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76 results for “Latrunculiidae”
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 16 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 16. Distribution of South African Latrunculiidae genera showing the predominance of Tsitsikamma and Cyclacanthia on the east coast.
FIGURE 17 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 17. Species richness of Latrunculiidae species per ecoregion around South Africa. Pale yellow = Southeast Atlantic and Southwest Indian Ecoregions, Latrunculiidae absent; Yellow = Southwestern Cape inner shelf, Agulhas outer shelf, and Natal Shelf; Orange = Southern Benguela outer shelf; Red = inshore and inner shelf Agulhas ecoregion.
FIGURE 12 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 12. Tsitsikamma (C.) madiba sp. nov.: A. In-situ image of paratype SAMC-A090882; B. Preserved holotype SAMC- A090883; C, D. Isochiadiscorhabds from paratype; E, F. Isochiadiscorhabds from holotype; G. Skeletal architecture of paratype showing thick ectosome (choanosome very fragile and breaks easily); H. Skeletal architecture of holotype, showing thick ectosome and ill-formed choanosomal spicule tracts.
FIGURE 7 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 7. Phylogram constructed from ITS sequences for Tsitsikamma specimens showing integrity of the two subgenera, Tsitsikamma and Clavicaulis subgen. nov.
FIGURE 8 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 8. Variation in in situ morphology and colouration of Tsitsikamma favus Samaai & Kelly, 2002. Specimens collected from (A) Tsitsikamma National Park, (B) St. Francis Bay, (C) Tsitsikamma National Park, (D) Grootbank, Plettenberg Bay, (E) Algoa Bay, (F) St. Francis Bay, (G) Algoa Bay, (H) Jeffreys Bay, (I) Jeffreys Bay.
FIGURE 13 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 13. Tsitsikamma (C.) beukesi sp. nov., holotype SAMC-A090892: A. Preserved holotype; B. Isochiadiscorhabd; C. Skeletal architecture showing thin ectosome, layer of erect isochiadiscorhabds and ill-formed choanosomal skeleton.
FIGURE 11 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 11. Tsitsikamma (C.) pedunculata Samaai & Kelly, 2003, holotype NHMUK2003.1.10.2: A. In-situ image of holotype; B, C. Isospinodiscorhabds from holotype; D. Skeletal architecture of holotype showing thick ectosome and ill-formed choanosomal spicule tracts. Tsitsikamma (C.) michaeli Parker-Nance, 2019, specimen SAMC-A090893: E. Preserved specimen; F. Isochiadiscorhabds; G. Skeletal architecture showing ill-formed, irregular reticulation of anisostyles, a thick ectosome and a single layer of erect isochiadiscorhabds lines the surface of the ectosome.
FIGURE 3 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 3. Map of South Africa showing sampling localities for sponges over the period 2010–2017: A. Shallow-water sampling localities (1–40 m), including the mesophotic reefs on the Agulhas Bank; B. Deep-water sampling localities (50–500 m) by trawl surveys and dredging (black dots) and locations were sponges were collected (red dots); C & D. Locations on the southeast coast, between Tsitsikamma and Amathole region, where Tsitsikamma and Cyclacanthia species co-occur, Tsitsikamma being endemic to the southeast coast (shown in C), Cyclacanthia also occurring further north in the Natal ecoregion (not shown here).
FIGURE 6 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 6. Phylogram constructed from COI sequences showing family Latrunculiidae, as represented by Tsitsikamma, Latrunculia, Cyclacanthia and Sceptrella specimens, as monophyletic and resolved as separate to Tsitsikamma.
FIGURE 15 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 15. Cyclacanthia bellae (Samaai & Kelly, 2003), holotype NHMUK2003.1.10.1: A. In situ specimen; B. Isospinodiscorhabd; C. Skeletal architecture showing thin ectosome and ill-formed choanosomal architecture. Cyclacanthia rethahofmeyri sp. nov., holotype SAMC-A090895: D. Preserved specimen; E, F. Isospinodiscorhabds; G. Large isospinodiscorhabd; H. Skeletal architecture showing thick ectosome and and ill-formed choanosomal architecture.
FIGURE 5 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 5. Microsclere morphology in Tsitsikamma (Tsitsikamma) and T. (Clavicaulis subgen. nov.) species (not to scale): A. T. (T.) favus Samaai & Kelly, 2002; B. T. (T.) scurra Samaai & Kelly 2003; C. T. (T.) amatholensis sp. nov.; D. T. (T.) nguni Parker-Nance, 2019; E. T. (Clavicaulis) pedunculata Samaai & Kelly, 2003; F. T. (C.) madiba subgen. et sp. nov.; G. T. (C.) michaeli Parker-Nance, 2019; H. T. (C.) beukesi subgen. et sp. nov.
FIGURE 4 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 4. Two-dimensional ordination plot for the two-morphometric parameters based on the raw data from the present study. The ellipses drawn represent distribution spaces for each species.
FIGURE 14 in New Latrunculiidae (Demospongiae, Poecilosclerida) from the Agulhas ecoregion of temperate southern Africa
FIGURE 14. Isospinodiscorhabd microsclere morphology in Cyclacanthia Samaai & Kelly, 2004: A. Type species, C. bellae (Samaai and Kelly, 2003), specimen NHMUK2003.1.10.1; B. C. mzimayiensis Samaai & Kelly, 2004, holotype SAM H-5082; C. C. cloverlyae Samaai & Kelly, 2004, holotype SAM H-5080; D. C. rethahofmeyri sp. nov., holotype SAMC-A090895, small isoconicorhabds; E. C. rethahofmeyri sp. nov., holotype SAMC-A090895, large isoconicorhabds.
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