial bulb; pr, prostate; sr, seminal receptacle; v, vagina; vd, vas deferens. Scale bars, 1 mm.
FIGURE 2 in A new species of Trapania (Nudibranchia: Goniodorididae) from Western Australia with comparisons to other IndoWest Pacific Trapania
FIGURE 2. Trapania safracornia (CASIZ 156067), A, Camera lucida drawing of buccal bulb. Scale = 5.8 mm. B, Camera lucida drawing of Central Nervous System. Scale = 0.13 mm. Abbreviations: bg, buccal ganglia; bp, buccal pump; cplc, cerebral pleural complex; e, esophagus; j, jaw; og, oral glands; pc, pedal commissure; p 1 3, pedal nerves; pg, pedal ganglia; cplc 1 3, cerebral pleural complex nerves; ppc, parapedal commissure; r, radula; rh, rhinophoral nerve; s, salivary glands; vl, visceral loop.
FIGURE 4 in A new species of Trapania (Nudibranchia: Goniodorididae) from Western Australia with comparisons to other IndoWest Pacific Trapania
FIGURE 4. Trapania safracornia (CASIZ 156067), Reproductive organs. Abbreviations: am, ampulla; bc, bursa copulatrix; dd, deferent duct; fgm, female gland mass; p, penis; pr, prostate; ps, penial spines; rs, receptaculum seminis; v, vagina; vd, vaginal duct. Scale bar = 0.25 mm.
FIGURE 1 in A new species of Trapania (Nudibranchia: Goniodorididae) from Western Australia with comparisons to other IndoWest Pacific Trapania
FIGURE 1. Trapania safracornia: Dorsal views of living animal; photos taken by Graeme Gunness. A, CASIZ 156067, Holotype; B, Two uncollected specimens. C, D, Camera lucida drawings of living animal showing the color pattern (C, paratype; D, holotype). Approximate size in life: 7 mm.
FIGURE 3 in A new solar powered species of the genus Phyllodesmium Ehrenberg, 1831 (Mollusca: Nudibranchia: Aeolidoidea) from Indonesia with analysis of its photosynthetic activity and notes on biology
FIGURE 3: Phyllodesmium jakobsenae, hard structures in digestive system: A: Right jaw seen from the outside. B: Left jaw from the inside, denticles at the masticatory border seen from the inside. C: Distal part of radula of specimen No. 5. D: Closeup of distal part of radula of specimen No. 5; note the worn denticles on the edge of the rhachidian teeth .. E: Distal part of radula of specimen No. 3. F: Different angle of view of rhachidian cusps from No. 3. G: Part of the radula of specimen No. 3.
FIGURE 3 in A new species of Trapania (Nudibranchia: Goniodorididae) from Western Australia with comparisons to other IndoWest Pacific Trapania
FIGURE 3. Trapania safracornia (CASIZ 156067), AC. Radular morphology, scanning electron micrographs. A, Whole radula. B, Inner denticles, rows 10 12. C, Outer denticles, rows 12 14. D, Jaw rodlets, digital image from compound microscope.
FIGURE 4 in A new solar powered species of the genus Phyllodesmium Ehrenberg, 1831 (Mollusca: Nudibranchia: Aeolidoidea) from Indonesia with analysis of its photosynthetic activity and notes on biology
FIGURE 4: Phyllodesmium jakobsenae, histology: A: View of ceras from side orientated to light. Note the dense branches along the whole ceras. B: View of ceras from side orientated away from light. Note the main branch of digestive gland and the fewer ramifications. C: Cnidosac of large ceras with no nematocysts. D: Digestive glandular branches beneath epidermis in large ceras. Note the many zooxanthellae especially in the digestive glandular tissue. E: Longitudinal section of small ceras with cnidosac. The digestive glandular duct is not branching, and shows glandular cells. The cnidosac is filled with many tiny nematocysts. The epidermis shows many glandular cells, beneath the epidermis a layer of “ cellules spéciales ” can be seen. F: Section trough eye and statocyst with one statolith. G: Small part of the oral gland with outleading duct. Abbreviations: cn cnidosac, cs “ cellules spéciales ”, e eye, mc mucous cells, st statocyst.
FIGURE 1 in A new solar powered species of the genus Phyllodesmium Ehrenberg, 1831 (Mollusca: Nudibranchia: Aeolidoidea) from Indonesia with analysis of its photosynthetic activity and notes on biology
FIGURE 1: Phyllodesmium jakobsenae, living animals from North Sulawesi: A: Specimen laying eggs in an aquarium. B: Two specimens sitting in their food coral Xenia: on the right side a specimen with more brownish cerata and to the left a bigger specimen with more whitish cerata. Polyps of Xenia surround both individuals. C: Bigger specimen from B; please note the smaller cerata in the anterior part of body and the oral tentacles stretched to the lateral sides. D: Animal sitting inactive and mimicking Xenia polyps. E: Specimen starting to crawl.
FIGURE 5 in Diaphorodoris alba Portmann & Sandmeier, 1960 is a valid species: molecular and morphological comparison with D. luteocincta (M. Sars, 1870) (Gastropoda: Nudibranchia)
FIGURE 5. The tree portrays the phylogenetic relationships based on the H 3 + COI + 16 S combined dataset. Numbers at nodes are Bayesian posterior probability (pp., left) and ML bootstrap support (bs., right), respectively.
FIGURE 2 in Diaphorodoris alba Portmann & Sandmeier, 1960 is a valid species: molecular and morphological comparison with D. luteocincta (M. Sars, 1870) (Gastropoda: Nudibranchia)
FIGURE 2. SEM images of the buccal apparatus from Diaphorodoris alba (A, C, E) and D. luteocincta (B, D, F) specimens at different magnification levels.
Figure 51 in A phylogenetic analysis and systematic revision of the cryptobranch dorids (Mollusca, Nudibranchia, Anthobranchia)
Figure 51. Arbitrarily selected tree to trace the character evolution within the cryptobran dorids. Numbers refer to characters listed in the text. Characters printed in bold and italic face presented at least one instance of reversal.
Figure 50 in A phylogenetic analysis and systematic revision of the cryptobranch dorids (Mollusca, Nudibranchia, Anthobranchia)
Figure 50. Majority rule (50%) consensus tree of the phylogenetic relationships of the cryptobranch dorids with the percentage level of consensus.
Figure 48 in A phylogenetic analysis and systematic revision of the cryptobranch dorids (Mollusca, Nudibranchia, Anthobranchia)
Figure 48. Morphology of the caecum. A, Doris verrucosa (CASIZ 082119); scale bar = 1 mm. B, Calycidoris guntheri (CASIZ 086915); scale bar = 1 mm.
Figure 49 in A phylogenetic analysis and systematic revision of the cryptobranch dorids (Mollusca, Nudibranchia, Anthobranchia)
Figure 49. Strict consensus tree of the phylogenetic relationships of the cryptobranch dorids with the Bremer support values in terms of steps.
Figure 47 in A phylogenetic analysis and systematic revision of the cryptobranch dorids (Mollusca, Nudibranchia, Anthobranchia)
Figure 47. SEM images of dorsal tubercles. A, Onchidoris bilamellata (CASIZ 070511); scale bar = 430 Mm. B, Actinocyclus verrucosus (CASIZ 099250), scale bar = 600 Mm. C, Discodoris boholiensis (CASIZ 083654); scale bar = 150 Mm. D, Diaulula sandiegensis (CASIZ 068277); scale bar = 250 Mm.
Figure 46 in A phylogenetic analysis and systematic revision of the cryptobranch dorids (Mollusca, Nudibranchia, Anthobranchia)
Figure 46. Conualevia marcusi (CASIZ 071531). A, general view of the anatomy; scale bar = 1 mm. B, reproductive system; scale bar = 1 mm. C, lateral view of the buccal bulb; scale bar = 0.5 mm. D, central nervous system; scale bar = 0.5 mm. E, ventral view of the mouth area; scale bar = 1 mm.
Figure 45 in A phylogenetic analysis and systematic revision of the cryptobranch dorids (Mollusca, Nudibranchia, Anthobranchia)
Figure 45. Conualevia marcusi (CASIZ 071531), SEM images of a rhinophore and the penis. A, rhinophore; scale bar = 150 Mm. B, penis; scale bar = 150 Mm.
Figure 43 in A phylogenetic analysis and systematic revision of the cryptobranch dorids (Mollusca, Nudibranchia, Anthobranchia)
Figure 43. Sebadoris nubilosa (CASIZ 071727). A, general view of the anatomy; scale bar = 1 mm. B, reproductive system; scale bar = 1 mm. C, detail of several reproductive organs; scale bar = 1 mm. D, central nervous system; scale bar = 1 mm. E, lateral view of the buccal bulb; scale bar = 1 mm. F, ventral view of the mouth area; scale bar = 1 mm.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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