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124 results for “Serpulid”
FIGURE 17 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent
FIGURE 17. Tube ultrastructures of fossil tetragonal serpulids from the Lower Cretaceous. A-D: Tetraserpula sp. 4 PIN 5485/ 21, A—longitudinal wall section, B—enlarged outer wall part showing isometric crystals forming homogenous granular (HG) ultrastructure, C—enlarged middle part consisting of isometric crystals, D—enlarged inner wall part. E-H: Tetraserpula barremica PIN 5485/07, E—longitudinal wall section showing a transition from prismatic crystals in outer wall to isometric in inner wall, F—enlarged outer (unaltered) wall part showing elongated oriented crystals near wall surface and isometric crystals near axial part of parabolic lamellae, G—enlarged axial wall part (slightly recrystallised) consisting mostly of small slightly elongated crystals, H—inner wall part (heavily recrystallised) consisting of small isometric crystals. Arrows indicate direction of tube growth and are placed along axis of parabolic growth lamellae. Abbreviation: o. s.—outer tube surface.
FIGURE 18 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent
FIGURE 18. Tube ultrastructures of fossil tetragonal serpulids from the Upper Cretaceous. A-D: Tetraditrupa rustica PIN 5485/22, A—longitudinal wall section, B—enlarged outer part with a layer of crystals oriented perpendicular to outer surface, C—enlarged middle wall part consisting of isometric crystals, D ‒ enlarged inner wall part. E-H: Tetraditrupa canteriata PIN 5485/05, E—longitudinal wall section, F—enlarged outer wall part showing elongated oriented crystals and isometric crystals near outer wall, G ‒ enlarged axial wall part made of small isometric crystals, H—enlarged inner wall part made of (?) partly recrystallised elongated oriented crystals. Arrows indicate direction of tube growth, and are placed along axis of parabolic growth lamellae, dashed line marks inner wall margin. Abbreviation: o. s.—outer tube surface.
FIGURE 13 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 13. Serpulids in the Mexican Pacific. A–B. Protula balboensis, body and specimen in the tube; C. Pseudovermilia occidentalis, operculum; D. Pyrgopolon ctenactis, operculum; E–F. Salmacina tribranchiata, operculum and colony on rock; G. Spirobranchus incrassatus, operculum; H. S. minutus, operculum; I. Vermiliopsis multiannulata, operculum with broken tip.
FIGURE 9 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 9. Gross scheme of the likely routes followed by introduced sabellids and serpulids: 1) Branchiomma bairdi, Crucigera websteri, Hydroides elegans, H. gairacensis, H. salazarvallejoi, H. sanctaecrucis, Pseudovermilia multispinosa and Pyrgopolon ctenactis; 2) Protula balboensis and Spirobranchus minutus; 3) Parasabella pallida, H. dirampha and H. elegans; 4) Ficopomatus miamiensis; 5) H. crucigera; 6) Pseudobranchiomma punctata; 7) F. miamiensis; 8) B. bairdi, H. elegans (?), H. gairacensis and H. sanctaecrucis; 9) Ficopomatus uschakovi.
FIGURE 7 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 7. Distribution of and Pomatostegus kroyeri, Protula balboensis, Pseudovermilia occidentalis and Pyrgopolon ctenactis.
FIGURE 8 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 8. Distribution of Spirobranchus incrassatus, S. minutus, Vermiliopsis multiannulata and Salmacina tribranchiata.
FIGURE 10 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 10. Sabellids and serpulids in the Mexican Pacific. A. Branchiomma bairdi, anterior part; B–C. Megalomma carunculata, anterior part and caruncle; D. Parasabella pallida, anterior part; E–F. Pseudobranchiomma punctata, body and detail of abdominal section; G. Ficopomatus uschakovi, anterior part; H–I. Crucigera websteri, opercula, lateral and aboral side (colors in life and preserved).
FIGURE 2 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 2. Distribution of the sabellids Branchiomma bairdi, Megalomma carunculata, Parasabella pallida and Pseudobranchiomma punctata in the Tropical Eastern Pacific, Southern California and Hawaii.
FIGURE 1 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 1. Study area. The Tropical Eastern Pacific, Southern California and Hawaii, with main geographical names mentioned in text.
FIGURE 3 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 3. Distribution of Ficopomatus uschakovi, Crucigera websteri, Hydroides cf. amri, H. brachyacantha and H. crucigera.
FIGURE 12 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 12. Serpulids in the Mexican Pacific. A. Hydroides inermis, operculum; B–C. H. ochotereana, operculum and spine; D. H. panamensis, operculum; E. H. sanctaecrucis, operculum; F. H. similis, operculum; G. H. trompi, operculum; H. Pomatostegus kroyeri, operculum.
FIGURE 11 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 11. Serpulids in the Tropical Eastern Pacific. A. Hydroides cf. amri, operculum and detail of verticil spine (modified of Bastida-Zavala & ten Hove 2003); B. H. brachyacantha, operculum; C. H. crucigera, operculum; D. H. deleoni, operculum; E. H. dirampha, operculum; F–G. H. elegans, sclerotized operculum in aboral view and fleshy operculum in lateral view; H. H. gairacensis, operculum; I. H. glandifera, operculum; J. H. humilis, operculum.
Figure 5 in Systematics and life habit in Serpula israelitica Amoureux, 1977 (Polychaeta Serpulidae) from the Mediterranean with remarks on other soft-bottom serpulids
Figure 5. Serpula israelitica. (A) Cross-section of the tube wall flaked in layers of different thickness. Scale bar 100 µm. Sample Noto 10G. (B) Detail. Scale bar 20 µm. Sample Noto 10G. (C) Prismatic crystals from the tube wall ordered in a lamellofibrillar structure partially obliterated by organic matrix within the prisms. Scale bar 10 µm. Sample Noto 10G. (D, E) Ventral and lateral view of a mineralized tabula closing the posterior end of a broken unattached distal end. Scale bar 1 mm. Sample Ciclopi 2G. (F–H) Progressively closer views of a tabula in cross-section showing a sphaerulitic prismatic structure. Scale bars 500 µm (F) and 100 µm (G, H). Sample Noto 10N. (I) Abundant organic matrix overlying the outer surface of a tabula. Scale bar 5 µm. Sample Noto 10N.
Figure 3 in Systematics and life habit in Serpula israelitica Amoureux, 1977 (Polychaeta Serpulidae) from the Mediterranean with remarks on other soft-bottom serpulids
Figure 3. Serpula israelitica. (A) Attached tube parts irregularly curved and widely encrusting a corallinae algal fragment. Scale bar 1 mm. Sample AM/91 2D. (B) Encrusting tube circular in cross-section, with smooth shiny surface and two evident lateral flanges. Scale bar 1 mm. Sample AP07. (C) Detail of smooth outer surface from the attached part of the tube. Scale bar 200 µm. Sample AP07. (D) Row of alveoles inside a broken part of the basal flange. Alveoles are equally sized and regularly aligned. Scale bar 500 µm. Sample AM/91 2D. (E) Internal view of an alveole showing a subquadrangular undulate contour and crystals paving the lumen surface. Scale bar 50 µm. Sample AM/91 2D. (F) Detail of alveole on its inner surface with elongate prismatic crystals irregularly arranged in an unoriented structure. Scale bar 5 µm. Sample AM/91 2D. (G) Encrusting tube still with its proximal end (arrow). Scale bar 1 mm. Sample AP 07. (H) Detail of proximal end of tube, circular in cross-section, weak and lacking ornamentation, separated from the rest of the tube by a narrow rim (arrow). Scale bar 100 µm. Sample AP 07.
Figure 2 in Systematics and life habit in Serpula israelitica Amoureux, 1977 (Polychaeta Serpulidae) from the Mediterranean with remarks on other soft-bottom serpulids
Figure 2. Serpula israelitica. (A) Collar chaetae: slender limbate capillaries. (B) Collar chaeta: geniculate with a narrow distal tip. (C) Thoracic chaetae: limbate capillaries. (D) Thoracic uncinus. (E) Capillary simple chaeta from the 12th thoracic chaetiger. (F) Abdominal chaeta with flat trumpet-shaped end. Scale bars 10 µm. Sample Ciclopi 2G.
Figure 6 in Systematics and life habit in Serpula israelitica Amoureux, 1977 (Polychaeta Serpulidae) from the Mediterranean with remarks on other soft-bottom serpulids
Figure 6. (A) Serpula israelitica: free tube distal part showing three different growth directions (arrows), double orifice (to the left) resulting from two growth directions after accidental breakage. (B) Detail of bifurcation. (C) Tube distal end forming a slightly bend and two angular changes in growth direction. Scale bars 2 mm. Sample Ciclopi 18G. (D–G) Hydroides norvegicus: trochospirally coiled tubes of adult specimens growing free on the sediment. (D) Tube showing on its base a sand grain of the sediment still preserved as the original tiny substrate. (E, F) Dextrally and sinistrally coiled tubes with encrusted substrates not evident. (G) Tube with the cast of the original tiny substrate. Scale bar 1 mm. Samples Megara 6, 8. (H, I) Protula tubularia: tube irregularly folding on itself before straightening and growing vertically far from sediment, as shown by epibiont encrustations exclusively on distal end. Scale bar 5 mm. Sample BIOICE 2168, 2595. (L) Protula tubularia: tube distal end showing three different changes in growth directions (arrows) as a response of subsequent repositions of the animal above the bottom. Scale bar 1 cm. Sample CT 11.
Figure 1 in Systematics and life habit in Serpula israelitica Amoureux, 1977 (Polychaeta Serpulidae) from the Mediterranean with remarks on other soft-bottom serpulids
Figure 1. Serpula israelitica. (A) Branchial crown bearing operculum on the left and a rudimentary club-shaped pseudoperculum on the right. (B) Operculum shallow funnel-shaped with a denticulate edge, transition/operculum marked by a slight constriction. Sample Ciclopi 2G. (C) A coloured specimen within its tube. Sample CANCAP 7.031 (Photo F. Verbiest). (D) Thorax in lateral view, trilobed collar and 12 pairs of chaetigers. Sample Ciclopi 2G. Scale bars 1 mm.
Figure 4 in Systematics and life habit in Serpula israelitica Amoureux, 1977 (Polychaeta Serpulidae) from the Mediterranean with remarks on other soft-bottom serpulids
Figure 4. Serpula israelitica. (A) Tube distal parts. Scale bar 2 mm. Sample Noto 10N. (B) Old-looking tube flaking off in irregular layers. Scale bar 1 mm. Sample Ciclopi 2G. (C) Tube of a young specimen with a shiny outer surface and slight growth lines. Scale bar 1 mm. Sample CR/10. (D) Micromorphology of outer surface of the tube of a young specimen showing rounded and symmetric in section growth lines. Scale bar 200 µm. Sample Ciclopi 2G. (E) Smooth outer surface from a tube distal part corresponding to the adult/old stage, growth lines disappearing with further calcification. Scale bar 200 µm. Sample Noto 10N.
FIGURE 4 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 4. Distribution of Hydroides deleoni, H. dirampha, H. elegans and H. gairacensis..
FIGURE 6 in New records of sabellids and serpulids (Polychaeta: Sabellidae, Serpulidae) from the Tropical Eastern Pacific
FIGURE 6. Distribution of Hydroides panamensis, H. sanctaecrucis, H. similis and H. trompi.
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