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49 results for “Clionaidae”
FIGURE 3 in Cliona minuscula, sp. nov. (Hadromerida: Clionaidae) and other bioeroding sponges that only contain tylostyles
FIGURE 3. Cliona minuscula, sp. nov. tylostyles of QM G322595. A–B—Tylostyles mostly have straight shafts and oval to dropshaped tyles that are slightly longer than wide. C–D—Occasionally, tylostyles have more spherical tyles with distinct neck areas.
FIGURE 1 in Cliona minuscula, sp. nov. (Hadromerida: Clionaidae) and other bioeroding sponges that only contain tylostyles
FIGURE 1. Sample location of Cliona minuscula, sp. nov. (arrow). HIRS—Heron Island Research Station, LPB—Little Pioneer Bay, PB—Pioneer Bay, QLD—Queensland.
FIGURE 3 in Cliona acephala (Porifera: Demospongiae: Clionaida), a new encrusting excavating reef sponge from the Colombian Caribbean belonging to the Cliona viridis species complex
FIGURE 3. Ground and polished histological sections of the holotype of Cliona acephala n. sp. (A) portion of the ectosome and coral skeleton in an osculum showing sponge tissue with aquiferous canals and excavating chambers in the coral skeleton. (B) Enlargement of the ectosome showing ascending plumose spicule tracts. (C) Excavated chamber filled with tissue, spicules and eggs, and with with characteristic erosion scars on the walls.
FIGURE 2 in Cliona acephala (Porifera: Demospongiae: Clionaida), a new encrusting excavating reef sponge from the Colombian Caribbean belonging to the Cliona viridis species complex
FIGURE 2. Spicules of Cliona acephala n. sp. (A) Tylostyles. (B) Enlargement of heads and tip. (C) SEM enlargement of heads and tip.
FIGURE 4 in Cliona acephala (Porifera: Demospongiae: Clionaida), a new encrusting excavating reef sponge from the Colombian Caribbean belonging to the Cliona viridis species complex
FIGURE 4. Size of tylostyles (width by length) of three specimens of Cliona acephala n. sp. from Santa Marta compared to those of a specimen of C. orientalis (INV-POR 658) from Heron Island, Australia. Data represent specimen means ±1 standard deviation of 25 tylostyles. Hol=holotype; Par=paratype.
FIGURE 1 in Cliona acephala (Porifera: Demospongiae: Clionaida), a new encrusting excavating reef sponge from the Colombian Caribbean belonging to the Cliona viridis species complex
FIGURE 1. Underwater photographs of Cliona acephala n. sp. (A) Bahía de Santa Marta, Morro, 10 July 1987, 15 m. (B) Morro, 10 Jan 1994, 5 m. (C) Ensenada Granate, 12 m, 23 June 2005. (D) Bahía de Santa Marta, Punta de Betín, 25 June 2002, 12 m.
Fig. 3 a in Two Pione species (Hadromerida, Clionaidae) from the Red Sea: a taxonomical challenge
Fig. 3 a Tylostyle heads of P. cf. lampa. b Tylostyle heads of P. cf. vastifica. c Microrhabds of P. cf. lampa. d Microrhabds of P. cf. vastifica. All elements shown under either supposed species came from a single respective specimen. Numbers next to bars indicate scale lengths in μm
Fig. 2 in Two Pione species (Hadromerida, Clionaidae) from the Red Sea: a taxonomical challenge
Fig. 2 Erosion scars by Scanning Electron Microscopy. a Pione cf. lampa. b Pione cf. vastifica. Dashed line around "C" marks pit outline; double- headed arrow at "D" indicates pit main axis
FIGURE 5 in Cliona tumula sp. nov., a conspicuous, massive Symbiodinium-bearing clionaid from the lower Florida Keys (USA) (Demospongiae: Hadromerida: Clionaidae)
FIGURE 5. Microscleres from Cliona orientalis, Cervicornia cuspidifera, and C. varians. A. C. orientalis spiraster; B. Cervicornia cuspidifera spiraster; C. Cliona varians (encrusting) spiraster; D. Cliona varians (encrusting) anthosigma; E. Cliona varians (encrusting) diplaster; F. Cliona varians (massive) spiraster; G. Cliona varians (massive) anthosigma; H. Cliona varians (massive) diplaster. Scales: A, C–D, F, 5 µm; B, G, 2 µm; E, H, 10 µm.
FIGURE 2 in Cliona tumula sp. nov., a conspicuous, massive Symbiodinium-bearing clionaid from the lower Florida Keys (USA) (Demospongiae: Hadromerida: Clionaidae)
FIGURE 2. Camera lucida drawing of thin section of Cliona tumula sp. nov. showing embedded calcareous fragments (in bold) in the choanosome (scale = 1 mm). Inset: choanosome of ethanol preserved specimen highlighting tracts of sediment that the sponge incorporates in its mesohyl. The tracts run perpendicular to the ectosome.
FIGURE 3 in Cliona tumula sp. nov., a conspicuous, massive Symbiodinium-bearing clionaid from the lower Florida Keys (USA) (Demospongiae: Hadromerida: Clionaidae)
FIGURE 3. Micrographs of calcium carbonate fragments extracted from Cliona tumula sp. nov. choanosome tissue. A. Mollusc shell with clear evidence of sponge bioerosion (scale = 200 µm); B. Evidence of cellular etching and calcareous chip removal by C. tumula sp. nov. (scale = 100 µm); C–D. Unidentified calcareous fragments found in the choanosome that are clearly derived from calcareous tests of organisms on the reef. That is, the material is not remnant skeleton from a scleractinian coral that this species out-grew as can be found with some gamma-stage clionaids (scale = 200 µm).
FIGURE 1. A in Cliona tumula sp. nov., a conspicuous, massive Symbiodinium-bearing clionaid from the lower Florida Keys (USA) (Demospongiae: Hadromerida: Clionaidae)
FIGURE 1. A. In situ photograph of Cliona tumula sp. nov. B. Preserved holotype (scale = 10 cm); C. Micrograph of representative subtylostyle from C. tumula sp. nov. (scale = 100 µm); D-G. Micrographs of variability in C. tumula sp. nov. tylostyle head shapes (scale = 10 µm); H–K. Micrographs of C. tumula sp. nov. spirasters (scale = 5 µm).
FIGURE 2. Placospongia intermedia Sollas, 1888. A in The Genus Placospongia (Demospongiae: Clionaida) From The Colombian Caribbean
FIGURE 2. Placospongia intermedia Sollas, 1888. A. Underwater photograph of specimen SZ-31, Martinique (approximate scale: 5 cm). B. Cross section of the tissue (scale 600 µm). C. Tylostyle I (scale: 100 µm). D. Head and tip of tylostyle I (scale: 20 µm). E. Tylostyle II (scale: 100 microns). F. Head and tip of tylostyle II (scale: 20 µm). G. Selenaster (scale: 20 µm), H. Spheraster (scale: 20 µm), I. Streptasters (metaster and amphiaster, scale: 20 µm). J. Microrhabds (scale: 5 µm).
FIGURE 5 in The Genus Placospongia (Demospongiae: Clionaida) From The Colombian Caribbean
FIGURE 5. Placospongia soesti sp. nov. A. Underwater photograph of specimen INV POR1440 (approximate scale: 5 cm). B. Tylostyle I (scale: 100 µm). B1. Tylostyle I head and tip (scale: 20 µm). C. Tylostyle II (scale: 100 µm). C1. Tylostyle II head and tip (scale: 20 µm). D. Selenaster (scale: 20 µm). E. Spheraster (scale: 20 µm). F. Microrhabds (scale: 5 µm). G. Streptasters (G. Metaster. G1. Spiraster. G2. Amphiaster) (scale: 20 µm).
FIGURE 4 in The Genus Placospongia (Demospongiae: Clionaida) From The Colombian Caribbean
FIGURE 4. Placospongia cristata Boury-Esnault, 1973. A. Underwater photograph of an encrusting specimen (INV POR1430, approximate scale: 5 cm). B. Underwater photograph of MZUSUI:000170, an encrusting specimen with cylindrical lobules (approximate scale: 5 cm). C. Cross section of the tissue (scale: 300 µm). D. Tylostyle I (scale: 100 µm). E. Tylostyle I head and tip (scale: 20 µm). F. Tylostyle II (scale: 100 µm). G. Tylostyle II head and tip (scale: 20 µm). H. Selenaster (scale: 20 µm). I. Spheraster (scale: 20 µm). J. Microspherasters (scale: 3 µm).
FIGURE 3 in The Genus Placospongia (Demospongiae: Clionaida) From The Colombian Caribbean
FIGURE 3. Streptasters of P. intermerdia sensu de Laubenfels (1936b) (specimen USNM 22201, Pacific Panama). A. Spiraster (scale: 50 µm). B. Plesiaster (scale: 50 µm). Courtesy of Abigail Reft of the National Systematics Laboratory of NOAA Fisheries and the Smithsonian National Museum of Natural History.
FIGURE 1. Sampling areas. A. Colombian Caribbean, B in The Genus Placospongia (Demospongiae: Clionaida) From The Colombian Caribbean
FIGURE 1. Sampling areas. A. Colombian Caribbean, B. Golfo de Morrosquillo, C. Múcura island. The circles indicate the location of the sampling stations.
FIGURE 7 in The Genus Placospongia (Demospongiae: Clionaida) From The Colombian Caribbean
FIGURE 7. Distribution of the species of Placospongia in the Colombian Caribbean. P. intermedia, P. cristata, P. soesti sp. nov., P. colombiensis sp. nov. Department (Political divisions) abbreviations are Cor = Córdoba, Suc = Sucre, Bol = Bolivar, Mag = Magdalena and Gua = Guajira. Area abbreviations are Ura = Golfo de Urabá, Morr = Golfo de Morrsoquillo, Sanb = Islas de San Bernardo.
FIGURE 6 in The Genus Placospongia (Demospongiae: Clionaida) From The Colombian Caribbean
FIGURE 6. Placospongia colombiensis sp. nov. A. Underwater photograph of the holotype INV POR1443 (approximate scale: 5 cm). B. Underwater photograph of the uncatalogued specimen 360 from The Bahamas (approximate scale: 3 cm). C. Tylostyle I (scale: 100 µm). D. Tylostyle I head and tip (scale: 20 µm). E. Tylostyle II (scale: 100 µm). F. Tylostyle II head and tip (scale: 20 µm). G. Selenaster (scale: 20 µm). H. Spheraster (scale: 10 µm). I. Spiraster I (scale: 20 µm). J. Spiraster II (scale: 5 µm).
FIGURE 4. Diplaster-like spiraster from C in Cliona tumula sp. nov., a conspicuous, massive Symbiodinium-bearing clionaid from the lower Florida Keys (USA) (Demospongiae: Hadromerida: Clionaidae)
FIGURE 4. Diplaster-like spiraster from C. tumula sp. nov. (scale = 5 µm).
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