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133 results for “sponge taxonomy”
Figure 6. Janusya indica A in Integrative taxonomy of calcareous sponges (Porifera: Calcarea) from Réunion Island, Indian Ocean
Figure 6. Janusya indica A, cross-section of the specimen UFRJPOR 8945. B, cross-section of the specimen UFRJPOR 8932 with an apical actine of a tetractine pointing towards the lumen of a tube. C, diactine. D, triactines. E, triactines with shorter unpaired actine. F, tetractines (arrowhead points to a trichoxea).
Figure 4 in Integrative taxonomy of calcareous sponges (Porifera: Calcarea) from Réunion Island, Indian Ocean
Figure 4. Maximum likelihood phylogenetic tree based on C-LSU sequences of the subclass Calcaronea. Midpoint-rooted tree. Species sequences generated in this work are in bold. Clades containing species found in this work are highlighted. Coloured circles represent different chromotypes (yellow, pink or white) of Ute insulagemmae. Support values are shown at the nodes (Bootstrap> 70%; posterior probability> 0.7).
Figure 3 in Integrative taxonomy of calcareous sponges (Porifera: Calcarea) from Réunion Island, Indian Ocean
Figure 3. Maximum likelihood phylogenetic tree based on ITS sequences of the subclass Calcinea. Midpoint-rooted tree. Species sequences generated in this work are in bold. Clades containing species found in this work are highlighted. Support values are shown at the nodes (bootstrap> 70%; posterior probability> 0.7).
FIGURE 15. Leucetta floridana. A—Specimen after fixation. B—Section. C—Triactine I. D—Triactine II. E—Tetractine I in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 15. Leucetta floridana. A—Specimen after fixation. B—Section. C—Triactine I. D—Triactine II. E—Tetractine I.
FIGURE 13 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 13. Ernstia sanctipauli sp. nov. A—Holotype after fixation. B—Section. C—Triactine I. D—Triactine II. E— Triactine III. F—Tetractine I. G—Tetractine II. H—Tetractine III. I—Tetractine I (ap: apical actine).
FIGURE 12 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 12. Ernstia rocasensis sp. nov. A—Holotype after fixation. B—Section. C—Triactine. D—Triactine (deformed). E—Tetractine. F, G—Tetractines (ap: apical actine). H—Tetractine (deformed).
FIGURE 14 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 14. Ernstia solaris sp. nov. A—Specimen after fixation. B—Section. C—Triactine. D—Tetractine. E—Tetractine (ap: apical actine).
FIGURE 11 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 11. Ernstia multispiculata sp. nov. A—Holotype after fixation. B—Section. C—Triactine I. D—Triactine II. E— Triactine III. F—Tetractine I. G—Tetractine II. H—Tetractine III. I—Tetractine I (ap: apical actine).
FIGURE 10 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 10. Ernstia citrea sp. nov. A—Holotype after fixation. B—Section. C, D—Triactines. E, F—Tetractines. G— Tetractine (ap: apical actine).
FIGURE 8 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 8. Clathrina mutabilis sp. nov. A—Holotype after fixation. B—Section. C—Triactines I. D, E—Triactine II.
FIGURE 9 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 9. Clathrina zelinhae sp. nov. A—Holotype after fixation. B—Section. C—Triactine I. D—Triactine II.
FIGURE 6 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 6. Clathrina insularis sp. nov. A—Holotype after fixation. B—Section. C—Triactine I. D, E—Triactine II (regular). F—Triactine II (subregular).
FIGURE 4 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 4. Borojevia trispinata sp. nov. A—Holotype after fixation (arrow indicates a water-collecting tube). B—Section. C—Triactine. D, E—Tetractines. F—Detail of the apical actine (ap) of a tetractine with spines. G—Tripod.
FIGURE 3 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 3. Borojevia tenuispinata sp. nov. A—Holotype after fixation. B—Section. C—Triactine. D—Tetractine. E— Tetractine (ap: apical actine with spines). F—Tripod. G—Tetrapod.
FIGURE 2 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 2. Arturia trindadensis sp. nov. A—Holotype after fixation. B—Section. C—Triactine I. D—Triactine II. E— Tetractine I. F—Tetractine I (ap—apical actine). G—Tetractine II.
FIGURE 1 in Taxonomy and phylogeny of calcareous sponges (Porifera: Calcarea: Calcinea) from Brazilian mid-shelf and oceanic islands
FIGURE 1. Map of the Atlantic Ocean showing the study area and location of sampling sites. A—BraZilian oceanic and midshelf islands. B—São Pedro e São Paulo Archipelago (SPSPA); C—Fernando de Noronha Archipelago (FNA); D—Rocas Atoll (RA); E—Trindade Island (TI); F—Abrolhos Archipelago (AA). Light gray circles indicate Calcarea sampling sites. Adapted from Moraes et al. (2006). For details about sites see Study Area in the Materials and Methods section.
FIGURE 9 in Taxonomy of calcareous sponges (Porifera, Calcarea) sampled on artificial substrates of a recreational marina in the Tropical Northeastern Brazilian coast
FIGURE 9. Spicules of Sycon avus sp. nov. (holotype, UFBA 4526-POR). A—Diactine; B—Triactine of the cones; C—Tubar triactine; D—Subatrial tetractine; E—Subatrial triactine; F—Atrial tetractine; G—Atrial triactine.
FIGURE 8 in Taxonomy of calcareous sponges (Porifera, Calcarea) sampled on artificial substrates of a recreational marina in the Tropical Northeastern Brazilian coast
FIGURE 8. Sycon avus sp. nov. (holotype, UFBA 4526-POR). A—Preserved specimen with preoscular membrane (arrowhead) and fringe of trichoxeas (arrow); B—Detail of the fringe with a basal ring of spicules (arrowhead); C—Transversal section showing the syconoid aquiferous system; D—Distal cones with diactines and triactines (arrowheads in detail); E— Choanocyte chambers with reproductive elements (*) and tubar skeleton formed by triactines (arrowheads); F—Atrial cavity with the apical actines of tetractines (arrowhead).
FIGURE 6 in Taxonomy of calcareous sponges (Porifera, Calcarea) sampled on artificial substrates of a recreational marina in the Tropical Northeastern Brazilian coast
FIGURE 6. Sycon bellum sp. nov. (holotype, UFBA 4527-POR). A—Preserved specimen with oscular membrane (arrowheads); B—Oscular membrane; C—Transversal section showing the syconoid aquiferous system (arrowhead highlighting the tufts of diactines); D—Detail of a distal cone with diactines and triactines (arrowhead); E—Triactine (arrowhead) of the tubar skeleton; F—Transversal section of the atrial skeleton and apical actines (in detail). at – atrium; dc – distal cone.
FIGURE 7 in Taxonomy of calcareous sponges (Porifera, Calcarea) sampled on artificial substrates of a recreational marina in the Tropical Northeastern Brazilian coast
FIGURE 7. Sycon bellum sp. nov. (holotype, UFBA 4527-POR). A—Diactine; B—Triactines of the distal cones; C—Tubar triactines; D—Subatrial triactine; E—Atrial triactine. F—Atrial tetractine.
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International Brain Laboratory public data
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OpenNeuro
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