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76 results for “Latrunculiidae”
FIGURE 2 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 2. Distribution of the two major ocean currents that sweep the coastal regions of South Africa; the warm Agulhas current on the south and east coasts, and the cold Benguela current on the west coast. Green circles indicate areas of coastal upwelling.
FIGURE 10 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 10. Tsitsikamma (T.) scurra Samaai & Kelly, 2003, holotype NHMUK2003.1.10.3: A. Preserved holotype; B, C. Isospinodiscorhabds from holotype; D. Skeletal architecture from holotype showing the ectosome (dark band) and choanosome of Tsitsikamma (T.) scurra. Tsitsikamma (T.) amatholensis sp. nov.: E. Preserved paratype SAMC-A090877; F–H. Isochiadiscorhabds from paratype; I. Preserved holotype SAMC-A090878; J–L. Isochiadiscorhabds from holotype; M. Skeletal architecture of holotype showing ill-formed, irregular reticulation of anisostyles and a single layer of erect isochiadiscorhabds lines the surface of the ectosome.
FIGURE 1 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 1. Six marine ecoregions in the South African marine environment (Fig. 4, Sink et al. 2012), with 22 ecozones incorporating biogeographic and depth divisions. Permission granted by K. Sink to modify figure.
FIGURE 9 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 9. Variation in the isochiadiscorhabd of Tsitsikamma (T.) favus Samaai & Kelly, 2002: A, B. Isochiadiscorhabd, holotype NHMUK 1997.7.3.2; C. Skeletal architecture, holotype NHMUK 1997.7.3.2, showing thick ectosome (dark band) and honeycomb-like chambers and convoluted layers of very thick reinforced tracts of anisostyles, forming meshes that are elliptical in shape; D, E. Isochiadiscorhabd, specimen SAMC-A090903; F, G. Isochiadiscorhabd, specimen SAMC-A091421; H–J. Isochiadiscorhabd, specimen SAMC-A091442.
FIGURE 1 in A new species of Strongylodesma Lévi, 1969 (Porifera; Demospongiae; Poecilosclerida; Latrunculiidae) from Aliwal Shoal on the east coast of South Africa
FIGURE 1. Map of collection locality on the east coast of South Africa. Aliwal Shoal is situated about 5km off the town of Umkomaas on the KwaZuluNatal South Coast, about 45 minutes drive from Durban.
FIGURE 6 in South African Latrunculiidae (Porifera: Demospongiae: Poecilosclerida): descriptions of new species of Latrunculia du Bocage, Strongylodesma Lévi, and Tsitsikamma Samaai & Kelly
FIGURE 6. Skeletal arrangement within Tsitsikamma spp: A, Tsitsikamma favus Samaai & Kelly, (magnification X 4); B, T. pedunculata sp. nov., (magnification X 10); C, T. scurra sp. nov., (magnification X 4); D, Anisostrongyles in Strongylodesma algoaensis sp. nov.; E, Anisostrongyles in Strongylodesma tsitsikammaensis sp. nov..
FIGURE 5 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 5. Skeletal architecture showing massive choanosomal tracts and tangential ectosome, and irregular palisade of microscleres: A–B. C. cloverlyae sp. nov. [SAMH 5080]; C–D. C. mzimayiensis sp. nov. [SAMH 5082]; E–F. C. mzimayiensis sp. nov. [SAM H5081];
FIGURE 4. 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 4. A. Styles of C. bellae Samaai & Kelly [BMNH 2003.1.10.1]; B. Styles of C. cloverlyae sp. nov. [SAMH 5080]; C, D. Styles of U. mzimayiensis sp. nov. [SAMH 5082 and SAMH 5081]; E. Close up view of the proximal and distal ends of the style as found in C. cloverlyae sp. nov.; F, G. Close up view of the proximal and distal ends of the style as found in C.. mzimayiensis 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 H5081]; 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 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 H5080]; F. Isospinodiscorhabd of C. bellae Samaai & Kelly [BMNH 2003.1.10.1]; G–H, Isospinodiscorhabd of C. mzimayiensis sp. nov. [SAM H5082 and SAM H5081].
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 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 H5083); B. A close up frame of the fungiform areolate porefields and cylindrical oscules of Strongylodesma aliwaliensis sp. nov. (SAM H5083); C. Smooth anisostrongyles with one end narrower within Strongylodesma aliwaliensis sp. nov. (Anisostrongyles) (1000 X).
FIGURE 3A, C in A new species of Strongylodesma Lévi, 1969 (Porifera; Demospongiae; Poecilosclerida; Latrunculiidae) from Aliwal Shoal on the east coast of South Africa
FIGURE 3A, C. Skeletal architecture of the holotype (SAM H5083) (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 9423) (50 X); D. Skeletal architecture showing the region of convoluted tracts of anisostrongyles (100 X).
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 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 3 in Latrunculia (Latrunculia) tetraverticillata sp. nov. (Porifera, Poecilosclerida, Latrunculiidae) from the bathyal region off the coast of Santa Catarina State, Brazil, Southwestern Atlantic
FIGURE 3. Anisodiscorhabds of Latrunculia (Latrunculia) spp. from the South western Atlantic. A, L. brevis Ridley & Dendy, 1886; B, L. biformis Kirkpatrick, 1908; C, L. bocagei Ridley & Dendy, 1886; D, L. tetraverticillata sp. nov.
FIGURE 2 in Latrunculia (Latrunculia) tetraverticillata sp. nov. (Porifera, Poecilosclerida, Latrunculiidae) from the bathyal region off the coast of Santa Catarina State, Brazil, Southwestern Atlantic
FIGURE 2. Latrunculia (Latrunculia) tetraverticillata sp. nov. (Holotype, MCNPOR 3695). A, Specimen preserved in alcohol; B, Skeletal arrangement; C, Strongyloxea; D, Detail of strongyloxea extremities; E, Anisodiscorhabds.
FIGURE 3 in New species of Latrunculia from the Agulhas shelf, South Africa, with designation of a type species for subgenus Biannulata (Demospongiae, Poecilosclerida, Latrunculiidae)
FIGURE 3. Latrunculia (Biannulata) gotzi sp. nov.: A. Holotype SAM-A2418, in situ, scale = 15 mm; B. Transverse histological section of the body showing loose wispy tracts and relatively cavernous interior, scale = 144 µm; C. Protodiscorhabd showing undifferentiated basal and apical whorls, scale = 12 µm; D. Mature anisodiscorhabds with incised whorls of spines and undifferentiated basal whorl and manubrium, scale = 12 µm; E. Ornamentation of the subsidiary and median whorls showing spear-head morphology, scale = 8 µm; F. Lightly spined styles, scale = 5 µm.
FIGURE 6. A in New species of Latrunculia from the Agulhas shelf, South Africa, with designation of a type species for subgenus Biannulata (Demospongiae, Poecilosclerida, Latrunculiidae)
FIGURE 6. A comparison of anisodiscorhabds and other microscleres of species presently considered valid within subgenera Latrunculia (L.) du Bocage, 1869 (A–N), L. (Biannulata) Samaai et al., 2006 (O–AA), and L. (B.) incertae sedis (AB–AD): A. L. (L.) triverticillata Alvarez et al., 2002; B. L. (L.) fiordensis Alvarez et al., 2002; C. L. (L.) oxydiscorhabda Alvarez et al., 2002; D. L. (L.) cratera du Bocage, 1869; E. L. (L.) bocagei Ridley & Dendy, 1886; F. aciculodiscorhabd of L. (L.) apicalis Ridley & Dendy, 1886; G. aciculodiscorhabd of L. (L.) biformis Kirkpatrick, 1908; H. L. (L.) basilis Kirkpatrick, 1908; I. L. (L.) brevis Ridley & Dendy, 1886; J. L. (L.) palmata Lévi, 1964; K. L. (L.) multirotalis Topsent, 1905; L. L. (L.) ikematsui Tanita, 1968; M. L. (L.) novaecaledoniae Samaai et al., 2006; N. L. (L.) crenulata Lévi, 1993; O. L. (B.) kaakaariki Alvarez et al., 2002; P. L. (B.) duckworthi Alvarez et al., 2002; Q. L. (B.) procumbens Alvarez et al., 2002; R. L. (B.) wellingtonensis Alvarez et al., 2002; S. L. (B.) kaikoura Alvarez et al., 2002; T. L. (B.) millerae Alvarez et al., 2002; U. L. (B.) spinispiraefera Brøndsted, 1924; V. L. (B.) purpurea Carter, 1881; W. L. (B.) lunaviridis Samaai & Kelly, 2003; X. L. (B.) microacanthoxea Samaai & Kelly, 2003; Y. L. (B.) gotzi sp. nov.; Z. L. (B.) kerwathi sp. nov.; AA. L. (B.) algoaensis sp. nov.; AB. L. austini Samaai et al., 2006; AC. L. citharistae Vacelet, 1969; AD. L. oparinae Samaai & Krasokhin, 2002. Reproduced or redrawn from du Bocage (1869), Ridley & Dendy (1886), Topsent (1905), Brøndsted (1924), Lévi (1964, 1993), Alvarez et al. (2002), Samaai & Krasokhin (2002), Samaai & Kelly (2003), Samaai et al. (2006), (not to scale).
FIGURE 5 in New species of Latrunculia from the Agulhas shelf, South Africa, with designation of a type species for subgenus Biannulata (Demospongiae, Poecilosclerida, Latrunculiidae)
FIGURE 5. Latrunculia (Biannulata) algoaensis sp. nov.: A. Holotype SAM-A24720, preserved specimen, scale = 10 mm; B. Transverse histological section of the body showing the thick ectosome, scale = 100 µm; C. Anisodiscorhabd with smooth, sculpted, vertical, multispined, projections at base, scale = 10 µm.
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