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1,651 results for “Demospongiae”
Fig. 3 in Rare sponges from marine caves: discovery of Neophrissospongia nana nov. sp. (Demospongiae, Corallistidae) from Sardinia with an annotated checklist of Mediterranean lithistids
Fig. 3. Neophrissospongia nana nov. sp., holotype MSNG 54599, spicular complement. A. Dichotriaene. B. Cladome of a tubercled dichotriaene (top view). C. Streptaster/amphiaster microscleres with tubercles. D. Cladome of a smooth dichotriaene (top view). E. Dicranoclone desma. F. Styles/sub-tylostyles.
Fig. 2 in Rare sponges from marine caves: discovery of Neophrissospongia nana nov. sp. (Demospongiae, Corallistidae) from Sardinia with an annotated checklist of Mediterranean lithistids
Fig. 2. Neophrissospongia nana nov. sp., holotype MSNG 54599, photomicrographs of the skeletal architecture and spicular complement. A-C. Subectosomal skeletal network of dicranoclone desmas. D. Dichotriaene (top) and simple triaene (bottom, arrows) radially arranged in the ectosome with tubercled cladomes. E. Articulation among desmas with scattered styles/sub-tylostyles in the sub-ectosome. F. Detail showing the arrangement of silica in dicranoclone desmas (cross section) and styles/sub-tylostyles (arrows). G-I. Streptaster/amphiaster microscleres with spines/tubercles.
Fig. 1 in Rare sponges from marine caves: discovery of Neophrissospongia nana nov. sp. (Demospongiae, Corallistidae) from Sardinia with an annotated checklist of Mediterranean lithistids
Fig. 1. Habitus of the cave-dwelling Mediterranean Neophrissospongia nana nov. sp. from north-western Sardinia. A. In situ plate-like growth form in the type locality Grotta delle Terrazze (photo by R. Barbieri), B. Holotype MSNG 54599 (top view) (photo by G. Delitala).
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 First record of Ciocalypta (Demospongiae: Halichondrida) from Brazil, southwestern Atlantic, with the description of a new species
FIGURE 2. Ciocalypta sp. nov., (Holotype, MCNPOR 5056). a. Specimen fixed and preserved in alcohol (Scale bar = 1.5 cm); b. Fistule skeleton; c. Basal skeleton (Scale bar = 400 m). d. Oxeas (Scale bar = 200 m).
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 in Four new sympatric species of Tethya (Demospongiae: Hadromerida) from Abrolhos Archipelago (Bahia State, Brazil)
FIGURE 3. Tethya brasiliana sp. nov. A, preserved holotype (UFRJPOR 4670 A); B and C, architecture of the ectosome and choanosome; D, strongyloxea; E, spherasters and strongylasters; F, microspheraster; G, strongylaster and microoxyaster; H, microoxyaster. B – D, LM; E – H, SEM.
FIGURE 2 in Four new sympatric species of Tethya (Demospongiae: Hadromerida) from Abrolhos Archipelago (Bahia State, Brazil)
FIGURE 2. In situ closeups of three species of Tethya from Abrolhos Archipelago, Brazil. A, B, Tethya brasiliana sp. nov. (paratypes); C, Tethya ignis sp. nov. (holotype); D, Tethya rubra sp. nov. (holotype).
FIGURE 6 in Four new sympatric species of Tethya (Demospongiae: Hadromerida) from Abrolhos Archipelago (Bahia State, Brazil)
FIGURE 6. Tethya rubra sp. nov. A, preserved holotype (MNRJ 5316); B, architecture of the ectosome and choanosome; C, strongyloxea; D, E, spherasters; F, oxyaster; G, oxyaster and tylasters; H, tylaster. B – C, LM; D – H, SEM.
FIGURE 4 in Four new sympatric species of Tethya (Demospongiae: Hadromerida) from Abrolhos Archipelago (Bahia State, Brazil)
FIGURE 4. Tethya cyanae sp. nov. A, preserved holotype (MNRJ 6723); B, architecture of the ectosome and choanosome; C, strongyloxea; D, spheraster; E, spheraster and tylaster; F, oxyaster and tylaster; G, tylaster; H, microoxyaster and tylasters. B – C, LM; D – H, SEM.
FIGURE 5 in Four new sympatric species of Tethya (Demospongiae: Hadromerida) from Abrolhos Archipelago (Bahia State, Brazil)
FIGURE 5. Tethya ignis sp. nov. A, preserved holotype (MNRJ 5322 A); B, architecture of the ectosome and choanosome; C, strongyloxea; D, spheraster; E, oxyaster and tylaster; F, oxyaster. B – C, LM; D – F, SEM.
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).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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