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512 results for “Poecilosclerida”
Fig. 8 in Sponges of the family Esperiopsidae (Demospongiae, Poecilosclerida) from Northwest Africa, with the descriptions of four new species
Fig. 8. Ulosa capblancensis sp. nov., Holotype ZMA Por. 09959. A. Habit. A1. Detail of basal mass. B. Cross section of skeleton. C. SEM image of style. C1. Detail of apices.
Fig. 5 in Sponges of the family Esperiopsidae (Demospongiae, Poecilosclerida) from Northwest Africa, with the descriptions of four new species
Fig. 5. Amphilectus fucorum (Esper, 1794), ZMA Por. 06775. A. Habit (fragments). B. Cross section of skeletal reticulation. C-D. SEM images of spicules. C. Style. C1. Details of apices. D. Palmate isochela.
Fig. 4 in Sponges of the family Esperiopsidae (Demospongiae, Poecilosclerida) from Northwest Africa, with the descriptions of four new species
Fig. 4. Amphilectus strepsichelifer sp. nov., Holotype ZMA Por. 07564. A. Habit. B-C. Cross section of skeleton in light microscopy. B. Peripheral skeleton. C. Detail of peripheral tracts and clustered microscleres. D-E. SEM images of spicules. D. Style. D1. Details of apices. E. Palmate isochelae, in various stages of torsion.
Fig. 2 in Sponges of the family Esperiopsidae (Demospongiae, Poecilosclerida) from Northwest Africa, with the descriptions of four new species
Fig. 2. Amphilectus utriculus sp. nov. A,C-E. Holotype ZMA Por. 22592. B. Paratypes ZMA Por. 06636. C. Cross section showing skeletal structure. D. Peripheral skeleton showing protruding spicule tracts and clusters of microscleres. E. Spicules in light microscopy.
Fig. 3 in Sponges of the family Esperiopsidae (Demospongiae, Poecilosclerida) from Northwest Africa, with the descriptions of four new species
Fig. 3. Amphilectus utriculus sp. nov., Holotype ZMA Por. 22592, SEM images of spicules. A. Styles. A1. Detail of the apices. B. Palmate isochelae in side and ventral view.
Fig. 1 in Sponges of the family Esperiopsidae (Demospongiae, Poecilosclerida) from Northwest Africa, with the descriptions of four new species
Fig. 1. Map of Northwest Africa, showing the approximate localities from which the sponges were collected. 1. Mauritania, Cap Blanc. 2. Mauritania, Banc d'Arguin. 3. Mauritania, SW of Cap Timiris 4. Cape Verde Islands, São Vicente 5. Cape Verde Islands, Ilheu de Cima.
FIGURE 2 in Cyclacanthia n. g. (Demospongiae: Poecilosclerida: Latrunculiidae incertea sedis), a new genus of marine sponges from South African waters, and description of two new species
FIGURE 2. Morphology and ontogenetic development of microscleres of Latrunculiidae: A. Ontogeny of Latrunculia [BMNH 1887.5. 2.237, Latrunculia bocagei Ridley and Dendy, 1886 (from Samaai and Kelly, 2002)] B. Ontogeny of Tsitsikamma [BMNH 1997.7. 3.2, Tsitsikamma favus Samaai and Kelly, 2002]. C. Ontogeny of Sceptrella [BMNH 1870.5. 3.22 Sceptrella regalis Schmidt, 1870 (from Samaai & Kelly 2002)]; D. Ontogeny of Cyclacanthia [SAMH 5082, Cyclacanthia mzimayensis sp. nov.]; E. Isospinodiscorhabd of C. cloverlyae sp. nov. [SAM H 5080]; F. Isospinodiscorhabd of C. bellae Samaai & Kelly [BMNH 2003.1.10.1]; G – H, Isospinodiscorhabd of C. mzimayiensis sp. nov. [SAM H 5082 and SAM H 5081].
FIGURE 1. Collection localities for Cyclacanthia n. g in Cyclacanthia n. g. (Demospongiae: Poecilosclerida: Latrunculiidae incertea sedis), a new genus of marine sponges from South African waters, and description of two new species
FIGURE 1. Collection localities for Cyclacanthia n. g. spp. on the east and south coasts of South Africa: A. C. bellae (Samaai & Kelly); B. C. mzimayiensis sp. nov.; C. C. cloverlyae sp. nov.
FIGURE 3. A in Cyclacanthia n. g. (Demospongiae: Poecilosclerida: Latrunculiidae incertea sedis), a new genus of marine sponges from South African waters, and description of two new species
FIGURE 3. A. Gross morphology of genus holotype Cyclacanthia bellae Samaai & Kelly [BMNH 2003.1.10.1]; B. Gross morphology of C. cloverlyae sp. nov. [SAMH 5080]; C – D. Gross morphology of C. mzimayiensis sp. nov. [SAMH 5082 and SAM H 5081]; E – F. Gross skeletal architecture of the holotype, C. bellae, showing several large tracts in cross section, tangential ectosomal skeleton, and the abundant interstitial microscleres.
FIGURE 3 A, C in A new species of Strongylodesma Lévi, 1969 (Porifera; Demospongiae; Poecilosclerida; Latrunculiidae) from Aliwal Shoal on the east coast of South Africa
FIGURE 3 A, C. Skeletal architecture of the holotype (SAM H 5083) (A, 100 X; C, 50 X); C. Skeletal architecture showing the clear mesohyl region below the paratangential layer of anisostrongyles (100 X); B. Skeletal architecture of the paratype (SAF 94 23) (50 X); D. Skeletal architecture showing the region of convoluted tracts of anisostrongyles (100 X).
FIGURE 2. A in A new species of Strongylodesma Lévi, 1969 (Porifera; Demospongiae; Poecilosclerida; Latrunculiidae) from Aliwal Shoal on the east coast of South Africa
FIGURE 2. A. Gross morphology of Strongylodesma aliwaliensis sp. nov. (SAM H 5083); B. A close up frame of the fungiform areolate porefields and cylindrical oscules of Strongylodesma aliwaliensis sp. nov. (SAM H 5083); C. Smooth anisostrongyles with one end narrower within Strongylodesma aliwaliensis sp. nov. (Anisostrongyles) (1000 X).
FIGURE 3 in South African Latrunculiidae (Porifera: Demospongiae: Poecilosclerida): descriptions of new species of Latrunculia du Bocage, Strongylodesma Lévi, and Tsitsikamma Samaai & Kelly
FIGURE 3. Latrunculia, Strongylodesma and Tsitsikamma species in situ: A, Latrunculia lunaviridis sp. nov. (BMNH 1996.7.3.6); B, Latrunculia microacanthoxea sp. nov. (BMNH 1996.7.3.1); C. Latrunculia bellae sp. nov. (BMNH 2003.1.10.1); D, Strongylodesma algoaensis sp. nov. (BMNH 1996.7.3.3); E, Strongylodesma tsitsikammaensis sp. nov. (BMNH 1996.7.3.5); F, Tsitsikamma favus (Holotype, BMNH 1997.7.3.2); G, T. pedunculata sp. nov. (BMNH 2003.1.10.2); H, T. scurra sp. nov. (BMNH 2003.1.10.3).
FIGURE 5 in South African Latrunculiidae (Porifera: Demospongiae: Poecilosclerida): descriptions of new species of Latrunculia du Bocage, Strongylodesma Lévi, and Tsitsikamma Samaai & Kelly
FIGURE 5. Skeletal arrangement within Latrunculia and Strongylodesma spp: A, Latrunculia biformis sp. nov., (magnification X 4); B. Latrunculia lunaviridis sp. nov., (magnification X 4); C. Latrunculia microacanthoxea sp. nov., (magnification X 4); D. Latrunculia bellae sp. nov., (magnification X 4); E, Strongylodesma algoaensis sp. nov., (magnification X 4); F, Strongylodesma tsitsikammaensis sp. nov., (magnification X 4).
Figure 9. A in Demosponges of the genus Hymedesmia (Poecilosclerida: Hymedesmidae) from Rathlin Island, Northern Ireland, with a description of six new species
Figure 9. A, Hymedesmia (Stylopus) crami sp. nov. A, large acanthostyle; B, base of large acanthostyle; C, small acanthostyle; D, ends of ectosomal spicule. Scale bars: 10 Mm. B, Hymedesmia (Stylopus) crami sp. nov., surface.
Figure 8. A in Demosponges of the genus Hymedesmia (Poecilosclerida: Hymedesmidae) from Rathlin Island, Northern Ireland, with a description of six new species
Figure 8. A, Hymedesmia (Hymedesmia) stellifera sp. nov. A, small acanthostyle; B, ectosomal spicule; C, large acanthostyle end; D, sigma; E, chelae. Scale bars: 10 Mm. B, Hymedesmia (Hymedesmia) stellifera sp. nov., surface.
Figure 5. A in Demosponges of the genus Hymedesmia (Poecilosclerida: Hymedesmidae) from Rathlin Island, Northern Ireland, with a description of six new species
Figure 5. A, Hymedesmia (Hymedesmia) rathlinia sp. nov. A, large acanthostyle; B, small acanthostyle; C, base of large acanthostyle; D, ends of ectosomal spicule; E, chelae. Scale bars: 10 Mm. B, Hymedesmia (Hymedesmia) rathlinia sp. nov., surface, undisturbed, covered in silt. C, Hymedesmia (Hymedesmia) rathlinia sp. nov., surface, with silt removed.
Figure 7. A in Demosponges of the genus Hymedesmia (Poecilosclerida: Hymedesmidae) from Rathlin Island, Northern Ireland, with a description of six new species
Figure 7. A, Hymedesmia (Hymedesmia) peachii Bowerbank, 1882. A, large acanthostyle; B, small acanthostyle; C, ends of ectosomal spicule; D, small chelae; E, large chelae. Scale bars: 10 Mm. B, Hymedesmia(Hymedesmia) peachii, surface.
Figure 4. A in Demosponges of the genus Hymedesmia (Poecilosclerida: Hymedesmidae) from Rathlin Island, Northern Ireland, with a description of six new species
Figure 4. A, Hymedesmia (Hymedesmia) cratera. sp. nov. A, large acanthostyle; B, base of large acanthostyle; C, small acanthostyle; D, ends of ectosomal spicule; E, chelae. Scale bars: 10 Mm. B, Hymedesmia (Hymedesmia) cratera. sp. nov., surface.
Figure 3. A in Demosponges of the genus Hymedesmia (Poecilosclerida: Hymedesmidae) from Rathlin Island, Northern Ireland, with a description of six new species
Figure 3. A, Hymedesmia (Hymedesmia) umbelliformis sp. nov. A, large acanthostyle; B, small acanthostyle; C, ends of ectosomal spicule; D, chelae. Scale bars: 10 Mm. B, Hymedesmia (Hymedesmia) umbelliformis sp. nov., surface.
Figure 1 in Demosponges of the genus Hymedesmia (Poecilosclerida: Hymedesmidae) from Rathlin Island, Northern Ireland, with a description of six new species
Figure 1. Sampling sites referred to in the text: 1, Damicornis Bay; 2, White Cliffs; 3, Loch Garry; 4, south-east of Doon Point; 5, north-east of Doon Point; 6, Duncan's Bo; 7, Ruecallan; 8, West of Derginan Point. The line around Rathlin Island depicts the 30-m depth contour.
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