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46 results for “Ophryotrocha”
FIGURE 1 in The Ophryotrocha labronica group (Annelida: Dorvilleidae) — with the description of seven new species
FIGURE 1. Photographs of live animals, larger animals female, smaller animals male, in dorsal view. A, Ophryotrocha costlowi, sp. nov.; B, Ophryotrocha japonica, sp. nov.; C, Ophryotrocha macrovifera, sp. nov.; D, Ophryotrocha robusta, sp. nov.; E, Ophryotrocha rubra, sp. nov., close-up to show red spots; F, Ophryotrocha vellae, sp. nov., egg tube with large number of larvae ready to be released, jaws of individual larvae appear as black spots, female inside tube, head towards right, male on lower surface of tube, head towards left.
FIGURE 4 in The Ophryotrocha diadema group (Annelida: Dorvilleidae), with the description of two new species
FIGURE 4. SEM images of Ophryotrocha alborana, sp. nov.. A, complete adult, dorsal view; B, same, ventral view; C, anterior end, dorsal view; D, same, ventral view; E, posterior end, dorsal view; F, enlargement of last five chaetigers to show mammillate rosette glands, dorsal view; G, mandibles of 14-chaetiger worm, dorsal view; H, same of 13-chaetiger worm, ventral view; I, P2-maxillae of 14-chaetiger animal, ventral view; J, same, dorsal view. G–J by M.O. Macnaughton.
FIGURE 2 in The Ophryotrocha diadema group (Annelida: Dorvilleidae), with the description of two new species
FIGURE 2. SEM images of Ophryotrocha diadema. A, anterior end, dorsal view; B, same, ventral view; C, posterior end, dorsal view; D, enlargement of last two chaetigers to show mammillate rosette glands, dorsal view; E, median parapodium; F, chaetae of same; G, enlarged rosette gland to show perforated top.
FIGURE 6 in The Ophryotrocha diadema group (Annelida: Dorvilleidae), with the description of two new species
FIGURE 6. Maxillary apparatuses of Ophryotrocha birgittae, sp. nov.. A, Larval maxillae (L) of 4-chaetiger worm, dorsal view; B, Juvenile maxillae (P1) of 11-chaetiger worm, dorsal view; C, Adult maxillae (P2) of 13-chaetiger worm, dorsolateral view. Abbreviations: F, forceps; numerals refer to anterior denticles.
FIGURE 3 in The Ophryotrocha diadema group (Annelida: Dorvilleidae), with the description of two new species
FIGURE 3. Mandibles and maxillary forceps, dorsal views. Ophryotrocha diadema (A–C). A, Mandibles of 4-chaetiger worm; B, same of 19-chaetiger worm; C, maxillary forceps of 19-chaetiger worm. Ophryotrocha alborana, sp. nov. (D–F). D, Mandibles of 5-chaetiger worm; E, same of 20-chaetiger worm; F, maxillary forceps of 20-chaetiger worm. Ophryotrocha birgittae, sp. nov. (G–I). G, Mandibles of 4-chaetiger worm; H, mandibles of 19-chaetiger worm; I, maxillary forceps of 19-chaetiger worm.
FIGURE 1 in The Ophryotrocha diadema group (Annelida: Dorvilleidae), with the description of two new species
FIGURE 1. Photographs of live animals, dorsal view. A, Ophryotrocha diadema; B, Ophryotrocha alborana, sp. nov.; C, Ophryotrocha birgittae, sp. nov.
FIGURE 5 in The Ophryotrocha diadema group (Annelida: Dorvilleidae), with the description of two new species
FIGURE 5. SEM images of Ophryotrocha birgittae, sp. nov.. A, complete adult, dorsal view; B, same, ventral view; C, complete juvenile, dorsal view; D, anterior end, dorsal view; E, same, ventral view; F, posterior end, dorsal view; G, part of ciliary band, showing gaps between ciliary bundles.
FIGURE 4 in A new annelid species from whalebones in Greenland and aquaculture sites in Newfoundland: Ophryotrocha cyclops, sp. nov. (Eunicida: Dorvilleidae)
FIGURE 4. Haplotype network from TCS using fifteen COI sequences from the new species, Ophryotrocha cyclops, resulting in twelve haplotypes. Light grey: specimens from the Greenland site; white: specimens from Newfoundland sites A and B; dark grey: specimens from Newfoundland site C.
FIGURE 3 in A new annelid species from whalebones in Greenland and aquaculture sites in Newfoundland: Ophryotrocha cyclops, sp. nov. (Eunicida: Dorvilleidae)
FIGURE 3. Majority rule consensus tree from the Bayesian phylogenetic analyses of a combined dataset with three genes; 16S, COI and H3. Posterior probability values provided at nodes, with asterisks showing mean support values of 95 or higher.
FIGURE 1 in A new annelid species from whalebones in Greenland and aquaculture sites in Newfoundland: Ophryotrocha cyclops, sp. nov. (Eunicida: Dorvilleidae)
FIGURE 1. Ophryotrocha cyclops, sp. nov. (A) Dorsal and (B) ventral view of a whole individual, after preservation in ethanol. (C) Dorsal view of a live specimen, showing light-reflecting, central quasi-fused eye spots (white arrow) and triangular parapodial lobe (black arrow). (D) SEM, K type jaws. (E) SEM, P-type jaws. (F) SEM, P-type maxillae. Scale bars: (A) 1 mm, (C) 500 µm, (B) 1 mm scale interval units, (D) and (E) 200 µm, (F) 50 µm.
FIGURE 2 in A new annelid species from whalebones in Greenland and aquaculture sites in Newfoundland: Ophryotrocha cyclops, sp. nov. (Eunicida: Dorvilleidae)
FIGURE 2. Ophryotrocha cyclops, sp. nov. (A) Light micrograph of parapodium, (B to D) SEM of chaetae. Scale bars: (A) 100 µm, (B) 50 µm, (C) 20 µm, and (D) 100 µm.
Figure 6. Mismatch distributions. A in Comparative phylogeography of two symbiotic dorvilleid polychaetes (Iphitime cuenoti and Ophryotrocha mediterranea) with contrasting host and bathymetric patterns
Figure 6. Mismatch distributions. A, graph for Iphitime cuenoti, represents the mismatch distribution for western Mediterranean basin and Atlantic waters. Graphs for Ophryotrocha mediterranea: B, complete population from the western Mediterranean; C-D, for lineages L1 and L2, respectively. Exp, expected; Obs, observed; SSD, the sum of square deviations between the expected and the observed mismatch. TAU, Theta0 and Theta1 are the mismatch model parameters: TAU, units of mutational time; Theta0, initial population size at equilibrium; Theta1, new population size after growth or shrink.
Figure 5. A in Comparative phylogeography of two symbiotic dorvilleid polychaetes (Iphitime cuenoti and Ophryotrocha mediterranea) with contrasting host and bathymetric patterns
Figure 5. A, median-joining haplotype networks of mtDNA cytochrome c oxidase subunit I sequences for Ophryotrocha mediterranea. Empty circles represent missing haplotypes. Black points represent mutational steps. Circle size and pie size are proportional to the haplotype frequency. B, haplotype distribution in the studied populations of both lineages 1 and 2. WALB, western Alborán; EALB, eastern Alborán; ALBI, Alborán Island; VALE, Valencia; NCAT, northern Catalunya; ALAC, Alicante.
Figure 2. A in Comparative phylogeography of two symbiotic dorvilleid polychaetes (Iphitime cuenoti and Ophryotrocha mediterranea) with contrasting host and bathymetric patterns
Figure 2. A, Iphitime cuenoti, male. B, Iphitime cuenoti, female. C, Ophryotrocha mediterranea. D, Liocarcinus depurator. E, Goneplax rhomboides. F, Macropipus tuberculatus. G, Bathynectes maravigna. H, Geryon longipes.
Figure 4 in Comparative phylogeography of two symbiotic dorvilleid polychaetes (Iphitime cuenoti and Ophryotrocha mediterranea) with contrasting host and bathymetric patterns
Figure 4. Median-joining haplotype networks of mtDNA cytochrome c oxidase subunit I sequences for Iphitime cuenoti in relation to its host crab. Empty circles represent missing haplotypes. Black points represent mutational steps. Circle size and pie size are proportional to the haplotype frequency.
FIGURE 4 in Three new species of Ophryotrocha (Annelida: Dorvilleidae) from a whale-fall in the North-East Atlantic
FIGURE 4. Live photo of Palpiphitime lobifera from whale-fall in Sweden.
FIGURE 11 in The Ophryotrocha diadema group (Annelida: Dorvilleidae), with the description of two new species
FIGURE 11. Age-specific variation in time intervals between consecutive spawnings.
Figure 3 from: Zhang D-s, Zhou Y-d, Wang C-s, Rouse GW (2017) A new species of Ophryotrocha (Annelida, Eunicida, Dorvilleidae) from hydrothermal vents on the Southwest Indian Ridge. ZooKeys 687: 1-9. https://doi.org/10.3897/zookeys.687.13046
Figure 3 - Ophyrotrocha jiaolongi sp. n. SEM images. (a–c, f–h holotype d–e paratype) a mandible, ventral view b forceps with free denticles 1-3 (D1-D3), dorsal view c free denticles 4-5 (D4-D5) d forcep with free denticles 1-3 (D1-D3) e free denticles 5-7 (D5-D7) f supra-acicular simple chaeta g sub-acicular compound chaeta f simple chaetae on sub-acicular lobe. Bars: 200 µm (a, b), 50 µm (c, h), 100 µm (d, e), 10 µm (f, g).
Figure 2 from: Zhang D-s, Zhou Y-d, Wang C-s, Rouse GW (2017) A new species of Ophryotrocha (Annelida, Eunicida, Dorvilleidae) from hydrothermal vents on the Southwest Indian Ridge. ZooKeys 687: 1-9. https://doi.org/10.3897/zookeys.687.13046
Figure 2 - Ophyrotrocha jiaolongi sp. n., holotype. a dorsal view of whole body b ventral view of whole body c dorsal view of anterior region d ventral view of anterior region. Bars: 1 mm (a, b), 0.5 mm (c, d).
Figure 1 from: Zhang D-s, Zhou Y-d, Wang C-s, Rouse GW (2017) A new species of Ophryotrocha (Annelida, Eunicida, Dorvilleidae) from hydrothermal vents on the Southwest Indian Ridge. ZooKeys 687: 1-9. https://doi.org/10.3897/zookeys.687.13046
Figure 1 - a Ophyrotrocha jiaolongi sp. n. (red arrows) specimens in vivo at the hydrothermal vent with mussels b same hydrothermal vent structure where Ophryotrocha specimens collected. Bars: 5 cm (a).
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