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27 results for “Halichondrida”
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 1 in First record of Ciocalypta (Demospongiae: Halichondrida) from Brazil, southwestern Atlantic, with the description of a new species
FIGURE 1. Location of São Paulo State (A) and Santa Catarina State (B), with the collecting localities indicated: a, Ponta do Frade, Ilhabela; b, Saco das Anchovas, Ilhabela; c, Ilha da Serraria, Ilhabela; d, Ilha de Coral, Florianópolis.
FIGURES 67. Axinyssa djiferi spec. nov. 6 in A new species of Axinyssa Lendenfeld, 1897 (Porifera, Demospongiae, Halichondrida) from the Senegalese coast
FIGURES 67. Axinyssa djiferi spec. nov. 6, Spicules, large (L) and small (s) oxeas. Scale bar: 55 µm; 7. Detail of a styloid spicule. Scale bar: 40 µm.
FIGURES 45. Axinyssa djiferi spec. nov. 4 in A new species of Axinyssa Lendenfeld, 1897 (Porifera, Demospongiae, Halichondrida) from the Senegalese coast
FIGURES 45. Axinyssa djiferi spec. nov. 4, Details of embryos. Scale bar: 3 µm; 5, Details of ectosomal and choanosomal skeleton. C: conules. E: tangential oxeas. B: brushes. T: choanosomal tracts. F: free spicules. Scale bar: 370 µm
FIGURES 13 in A new species of Axinyssa Lendenfeld, 1897 (Porifera, Demospongiae, Halichondrida) from the Senegalese coast
FIGURES 13. Typespecimen of Axinyssa djiferi spec. nov.. 1, A upper surface, arrow papilla. Scale bar: 10 mm. B transversal section. Scale bar: 13 mm. 2, Longitudinal section through a papilla showing the skeleton. T: choanosomal tracts; E: ectosomal skeleton. Scale bar: 5 mm. 3, Choanosomal skeleton. T: tracts; E: embryos. Scale bar: 30 µm.
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 3 in First record of Axinyssa Lendenfeld, 1897 (Demospongiae, Halichondrida) from the East Pacific Ocean, with the description of Axinyssa isabela sp. nov.
FIGURE 3. SEM and LM pictures of different shaped surfaces of Axinyssa isabela sp. nov. A) SEM tangential view of smooth surface with some protruding spicules; B) SEM detail of irregular surface with ascending spicules tracts, protruding through the surface; C–G) Cross-sections (LM) in different surface morphologies.
FIGURE 1 in First record of Axinyssa Lendenfeld, 1897 (Demospongiae, Halichondrida) from the East Pacific Ocean, with the description of Axinyssa isabela sp. nov.
FIGURE 1. Sampling localities and distribution of Axinyssa isabela sp. nov. along the coast of Isabel Island (Sea of Cortes, Pacific Ocean). The numbers show the different localities: (1) Playa Iguanas, (2) Cerro del Faro, (3) Bahía Tiburones, (4) Punta Bobos, (5) Costa Fragatas, (6) Las Monas.
FIGURE 2 in First record of Axinyssa Lendenfeld, 1897 (Demospongiae, Halichondrida) from the East Pacific Ocean, with the description of Axinyssa isabela sp. nov.
FIGURE 2. External morphology of three different specimens (A, B, C) of Axinyssa isabela sp. nov. in situ.
FIGURE 3 in New species of Myrmekioderma (Demospongiae: Halichondrida: Heteroxyidae) from Brazil
FIGURE 3. Myrmekioderma intrastrongyla sp. nov. (A) ectosome and choanosome through transverse section; (B) transversal section of choanosome; (C) strongyle; (D) extremities of strongyle; (E and G) acanthoxeas; (F and H) extremities of acanthoxeas; (I) acanthoxea modified to style; (J–K) extremities of acanthoxea modified to style; (L) trichodragmata I; (M) trichodragmata II. Scale bars: A, 205 µm; B, 81 µm; C, 100 µm; D, 20 µm E, 50 µm; F, 20 µm; G, 50 µm; H, 10 µm; I, 50 µm; J–K, 10 µm; L, 21 µm; M, 11 µm.
FIGURE 2 in New species of Myrmekioderma (Demospongiae: Halichondrida: Heteroxyidae) from Brazil
FIGURE 2. Myrmekioderma intrastrongyla sp. nov. (A) holotype (MNRJ16784); (B) UFPEPOR1529, with tubercular projections; (C) UFSPOR137, with polygonal protuberances (honeycomb) separated by shallow grooves. Scale bars: A–C, 1 cm.
FIGURE 1 in New species of Myrmekioderma (Demospongiae: Halichondrida: Heteroxyidae) from Brazil
FIGURE 1. Collection sites (black circles) of Myrmekioderma intrastrongyla sp. nov. off Aracaju, Pirambu and Piaçabuçu cities, Sergipe and Alagoas States, Brazil (11º03'14.71''S 36º54'52.36''; 10º 45'36''S 36º36'08''W; 10º24'30.95'' S 36º03'6.55'' W).
FIGURE 1 in Axinyssa ambrosia and Axinyssa yumae (Porifera, Halichondrida): two valid sponge species from the Caribbean Sea
FIGURE 1. Axinyssa ambrosia. Photomicrographs of spicules (A) and of cross-section of the skeleton at the surface (C). Underwater close-up of the surface (B)
FIGURE 2 in Axinyssa ambrosia and Axinyssa yumae (Porifera, Halichondrida): two valid sponge species from the Caribbean Sea
FIGURE 2. Axynissa yumae. Photomicrographs of spicules (A) and of cross-section of the skeleton at the surface (B).
FIGURE 3 in Axinyssa ambrosia and Axinyssa yumae (Porifera, Halichondrida): two valid sponge species from the Caribbean Sea
FIGURE 3. Underwater photographs of Axinyssa ambrosia (A, B, C) and Axinyssa yumae (D, E, F) at Santa Marta, Colombia. Each square in the white grid in (B) is 1 cm on a side.
FIGURE 1 in Dragmaxia anomala sp.n. (Demospongiae: Halichondrida) from the southwestern Atlantic (Brazil)
FIGURE 1: Map showing South America, a section of the southeastern Brazilian coastline, and in detail, Ilhabela, with the collecting localities of Dragmaxia anomala sp.n. a. Codo Islet, Saco da Serraria. b. Ilha da Serraria. c. Saco das Anchovas.
FIGURE 2 in Dragmaxia anomala sp.n. (Demospongiae: Halichondrida) from the southwestern Atlantic (Brazil)
FIGURE 2. Dragmaxia anomala sp.n. A. Specimen seen alive (Paratype, MNRJ 500). B. Holotype (MNRJ 122) fixed and preserved in alcohol (Scale bar = 1cm). C. Choanosome skeleton (Scale bar = 200µm). D. Styles and (subtylo)styles (Scale bar = 100µm). E. Raphide (Scale bar = 10µm). F. Raphide in detail (Scale bar = 5 m).
FIGURE 3 in Two new species of Halichondrida (Demospongiae) and the first record of Phycopsis and Ciocalapata for Brazil
FIGURE 3. Ciocalapata minuspiculifera sp. nov.: (A) specimen in situ; (B) specimen in spirit; (C) Oxea I; (D) Oxea II; (E) Style; (F) Skeleton. Scale bars: A–B, 2 cm; C–E, 100 µm; F, 200 µm.
FIGURE 2 in Two new species of Halichondrida (Demospongiae) and the first record of Phycopsis and Ciocalapata for Brazil
FIGURE 2. Phycopsis styloxeata sp. nov. (UFBA 4209-POR): (A) specimen in situ; (B) specimen in spirit; (C) Oxea; (D) Style I; (E) Style II; (F) Skeleton. Scale bars: A–B, 1 cm; C–D, 50 µm; E, 100 µm; F, 200 µm.
FIGURE 1 in Two new species of Halichondrida (Demospongiae) and the first record of Phycopsis and Ciocalapata for Brazil
FIGURE 1. Map of Brazil, indicating the position of Bahia state and detail of the Camamu bay, the type locality of Phycopsis styloxeata sp. nov. (*) and Ciocalapata minuspiculifera sp. nov. (•)
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International Brain Laboratory public data
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OpenNeuro
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