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30 results for “Eolepadidae”
FIGURE 1 in Ashinkailepas kermadecensis, a new species of deep-sea scalpelliform barnacle (Thoracica: Eolepadidae) from the Kermadec Islands, southwest Pacific
FIGURE 1. Ashinkailepas kermadecensis Buckeridge sp. nov. Paratype NIWA-18008 (Plate 1: Figure 1). Capitulum comprising eight approximate, calcareous plates: carina (c), rostrum (r) and paired terga (t), scuta (s) and medial latera (ml); is = imbricating scale of the peduncle; oa = occludent angle of tergum. Note the broadly arched profile of the carina, and on the tergum, the weak longitudinal ridge on the scutal side that extends to a point near the apex of the medial latus.
FIGURE 3 in Ashinkailepas kermadecensis, a new species of deep-sea scalpelliform barnacle (Thoracica: Eolepadidae) from the Kermadec Islands, southwest Pacific
FIGURE 3. Ashinkailepas kermadecensis Buckeridge sp. nov. Appendages (setae not shown). A: Cirrus I; B: Cirrus II; C: Basal segment of cirrus VI, showing short, blunt, uniarticulate caudal appendage at base.
FIGURE 2 in Ashinkailepas kermadecensis, a new species of deep-sea scalpelliform barnacle (Thoracica: Eolepadidae) from the Kermadec Islands, southwest Pacific
FIGURE 2. Ashinkailepas kermadecensis Buckeridge sp. nov. Trophi. A: Left mandible; B: Left second maxilla; C: Labrum with palps (setae not shown).
FIGURE 5 in A new deep-sea scalpelliform barnacle, Vulcanolepas buckeridgei sp. nov. (Eolepadidae: Neolepadinae) from hydrothermal vents in the Lau Basin
FIGURE 5. Vulcanolepas buckeridgei sp. nov. (holotype). A. magnified view of protuberant segments of the posterior (pos) and anterior rami (ant) of cirrus I. B. Simple setae of the anterior ramus of cirrus I. C. Serrulate setae of anterior ramus of cirrus I. D. Distal segments of anterior ramus of cirrus I E. Maxilla. F. Serrulate setae on the cutting margin of the maxillule. G. Maxillule. H. simple robust setae on the cutting edge of the maxillule. Scale bars in µm.
FIGURE 1 in A new deep-sea scalpelliform barnacle, Vulcanolepas buckeridgei sp. nov. (Eolepadidae: Neolepadinae) from hydrothermal vents in the Lau Basin
FIGURE 1. Sampling locations of Vulcaolepas buckeridgei sp. nov. and Vulcanolepas sp. 1 in Herrera et al (2015). Note DNA barcode sequences of Vulcanolepas buckeridgei and V. sp. 1 is similar, suggesting they are con-specific.
FIGURE 7 in A new deep-sea scalpelliform barnacle, Vulcanolepas buckeridgei sp. nov. (Eolepadidae: Neolepadinae) from hydrothermal vents in the Lau Basin
FIGURE 7. Genetic results showing that Vulcanolepas buckeridgei sp. nov. represents a single taxon with Neoverruca brachylepadoformis as outgroup in this study. Numbers at nodes are percentages of bootstrap support from maximum likelihood and posterior probabilities from Bayesian inference analysis (ML/BI).
FIGURE 3 in A new deep-sea scalpelliform barnacle, Vulcanolepas buckeridgei sp. nov. (Eolepadidae: Neolepadinae) from hydrothermal vents in the Lau Basin
FIGURE 3. Vulcanolepas buckeridgei sp. nov. (holotype). Dissected individual showing the internal face of the capitulum (S—scutum, T—tergum, ML—medial latus). B. somatic body showing the six pairs of cirri (I–VI) and caudal appendage (CA). Note the six pairs of cirri are located close to each other, without the first pairs being separated from other pairs of cirri, as seen in most scalpellomorph species. Scale bars in cm.
FIGURE 2 in A new deep-sea scalpelliform barnacle, Vulcanolepas buckeridgei sp. nov. (Eolepadidae: Neolepadinae) from hydrothermal vents in the Lau Basin
FIGURE 2. Vulcanolepas buckeridgei sp. nov. (holotype). A. Left view, B. Right view, C. Rostral view, D. Carinal view of whole specimens. T—tergum, S—scutum, R—Rostrum, C—Carina. White arrows indicate the basal angle of the tergum, which is elevated above the capitular-peduncular interface. Scale bars in cm.
FIGURE 4 in A new deep-sea scalpelliform barnacle, Vulcanolepas buckeridgei sp. nov. (Eolepadidae: Neolepadinae) from hydrothermal vents in the Lau Basin
FIGURE 4. Vulcanolepas buckeridgei sp. nov. (holotype). A. Cirri I. B. Cirrus II. C. Cirrus III. D. Cirrus IV. E. Cirrus V. F. Cirrus VI. G. Caudal appendages (CA, indicated by arrow). H. Penis. Scale bars in µm. ant—anterior ramus, pos—posterior ramus.
FIGURE 6 in A new deep-sea scalpelliform barnacle, Vulcanolepas buckeridgei sp. nov. (Eolepadidae: Neolepadinae) from hydrothermal vents in the Lau Basin
FIGURE 6. Vulcanolepas buckeridgei sp. nov. (holotype). A. Right mandible B. Serrated teeth on mandular cutting margin. C. Spine behind the first tooth. D. Inferior angle of mandible. E. Left mandible. F. Magnified view of serrated teeth on cutting margin. G. Mandibulatory palp. H. Labrum. Scale bars in µm.
FIGURE 6 in A new species of hydrothermal vent stalked barnacle Vulcanolepas (Scalpelliforms: Eolepadidae) from the North Fiji Basin, Southwestern Pacific Ocean
FIGURE 6. Ƒulcanolepas fijiensis sp. nov. Paratype. A. Whole view of the barnacle. B. Cirrus I, showing the distal half of ramus bearing antenniform segments (antenniform segs) and proximal half bearing robust segments (robust segs). Holotype. C. Drawing of penis and insert showing magnified view of the minute caudal appendages. Scale bars in mm in A, µm in B, C.
FIGURE 2 in A new species of hydrothermal vent stalked barnacle Vulcanolepas (Scalpelliforms: Eolepadidae) from the North Fiji Basin, Southwestern Pacific Ocean
FIGURE 2. In situ underwater photographs of the type locality of Ƒulcanolepas fijiensis sp. nov. in the North Fiji Basin, Southwestern Pacific Ocean. A. Overview of the diffuse-flow area. B. Species community where Ƒ. fijiensis was found. Arrows indicate Ƒ. fijiensis individuals. Scale bar = 10 cm.
FIGURE 1 in A new species of hydrothermal vent stalked barnacle Vulcanolepas (Scalpelliforms: Eolepadidae) from the North Fiji Basin, Southwestern Pacific Ocean
FIGURE 1. World map showing the global distribution of all known neolepadids. Insert shows enlarged area of the Southern Pacific region, including the Lau Ridge and North Fiji Basin, and the sampling location of Ƒulcanolepas fijiensis sp. nov. Note that the Indian Ocean is dominated by one species, Neolepas marisindica. The orientation of the insert is not the same as that of the world map. Part of the world map is redrawn from Buckeridge et al. 2013.
FIGURE 8 in A new species of hydrothermal vent stalked barnacle Vulcanolepas (Scalpelliforms: Eolepadidae) from the North Fiji Basin, Southwestern Pacific Ocean
FIGURE 8. Neighbor-joining tree based on the CO1 gene of species of the subfamily Neolepadinae. Bootstrap values>50% are given above the nodes.
FIGURE 5 in A new species of hydrothermal vent stalked barnacle Vulcanolepas (Scalpelliforms: Eolepadidae) from the North Fiji Basin, Southwestern Pacific Ocean
FIGURE 5. Ƒulcanolepas fijiensis sp. nov. Holotype. A. Setae on proximal robust segments of cirrus I. B. Setae on antenniform segments of cirrus I. C, D. Setae on distal segment of cirrus I. E. Maxilla. F. Setae on margin of maxilla. G. Maxillule. H. Setae on cutting margin of maxillule. Scale bars in µm.
FIGURE 7 in A new species of hydrothermal vent stalked barnacle Vulcanolepas (Scalpelliforms: Eolepadidae) from the North Fiji Basin, Southwestern Pacific Ocean
FIGURE 7. Ƒulcanolepas fijiensis sp. nov. Holotype. A. Mandible. B. First tooth of mandible. C. Second and third teeth of mandible. D. Magnified view of second tooth of mandible. E. Inferior angle. F. Setae on lower margin. G. Mandibular palp. H. Labrum with fine, sharp teeth in notch. Scale bars in µm.
FIGURE 12 in Vulcanolepas scotiaensis sp. nov., a new deep-sea scalpelliform barnacle (Eolepadidae: Neolepadinae) from hydrothermal vents in the Scotia Sea, Antarctica
FIGURE 12. Benthic Ecology: The V. scotiaensis sp. nov. assemblage at the "Dog's Head" vent in E2. The morphotype present here is predominantly the 'robust' variety of V. scotiaensis sp. nov., and specimens are generally heavily encrusted with blackish Fe/Mn minerals. The greatest density of organisms is found along what is interpreted as an old, or dying active vent. The bio-density in this reduced energy environment is significantly lower than at "Carwash" (Figure 11).
FIGURE 10a in Vulcanolepas scotiaensis sp. nov., a new deep-sea scalpelliform barnacle (Eolepadidae: Neolepadinae) from hydrothermal vents in the Scotia Sea, Antarctica
FIGURE 10a. Ratios of peduncle to capitulum length. The "gracile" form (shown as series 1, a diamond) is the less ornamented variety, and by far the most abundant in the collections. During growth, the peduncle can grow up to 20 times the length of the capitulum. The trend line included is for the "gracile" form only; the R2 correlation of this regression at 0.72518 confirms a reasonable correlation—i.e. that with growth, the pedun11 cle can be expected to become proportionately longer. However, the "robust" variety (shown here as series 2, a square) has subequal p:c ratios, and this apparently changes little with growth (= age), such that some larger specimens may even possess a capitulum that is slightly longer than the peduncle. This part of the graph is isolated and used in Figure 10b. Data base 57 specimens ("gracile" from JC42 F-0396 (34), JC42 F386 (10); "robust" 13 from JC42-F0122). p = peduncle length, c = capitulum length.
FIGURE 5 in Vulcanolepas scotiaensis sp. nov., a new deep-sea scalpelliform barnacle (Eolepadidae: Neolepadinae) from hydrothermal vents in the Scotia Sea, Antarctica
FIGURE 5. Morphotypes of Vulcanolepas scotiaensis sp. nov. a: The "gracile" form. Holotype NHMUK 2013.1031. The capitulum comprises eight approximate, calcareous plates: carina (c), rostrum (r) and paired terga (t), scuta (s) and medial latera (ml); is = imbricating scale of the peduncle. Note the broadly arched profile of the carina (compared with b), and on the tergum, the weak longitudinal ridge on the scutal side that extends to a point near the apex of the medial latus. The peduncle has been truncated in this diagram (see Figure 6f for an appreciation of the relative peduncle to capitulum length). b: The "robust" form. Paratype NHMUK 2013.1032. Note the nodose pattern on the plates, produced by intersection of strong growth lines with longitudinal ribs. The peduncle, although truncated for this diagram, is approximately the same length as the capitulum.
FIGURE 4 in Vulcanolepas scotiaensis sp. nov., a new deep-sea scalpelliform barnacle (Eolepadidae: Neolepadinae) from hydrothermal vents in the Scotia Sea, Antarctica
FIGURE 4. Genetic relationship of V. scotiaensis sp. nov. with other neolepadines: 28S Bayesian majority-rule consensus phylogeny. Bayesian posterior support and maximum likelihood bootstrap support are respectively shown next to each tree node.
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