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26 results for “Placospongia”
FIGURE 5 in A new species of Asterocheres (Copepoda, Siphonostomatoida, Asterocheridae) associated to Placospongia cristata Boury-Esnault (Porifera) in Bahia State, Brazil
FIGURE 5. Asterocheres bimbarrensis sp. nov. male (paratype: UFBA 0020 CRU). a, dorsal view; b, urosome; c, antennule. Scale bars: a=100 µm; b–c=50 µm.
FIGURE 4 in A new species of Asterocheres (Copepoda, Siphonostomatoida, Asterocheridae) associated to Placospongia cristata Boury-Esnault (Porifera) in Bahia State, Brazil
FIGURE 4. Asterocheres bimbarrensis sp. nov. female (holotype: UFBA 0012 CRU). a, P3; b, P4. Scale bars: 50 µm.
FIGURE 2 in A new species of Asterocheres (Copepoda, Siphonostomatoida, Asterocheridae) associated to Placospongia cristata Boury-Esnault (Porifera) in Bahia State, Brazil
FIGURE 2. Asterocheres bimbarrensis sp. nov. female (holotype: UFBA 0012 CRU). a, habitus, dorsal view; b, urosome (left long setae of the genital somite were omitted); c, antennule; d, antenna; e, oral cone; f, distal end of mandibular stylet. Scale bars: a=100 µm; b–d=50 µm; e–f=20 µm.
FIGURE 1 in A new species of Asterocheres (Copepoda, Siphonostomatoida, Asterocheridae) associated to Placospongia cristata Boury-Esnault (Porifera) in Bahia State, Brazil
FIGURE 1. Location of collection sites in Brazil. (A) Brazilian coast; (B) eastern and northeastern coast, (Abrolhos region, 1; Bimbarra Island, 2; Picinguaba, 3; Recife, 4); (C) Todos os Santos Bay.
FIGURE 1 in A new species of Placospongia Gray, 1867 (Porifera, Demospongiae, Placospongiidae) and new record of P. ruetzleri van Soest, 2017 from Northeast, Brazil
FIGURE 1. Map showing the collecting localities in Pernambuco and Bahia State of the Placospongia species described in this study (created in QGis software). Legend: ● Placospongia ruetzleri; ▲ Placospongia giseleae sp. nov.
FIGURE 3 in A new species of Placospongia Gray, 1867 (Porifera, Demospongiae, Placospongiidae) and new record of P. ruetzleri van Soest, 2017 from Northeast, Brazil
FIGURE 3. Placospongia ruetzleri (UFBA 769). (A) Preserved specimen; (B) Skeleton architecture (C) Tylostyle I; (D) Tylostyle I head; (E) Blunt ends of tylostyle I; (F) Tylostyle II; (G) Tylostyle II head; (H) Mucronate ends of tylotyle II; (I) Selenaster; (J) Streptaster; (K) Spiraster; (L) Microrhabd. Scales: A = 1 cm; B = 50 μm; C, F = 100 μm; D, E, G, H, I = 10 μm; J = 5 μm; K, L = 2 μm.
FIGURE 2 in A new species of Placospongia Gray, 1867 (Porifera, Demospongiae, Placospongiidae) and new record of P. ruetzleri van Soest, 2017 from Northeast, Brazil
FIGURE 2. Placospongia giseleae sp. nov. (UFBA 4051, holotype). (A) Specimen in situ; (B) Preserved specimen; (C) Skeleton architecture; (D) Tylostyle I; (E) Tylostyle I head; (F) Blunt ends of tylostyle I; (G) Tylostyle II; (H) Tylostyle II head; (I) Hastate ends of tylostyle II; (J) Selenaster; (K) Selenaster in development; (L) Microrhabd. Scales: A, B, C = 1 cm; D = 100 μm E, F = 20 μm; G, H, I = 50 μm; J, L = 1 μm; K = 2 μm.
FIGURE 22. Placospongia ruetzleri van Soest, 2017 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 22. Placospongia ruetzleri van Soest, 2017 (CNPGG-2391), skeleton and spicules: A. tangential section of ectosomal region showing a dense layer of selenasters; B. transversal section of the skeleton with tracts of tylostyles in the choanosomal region; C. tylostyles, and selenaster; D. large tylostyles and selenasters; E. small tylostyles; F. 1—selenaster, 2—spiraster and 3—acanthomicrohabd; G. different growth stages of selenaster; H. spiraster; I. a stout spiraster; J. acanthomicrohabds. Scale bars: A–B = 250 µm; C = 100 µm; D–E = 50 µm; F–G = 50 µm; H–J = 10 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 8 from: Becking L (2013) Revision of the genus Placospongia (Porifera, Demospongiae, Hadromerida, Placospongiidae) in the Indo-West Pacific. ZooKeys 298: 39-76. https://doi.org/10.3897/zookeys.298.1913
Figure 8 - Placospongia santodomingoae sp. n. (RMNH POR. 4486). A ethanol preserved specimen B selenaster C large tylostyle (head and blunt end) D small tylostyle (head and hastate end) E microrhabds.
Figure 7 from: Becking L (2013) Revision of the genus Placospongia (Porifera, Demospongiae, Hadromerida, Placospongiidae) in the Indo-West Pacific. ZooKeys 298: 39-76. https://doi.org/10.3897/zookeys.298.1913
Figure 7 - Placospongia mixta holotype (ZMB 3204). A selenaster B large tylostyle (head and blunt end) C small tylostyle (head and hastate end) D spheraster E streptasters F microacanthose microrhabds.
Figure 6 from: Becking L (2013) Revision of the genus Placospongia (Porifera, Demospongiae, Hadromerida, Placospongiidae) in the Indo-West Pacific. ZooKeys 298: 39-76. https://doi.org/10.3897/zookeys.298.1913
Figure 6 - Placospongia melobesioides holotype (BMNH 52.4.1.14). A Holotype with two labels B selenaster C large tylostyle (head and blunt end) D small tylostyle (head and hastate end) E spheraster F spherules.
Figure 9 from: Becking L (2013) Revision of the genus Placospongia (Porifera, Demospongiae, Hadromerida, Placospongiidae) in the Indo-West Pacific. ZooKeys 298: 39-76. https://doi.org/10.3897/zookeys.298.1913
Figure 9 - Distribution of Placospongia spp. in the Indo-West Pacific. Location of symbols is approximate.
Figure 5 from: Becking L (2013) Revision of the genus Placospongia (Porifera, Demospongiae, Hadromerida, Placospongiidae) in the Indo-West Pacific. ZooKeys 298: 39-76. https://doi.org/10.3897/zookeys.298.1913
Figure 5 - Placospongia carinata (RMNH POR. 4483). A selenaster B large tylostyle (head and blunt end) C small tylostyle (head and hastate end) D streptasters, E. acanthose microrhabds.
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