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1,398 results for “shallow waters”
FIGURE 7. a, RMNH Coel. 38768 in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 7. a, RMNH Coel. 38768, holotype of Astrogorgia fruticosa n. sp.; b, RMNH Coel. 38769, Echinogorgia sp. a; c, RMNH Coel. 38770, Echinogorgia sp. b; d, RMNH Coel. 38771, Echinogorgia sp. b. Scales 1 cm.
FIGURE 28. RMNH Coel. 38784 in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 28. RMNH Coel. 38784, Menella cf. kanisa Grasshoff, 2000: a, point spindles; b, collaret spindle; c-d, capstans and spindles of the subsurface layer; e, leaf spindles of surface layer; f, rooted leaves of surface layer. Scale at d applies to d–e.
FIGURE 21. RMNH Coel. 38786 in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 21. RMNH Coel. 38786, Euplexaura sp. b: a, point spindles; b, spindles from calyx; c, ellipsoids and spindles of surface layer; d, spindles of the subsurface layer. Scale at c only applies to c.
FIGURE 6. RMNH Coel. 38767 in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 6. RMNH Coel. 38767, Muricella sp.: a, spindles of polyps; b, coenenchymal spindles; c, capstans and rods of the subsurface layer.
FIGURE 4. Sarcophyton minusculum n in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 4. Sarcophyton minusculum n. sp., holotype RMNH Coel. 38756, sclerites of base of colony: a, capstans of surface layer; b, clubs of surface layer; c-d, spindles of interior. Scale at c also applies to a.
FIGURE 5. RMNH Coel. 38766 in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 5. RMNH Coel. 38766, Acanthogorgia spinosa Hiles, 1899, a, spindles of polyps: b, tentacle rods; c, thornstars of surface layer. Scale at a only applies to a.
FIGURE 3. Sarcophyton minusculum n in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 3. Sarcophyton minusculum n. sp., holotype RMNH Coel. 38756, sclerites of the polyparium: a, polyp rods; b, capstans of surface layer; c, clubs of surface; d, spindles of interior; e, shuttles.
FIGURE 2. a–b, RMNH Coel. 38756 in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 2. a–b, RMNH Coel. 38756, holotype of Sarcophyton minusculum n. sp.; a, lateral view, b, view from above; c, RMNH Coel. 38767, Muricella sp.; d, RMNH Coel. 38778, holotype of Euplexaura plana n. sp.; e, RMNH Coel. 38779, Euplexaura sp. a; f, RMNH Coel. 38780, Euplexaura sp. b. Scales 1 cm.
FIGURE 5 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 5. Ecionemia megastylifera Wintermann-Kilian & Kilian, 1984: A. Dark specimen found growing under coral rubble (1 m depth). Arrows point to its oscules. Scale: 4 cm; B. Large dark specimen found on Solarte South 4 (0.4 m depth) growing on coral rubble. It is covered with sediments and overgrown by sponges (Chondrilla aff. nucula and Amphimedon erina) and algae. Scale: 5 cm; C. Elongated coffee–colored specimen collected in a small cavity on Sache (15 m depth); D. Close up of the surface (dried) revealing the cribriporal pores. Scale: 0.5 mm; E. Cross–section showing the skeletal architecture: cortex and choanosome [ZMBN 81782]. Scale: 1 mm; F. Cross–section of cortex and choanosome [INVPOR 1148, holotype]. Scale: 1 mm.
FIGURE 11 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 11. Stryphnus raratriaenus sp. nov. [ZMBN 81642]: A. Holotype, alive, growing on coral rubble. A tangential cut in the specimen shows the whitish choanosome (arrow). Scale: 2 cm; B. Cross–section showing the skeletal architecture: cortex and choanosome. Arrow points to a dichotriaene. Scale: 1 mm; C. Detail of cross section (B) showing the dichotriaene. Note the large granular brown cells. Scale: 500 µm; D. Sanidaster. Scale: 2 µm; E. Oxyaster. Scale: 4 µm; F. Oxyaster with a dichotomous actine. Scale: 4 µm.
FIGURE 15. Geodia gibberosa Lamarck, 1815 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 15. Geodia gibberosa Lamarck, 1815 [ZMBN 81780]: A. Plagiotriaene and sterrasters. Scale: 200 µm; B. Anatriaene cladome. Scale: 20 µm; C. Sterraster. Scale: 20 µm; D. Star–shaped smooth rosettes and hilum from a sterraster surface. Scale: 4 µm; E. Acanthoxyaster I. Scale: 4 µm; F. Acanthoxyaster II. Scale: 2 µm; G. Acanthoxyasters III. Scale: 2 µm; G. gibberosa [MNHN DT–608, holotype]: H. Smooth rosettes and hilum from a sterraster surface. Scale: 4 µm.
FIGURE 8 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 8. Stelletta fibrosa (Schmidt, 1870) [ZMBN 81784]: A. Specimen with large oscule on top and smaller oscules on the sides (picture taken shortly after collection); B. Cross–section of specimen showing large and small oscules and their cloacae (large and small arrow). Cortex is clearly visible; C. Base of specimen: color is lighter and small roots are present (arrows). Scale: 2 cm; D. Cross–section showing the skeletal architecture: cortex and choanosome. scc: sub– cortical canal. Scale: 1 mm; S. fibrosa [MCZ 8020, lectotype]: E. Lectotype specimen. Scale: 1 cm; F. Cross–section of cortex and the choanosome. Scale: 1 mm.
FIGURE 4 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 4. Cinachyrella kuekenthali (Uliczka, 1929) [ZMBN 81787]: A. Gross morphology. Scale: 5 cm; C. kuekenthali [ZMBN 81786]: B. Cross–section showing the skeletal architecture. Scale: 1 mm; C. Microxeas. Scale: 20 µm; D. Sigmaspire. Scale: 2 µm.
FIGURE 16 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 16. Geodia papyracea (Hechtel, 1965) [UMPCW921]: A. Specimen in situ, growing on a mangrove root, arrow points to the oscule plate with uniporal oscules (Picture: Scott Nichols). Scale: 3 cm; B. Cross–section showing the skeletal architecture: cortex and choanosome. Note the confused arrangement of the megascleres in the choanosome. Scale: 1 mm; C. Sterraster, with an acanthostrongylaster by the warty hilum. Scale: 20 µm; D. Star–shaped warty rosettes from a sterraster surface. Scale: 4 µm; E. Acanthoxyaster I and acanthostrongylasters. Scale: 4 µm; F. Acanthoxyaster II. Scale: 4 µm; G. Acanthostrongylasters. Scale: 2 µm; G. papyracea [YPM 5045, holotype]: H. Warty rosettes and hilum from a sterraster surface. Scale: 4 µm.
FIGURE 3 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 3. Cinachyrella apion (Uliczka, 1929) [ZMBN 80958]: A. Gross morphology; B. Cross–section showing the skeletal architecture. ect: ectosome. Scale: 1mm; C. Cross–section of oscule. ptI: protriaenes I, ptII: protriaenes II. Scale: 0.5 mm; D. Oxea II. Scale: 20 µm; E. Anatriaene. Scale: 10 µm; F. Sigmaspire. Scale: 1 µm.
FIGURE 14. Geodia gibberosa Lamarck, 1815 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 14. Geodia gibberosa Lamarck, 1815: A. Large specimen hanging at the tip of a mangrove root. It is overgrown by the purple sponge Chalinula molibta, algae and oysters. Scale: 6 cm; B. Specimen with characteristic tumulose shape; C. Close up of oscular plates of an overgrown specimen in situ. Each oscule is uniporal. Scale: 4 cm; G. gibberosa: [ZMBN 81780]: D. Close up of the cribriporal pores. Scale: 1 mm; E. Cross–section showing the skeletal architecture: cortex and choanosome. Note the radial arrangement of the triaenes right under the cortex. Scale: 1 mm; F. Cross–section of a uniporal oscule. mx: cortical microxeas. s: sphincter. plgt: plagiotriaene. Scale: 0.5 mm.
FIGURE 1 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 1. Map of the Bocas del Toro archipelago. () Sites surveyed in August 2007, and February 2008.
FIGURE 2 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 2. Cinachyrella alloclada (Uliczka, 1929) [ZMBN 81788]: A. Specimen in situ. Scale: 1 cm; B. Cross–section showing the skeletal architecture. Scale: 1 mm; C. Oxea II. Scale: 20 µm; D. Oxea II. Scale: 20 µm; E. Anatriaenes. Scale: 20 µm; F. Sigmaspire. Scale: 1 µm.
FIGURE 13. Erylus formosus Sollas, 1886 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 13. Erylus formosus Sollas, 1886: A. In situ, Adriana's reef (Picture: Deborah Gochfeld). Note the uniporal oscules. Scale: 6 cm; [ZMBN 81644]: B. Cross–section of the uniporal pores showing the skeletal architecture: cortex and choanosome. s: sphincter; p: polychaete living in the canals. Scale: 1 mm; C. Orthotriaene. Scale: 100 µm; D. Microrhabds and acanthotylaster. Scale: 10 µm; E. Aspidaster. Scale: 20 µm; F. Smooth rosettes with bifid or trifid rays on the surface of an aspidaster. Scale: 2 µm.
FIGURE 7 in Morphological description and DNA barcodes of shallow-water Tetractinellida (Porifera: Demospongiae) from Bocas del Toro, Panama, with description of a new species
FIGURE 7. Spicule repertoire of Ecionemia megastylifera Wintermann-Kilian & Kilian, 1984. A. Oxea I; B. Oxea II; C. Dichotriaene; D. Cladome of protriaene; E. Cladome of anatriaene; F. Acanthomicrorhabds; G. Microxeas; H. Acanthotylaster; I. Acanthoxyaster. Scale 200 µm for A–B–C and F–G. Scale 20 µm for D–E. Scale 2 µm for H–I.
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