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17 results for “Hymedesmiidae”
FIGURE 2. Acantorna tahoma n in Acantorna-a new genus of Hymedesmiidae (Porifera, Demospongiae Poecilosclerida) from the western Aleutian Islands of Alaska with description of Acantorna tahoma n. sp.
FIGURE 2. Acantorna tahoma n. sp. A, Holotype, front. B, Holotype, back. C, Holotype from top; note oscules located here. D, Spicule tracts of acantornotes ending in surface brushes forming a palisade. Below confused arrangement of all spicule types. E, Close-up view of spicule brushes of acantornotes at the surface (lower right). F, Section through choanosomal canal ligned by microscleres. G, Choanosomal acanthostyles, acantornotes and microscleres. H, Acantornote from upper left to lower right among microscleres. Blunt end of acanthostyle at left. Tip of acanthostyle pointing to acantornote.
FIGURE 6 in Three new Hymedesmia Bowerbank, 1864 (Demospongiae, Poecilosclerida Hymedesmiidae) from the Southeast Pacific (Peru and Chile)
FIGURE 6. Hymedesmia species occurring in the southern hemisphere. Species (numbers): 1―H. (H.) peruana sp. nov.; 2―H. (H.) santarositae sp. nov.; 3―H.(H.) humboldti sp. nov.; 4―H. (S.) lissostyla (Bergquist & Fromont, 1988); 5― H.(H.) croftsae Goodwin, Jones, Neely & Brickle, 2016; 6―H. (H.) laptikhovskyi Goodwin, Jones, Neely & Brickle, 2016; 7―H. (H.) antarctica Hentschel, 1914; 8―H. (H.) leptochela Hentschel, 1914; 9―H. (S.) hentscheli van Soest & Hooper, 2020; 10―H. (H.) gaussiana Hentschel, 1914; 11―H. (H.) noramaloneae Goodwin, Berman & Hendry, 2019; 12―H. (S.) fristedti (Topsent, 1916); 13―H. (H.); barnesi Goodwin, Brewin & Brickle, 2012; 14―H. (S.) pharos Goodwin, Brewin & Brickle, 2012; 15―H.(H.) similima var. antarctica Hentschel, 1914; 16―H. (S.) ernsthentscheli van Soest & Hooper, 2020, 17―H.(H.) decepta (Kirkpatrick, 1907); 18―H. (H.) unguifera Burton, 1929; 19―H. (H.) mariondufresni Boury-Esnault & van Beveren, 1982; 20―H. (H.) aurantiaca Lévi, 1963; 21―H. (H.) parva Stephens, 1915, 22―H. (H.) mertoni Hentschel, 1912; 23―H. (H.) murrayi Burton, 1959; 24―H. (S.) dendyi Burton, 1930; 25―H. (H.) baculifera var. australiensis Hentschel, 1911; 26―H. (H.) dichela (Hentschel, 1911); 27―H.(S.) australiensis (Hentschel, 1911); 28―H. (S.) oculifera (Hentschel, 1911); 29―H. (H.) brachyrhabda Lévi & Lévi, 1983; 30―H. (H.) lundbecki Dendy, 1924; 31―H. (H.) spiniarcuata Lévi & Lévi, 1983; 32―H. (S.) australis (Bergquist & Fromont, 1988); 33―H. (H.) anisostrongyloxea Bergquist & Fromont, 1988; 34―H. (H.) microstrongyla anisostrongyloxea Bergquist & Fromont, 1988. Ecoregion (letters): a―Guayaq- uil; b―Humboldtian; c―Central Chile; d―Chiloense; e―Malvinas/Falklands; f―Uruguay-Buenos Aires Shelf; ―South; h―Antarctic Peninsula; i―Weddell Sea; j―East Antarctic Wilkes Land; k―Ross Sea; l―Kerguelen Islands; m―Namaqua; n―Western and Northern Madagascar; o―East African Coral Coast; p―Cargados Carajos/Tromelin Island; q―South India and Sri Lanka; r―Shark Bay; s―Leeuwin; t―Arafura Sea; u―New Caledonia; v―Three Kings-North Cape; w―Northeastern New Zealand; x―Central New Zealand.
FIGURE 4 in Three new Hymedesmia Bowerbank, 1864 (Demospongiae, Poecilosclerida Hymedesmiidae) from the Southeast Pacific (Peru and Chile)
FIGURE 4. Hymedesmia (H.) peruana sp. nov. Bar plot illustrating the size frequency distribution obtained by the Sturges Algorithm for the acanthostyles (n = 100).
FIGURE 5 in Three new Hymedesmia Bowerbank, 1864 (Demospongiae, Poecilosclerida Hymedesmiidae) from the Southeast Pacific (Peru and Chile)
FIGURE 5. Hymedesmia (H.) humboldti sp. nov. A–B, live specimen (MNRJ 12078); C, skeleton architecture in transverse ground section; D, choanosomal acanthostyle I; E, choanosomal acanthostyle II; F, ectosomal tornote; G–H, details of F; I–J, isochelae. Scale bars: A, approx. 2 cm; B, approx. 0.5 cm; C, 200 µm D–F, 100 µm; G–H, 20 µm; I–J, 10 µm.
FIGURE 2 in Three new Hymedesmia Bowerbank, 1864 (Demospongiae, Poecilosclerida Hymedesmiidae) from the Southeast Pacific (Peru and Chile)
FIGURE 2. Hymedesmia (H.) santarositae sp. nov. A–B, live specimen (MNRJ 12843); C, skeleton architecture in transverse ground section; D, microstrongyles in ground section; E, choanosomal acanthostyle I; F, choanosomal acanthostyle II; G, ectosomal tornote; H–I, details of G; J, sigma; K–L, microstrongyles; M–N, isochelae. Scale bars: A, approx. 5 cm; B, 1 cm; C, 200 µm; D, 100 µm; E–G, 100 µm; H–I, 20 µm; J–N, 10 µm.
FIGURE 3 in Three new Hymedesmia Bowerbank, 1864 (Demospongiae, Poecilosclerida Hymedesmiidae) from the Southeast Pacific (Peru and Chile)
FIGURE 3. Hymedesmia (H.) peruana sp. nov. A, live specimen (MNRJ 13694); B–C, skeleton architecture in transverse ground section; D, choanosomal acanthostyle I; E, choanosomal acanthostyle II; F, choanosomal acanthostyle III; G, ectosomal tornote; H–I, details of G; J–K, isochelae. Scale bars: A, 2 cm; B–C, 200 µm; D–G, 100 µm; H–I, 20 µm; J–K, 10 µm.
FIGURE 1 in Three new Hymedesmia Bowerbank, 1864 (Demospongiae, Poecilosclerida Hymedesmiidae) from the Southeast Pacific (Peru and Chile)
FIGURE 1. Map indicating the collecting localities of Peruvian Hymedesmia spp. described in this study. Legend: 1―Isla Santa Rosa (Reserva National de Paracas, Ica Region); 2―Isla Foca (Piura Region.); 3―Matarani (Bahia Uncupita, Arequipa Region); 4―Punta Coles (Ilo, Moquega Region).
FIGURE 5 in Integrative taxonomy of Hemimycale (Hymedesmiidae: Poecilosclerida: Demospongiae) from Southeastern Brazil, with the description of two new species
FIGURE 5. Molecular phylogenetic analySiS of 18S rRNA gene SequenceS of different genera of the family HymedeSmiidae. The evolutionary hiStory WaS inferred by uSing the Maximum Likelihood method baSed on the General Time ReverSible model. The SequenceS Were generated in thiS Study or doWnloaded from Genbank. SequenceS from the SpecieS Monanchora arbuscula Were uSed to root the tree. Only bootStrap valueS above 50% are ShoWn.
FIGURE 4 in Integrative taxonomy of Hemimycale (Hymedesmiidae: Poecilosclerida: Demospongiae) from Southeastern Brazil, with the description of two new species
FIGURE 4. Hemimycale ceadensis sp. nov., fixed Specimen, Skeleton and SpiculeS; (A) Paratype 203; (B) CloSe up of a pore Sieve of the Holotype MNRJ 21303; (C) CroSS-Section of Skeleton obtained from a parafin embeded Specimen (the arroW point to the Skeleton of a pore Sieve); (D) Tangential Section of the Skeleton ShoWing the choanoSomal aScending tractS of (Subtylo-)StrongyleS ending in SubectoSomal tuftS next to the Surface (the arroWS point to the Skeleton of pore SieveS); (E‒F), SEM imageS of SpiculeS: (E) StrongyleS varying to aniSoStrongyleS or SubtyloStrongyleS; (F) ExtremitieS of (Subtylo-)StrongyleS in detail.
FIGURE 2 in Integrative taxonomy of Hemimycale (Hymedesmiidae: Poecilosclerida: Demospongiae) from Southeastern Brazil, with the description of two new species
FIGURE 2. In situ photographS of Hemimycale neW SpecieS from SoutheaStern Brazil Ecoregion. (A‒B) Hemimycale oxeata sp. nov. from Guriri iSlet: (A) Paratype UERJPOR 110; (B) Surface of the Paratype UERJPOR 105 in detail; (C‒D) Hemimycale ceadensis sp. nov. from Jorge Grego ISland: (C) Holotype 21303 (D) Surface of the Paratype UERJPOR 188 in detail.
FIGURE 3 in Integrative taxonomy of Hemimycale (Hymedesmiidae: Poecilosclerida: Demospongiae) from Southeastern Brazil, with the description of two new species
FIGURE 3. Hemimycale oxeata sp. nov., fixed Specimen, Skeleton and SpiculeS; (A) Paratype UERJPOR 110; (B) CloSe up of a pore Sieve of the Paratype MNRJ 276; (C) CroSS Section of Skeleton obtained from a paraffin embedded fragment of a Specimen; (D) CroSS Section of Skeleton obtained With a diamond SaW from an epoxy reSin embedded Specimen (the arroW point to the Skeleton of a pore Sieve); (E‒H) SEM imageS of SpiculeS: (E) StrongyleS varying to SubtyloteS or SubtyloStrongyleS; (F) ExtremitieS of (Subtylo-)StrongyleS in detail; (G) OxeaS; (H) Mucronate and teleScoped endS of oxeaS in detail.
FIGURE 1 in Integrative taxonomy of Hemimycale (Hymedesmiidae: Poecilosclerida: Demospongiae) from Southeastern Brazil, with the description of two new species
FIGURE 1. DiStribution of Hemimycale Spp. in the SoutheaStern Brazil Ecoregion (A) Map of South America With SoutheaStern Brazil Ecoregion and Sampling areaS in detail; (B) Arraial do Cabo and Cabo Frio iSland; (C) Ilha Grande; (D) São SebaStião and Ilhabela; (E) AlcatrazeS Archipelago; (F) Arvoredo iSland. (*) Hemimycale oxeata sp. nov.; (•) Hemimycale ceadensis sp. nov.
FIGURE 3 in New Poecilosclerida from mesophotic coral reefs and the deep-sea escarpment in the Pulley Ridge region, eastern Gulf of Mexico: Discorhabdella ruetzleri n.sp. (Crambeidae) and Hymedesmia (Hymedesmia) vaceleti n. sp. (Hymedesmiidae)
FIGURE 3. Hymedesmia (Hymedesmia) vaceleti n.sp. A. habitus, thinly encrusting on Lophelia rubble and snails (scale 1 cm), B. ectosomal smooth tornote (scale 40 µm), C. hymedesmoid arrangement of megascleres observed in fragment that had been previously treated with nitric acid for spicule dissociation (scale 100 µm), D. smaller category of acanthostyles (scale 37.5 µm), E. arcuate isochela, side view (scale 22 µm), F. arcuate isochela, back view showing flattened shaft (scale 27.5µm).
FIGURE 1 in New Poecilosclerida from mesophotic coral reefs and the deep-sea escarpment in the Pulley Ridge region, eastern Gulf of Mexico: Discorhabdella ruetzleri n.sp. (Crambeidae) and Hymedesmia (Hymedesmia) vaceleti n. sp. (Hymedesmiidae)
FIGURE 1. Map of the northeastern Gulf of Mexico showing the area of Pulley Ridge and the localities where the two new Poecilosclerida species were collected.
FIGURE 2. Discorhabdella ruetzleri n in New Poecilosclerida from mesophotic coral reefs and the deep-sea escarpment in the Pulley Ridge region, eastern Gulf of Mexico: Discorhabdella ruetzleri n.sp. (Crambeidae) and Hymedesmia (Hymedesmia) vaceleti n. sp. (Hymedesmiidae)
FIGURE 2. Discorhabdella ruetzleri n.sp. A. habitus (scale 1 cm), B. principal choanosomal subtylostyle with smooth tyle (scale 70 µm), C. pseudoastrose echinating acanthostyles with sub-terminal supination on apical spine, and sigma (scale 15µm), D. shorter choanosomal subtylostyles with smooth tyle (scale 100µm), E. pseudoastrose echinating acanthostyles with smooth apical spine (scale 10 µm), F. spined microrhabd (scale 10µm).
FIGURE 3. A, Choanosomal acanthostyle. B, Acantornotes. C, Arcuate isochelae. D in Acantorna-a new genus of Hymedesmiidae (Porifera, Demospongiae Poecilosclerida) from the western Aleutian Islands of Alaska with description of Acantorna tahoma n. sp.
FIGURE 3. A, Choanosomal acanthostyle. B, Acantornotes. C, Arcuate isochelae. D, Sigmas.
FIGURE 1 in Acantorna-a new genus of Hymedesmiidae (Porifera, Demospongiae Poecilosclerida) from the western Aleutian Islands of Alaska with description of Acantorna tahoma n. sp.
FIGURE 1. Map of the Aleutian Islands, Alaska in the North Pacific Ocean showing the location (circle) where the holotype was collected.
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