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53 results for “Chthamalus”
FIGURE 6 in A new Chthamalus (Crustacea: Cirripedia) from the challengeri subgroup on Taiwan rocky intertidal shores
FIGURE 6. Phylogenetic maximum likelihood (ML) tree of a mitochondrial COI region of Chthamalus barnacles collected in the N.W. Pacific. The topologies of the ML tree and the Bayesian inference (BI) tree are essentially the same. Bootstrap statistical significance (BP) and posterior probabilities (PP) are shown at the major nodes. BP <50 and PP <0.5 are not shown.
FIGURE 5 in A new Chthamalus (Crustacea: Cirripedia) from the challengeri subgroup on Taiwan rocky intertidal shores
FIGURE 5. Chthamalus williamsi sp. nov. Morphology of mouth parts, penis and cirral setae (SEM) A. Maxilla, B. Serrulate setae on maxilla, C. Maxillule, D. Cutting edge of maxillule, E. Mandible, F. Lower margin of mandible, G. Labrum, H. Anterior margin of labrum, inner view, I. Penis, terminal part, J. Tip of penis, K. Serrulate setae on cirrus I., L. Serrulate setae on posterior side of cirrus I. Scale bars in µm.
FIGURE 4 in A new Chthamalus (Crustacea: Cirripedia) from the challengeri subgroup on Taiwan rocky intertidal shores
FIGURE 4. Chthamalus williamsi sp. nov. Morphology of cirri (SEM—A–I; light microscopy—J, K). A. Cirrus I, B. Tip of cirrus I, showing the serrulate setae, C. Serrulate setae on posterior ramus. D. Cirrus II, E. Tip of cirrus II, showing the saw-like serrulate setae, F. Serrulate setae on anterior ramus of cirrus II, G. Cirrus III, H. Intermediate segments of anterior ramus of cirrus III, I. Serrulate setae of cirrus III, J. Intermediate segments of anterior ramus of cirrus V. H. Intermediate segments of anterior ramus of cirrus VI. Scale bars in µm.
FIGURE 2 in A new Chthamalus (Crustacea: Cirripedia) from the challengeri subgroup on Taiwan rocky intertidal shores
FIGURE 2. Chthamalus williamsi sp. nov., shell morphology A. Group of individuals on shell of Megabalanus volcano, top view. B. Uneroded specimen, top view. C. Holotype, external morphology, top view. D. Shell plates, inner view. E. Scutum and tergum, inner surface. F. scutum and tergum, exterior surface. Scale bars in mm.
FIGURE 1 in A new Chthamalus (Crustacea: Cirripedia) from the challengeri subgroup on Taiwan rocky intertidal shores
FIGURE 1. Map of Taiwan, showing collection sites of Chthamalus williamsi sp. nov. Empty circles indicate C. williamsi sp. nov. was absent from samples. Solid circle indicates sites where C. williamsi sp. nov. was collected.
FIGURE 3 in A new Chthamalus (Crustacea: Cirripedia) from the challengeri subgroup on Taiwan rocky intertidal shores
FIGURE 3. Chthamalus williamsi sp. nov. Line drawing of cirri under stereomicroscope. A. Cirrus I, B. Cirrus II, C. Cirrus III, D. Cirrus IV, E. Cirrus V, F. Cirrus VI. Scale bars in µm.
Figure 9 in Molecular analysis reveals a cryptic species of Chthamalus (Crustacea: Cirripedia) in the Cape Verde Islands
Figure 9. Chthamalus stellatus reproduced from Southward (1976: fig. 1). Interior views of opercular plates from different localities in the Mediterranean and East Atlantic. A, Banyuls-sur-Mer, France. B, Tantura, Israel. C, Tinside, Plymouth, UK. D, Azores, Portugal. E, F, Kerry Head, Ireland. G, Cape Verde Islands. H, Cape Cornwall, UK. J, Rame Head, Cornwall, UK. K, Brook, Isle of Wight, UK.
Figure 6 in Molecular analysis reveals a cryptic species of Chthamalus (Crustacea: Cirripedia) in the Cape Verde Islands
Figure 6. Chthamalus sp. from Praia, Cape Verde. Cirri. A, cirrus I. B, cirrus II. C, cirrus III. D, cirrus IV. E, cirrus VI and penis. F, spines on anterior ramus of cirrus I. G, terminal articles of cirrus II. H, enlargement of setae of cirrus II; arrows indicate basal guards.
Figure 4. Shell and opercular valves. A in Molecular analysis reveals a cryptic species of Chthamalus (Crustacea: Cirripedia) in the Cape Verde Islands
Figure 4. Shell and opercular valves. A, Chthamalus sp. from Praia, Cape Verde, top view. B–D, scutum and tergum inner view: B, Chthamalus sp. from Praia, Cape Verde; C, Chthamalus stellatus from Las Palmas, Gran Canaria, Canary Islands; D, C. stellatus from Biarritz, France. E, scutum and tergum outer view, Chthamalus sp. from Praia, Cape Verde.
Figure 11. A in Molecular analysis reveals a cryptic species of Chthamalus (Crustacea: Cirripedia) in the Cape Verde Islands
Figure 11. A minimum variance principal coordinates analysis, based on the nuclear EF1 and NaKA genes, demonstrating the relationship between Cape Verde and ten other populations of Chthamalus stellatus.
Figure 3. Four dendrograms depicting the hierarchical relationship between the nine Chthamalus populations. A in Molecular analysis reveals a cryptic species of Chthamalus (Crustacea: Cirripedia) in the Cape Verde Islands
Figure 3. Four dendrograms depicting the hierarchical relationship between the nine Chthamalus populations. A, Pearson's correlation coefficient with UPGMA amalgamation. B, modified Morisita's similarity coefficient with farthest neighbour amalgamation. C, squared Euclidean distance with minimum variance amalgamation. D, Manhattan distance with nearest neighbour amalgamation.
Figure 5 in Molecular analysis reveals a cryptic species of Chthamalus (Crustacea: Cirripedia) in the Cape Verde Islands
Figure 5. Chthamalus sp. from Praia, Cape Verde. Trophi. A, labrum and labial palp. B, Isolated labial palp. C, pair of maxillae. D, isolated maxilla. E, maxillule. F, mandible.
Figure 2 in Molecular analysis reveals a cryptic species of Chthamalus (Crustacea: Cirripedia) in the Cape Verde Islands
Figure 2. Chthamalus stellatus reproduced from Southward (1976: plate II). A, conical spines found at the base of the anterior ramus of cirrus I. B, D, denticulate setae on cirrus II.
Figure 12 in Molecular analysis reveals a cryptic species of Chthamalus (Crustacea: Cirripedia) in the Cape Verde Islands
Figure 12. Scheme illustrating the main geographical features and mean oceanographic surface currents (italics), drawn from Pelegrí & Peña-Izquierdo (2015), © UNESCO, http://hdl.handle.net/1834/9135.
Figure 10 in Molecular analysis reveals a cryptic species of Chthamalus (Crustacea: Cirripedia) in the Cape Verde Islands
Figure 10. Chthamalus stellatus reproduced from Pilsbry (1916: fig. 84, p. 303). A, terminal article with denticulate setae of cirrus II. B, mandibular palpus. C, maxillule. D, mandible.
FIGURE 9 in A new intertidal barnacle, Chthamalus ngankeeae sp. nov. (Balanomorpha: Chthamalidae) from the Malaysian Peninsula and western Borneo waters
FIGURE 9. Maximum likelihood tree of Chthamalidae sequences based on (A) COI and (B) NAK datasets by IQ-TREE. SHaLRT and ultrafast bootstrap support values for ML are presented at nodes>95. The specimens of Chthamalus ngankeeae sp. nov. from West and East Malaysia are indicated by asterisks and circles, respectively.
FIGURE 7 in A new intertidal barnacle, Chthamalus ngankeeae sp. nov. (Balanomorpha: Chthamalidae) from the Malaysian Peninsula and western Borneo waters
FIGURE 7. Chthamalus ngankeeae sp. nov., holotype, ASIZCR000458: A, mandibles; B. 1st–3rd tooth of mandible; C. 2nd–4th tooth of mandible and lower margin; D. mandibulatory palp; E. serrulate setae at mandibulatory palp; F. labrum; G. notch of labrum; H. cutting edge of labrum. Scale bars in μm.
FIGURE 6 in A new intertidal barnacle, Chthamalus ngankeeae sp. nov. (Balanomorpha: Chthamalidae) from the Malaysian Peninsula and western Borneo waters
FIGURE 6. Chthamalus ngankeeae sp. nov., holotype, ASIZCR000458: A. maxilla; B. simple setae of maxilla; C. serrulate setae of maxilla; D. short setae at the minor lobe of maxilla; E. maxillule; F. setae above notch at the cutting margin of maxillule; G. setae at the cutting margin of maxillule; H. setae at the lower margin of maxillule. Scale bars in μm.
FIGURE 5 in A new intertidal barnacle, Chthamalus ngankeeae sp. nov. (Balanomorpha: Chthamalidae) from the Malaysian Peninsula and western Borneo waters
FIGURE 5. Chthamalus ngankeeae sp. nov., holotype, ASIZCR000458: A. cirrus V; B. intermediate segments of cirrus V; C. distal end of anterior ramus of cirrus V; D. cirrus VI; E. intermediate segments of posterior ramus of cirrus VI; F. distal end of anterior ramus of cirrus VI; G. penis; H. tip of penis. Scale bars in μm.
FIGURE 4 in A new intertidal barnacle, Chthamalus ngankeeae sp. nov. (Balanomorpha: Chthamalidae) from the Malaysian Peninsula and western Borneo waters
FIGURE 4. Chthamalus ngankeeae sp. nov., holotype, ASIZCR000458: A. cirrus III; B. intermediate segment of posterior ramus of cirrus III; C. intermediate segment of anterior ramus of cirrus III; D. distal end of anterior ramus of cirrus III; E. cirrus IV; F. intermediate segments in cirrus IV; G. distal region of posterior ramus of cirrus IV; H. distal end of anterior ramus of cirrus IV. Scale bars in μm.
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