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142 results for “Hadromerida”
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.
FIG. 1 in Alleged cosmopolitanism in sponges: the example of a common Arctic Polymastia (Porifera, Demospongiae, Hadromerida)
FIG. 1. — Lectotype of Polymastia arctica (Merejkowsky, 1878); A, whole sponge; B, fragment with budding papillae. Abbreviation: b, buds. Scale bars: A, 1 cm; B, 1 mm.
FIG. 4 in Alleged cosmopolitanism in sponges: the example of a common Arctic Polymastia (Porifera, Demospongiae, Hadromerida)
FIG. 4. — Distribution of Polymastia arctica (Merejkowsky, 1878), White Sea: 1, Kandalaksha Bay; 2, Onega Bay; 3, Dvina Bay; Barents Sea: 4, Murman Coast; 5, Chesha Bay.
FIG. 2 in Alleged cosmopolitanism in sponges: the example of a common Arctic Polymastia (Porifera, Demospongiae, Hadromerida)
FIG. 2. — Polymastia arctica (Merejkowsky, 1878); A, longitudinal section of the body and inhalant papilla; B, transversal section of the inhalant papilla; C, transversal section of the exhalant papilla. Abbreviations: b, bud; c, collagenous layer; e, exhalant canal; i, inhalant canal; p, palisade layer; s, subcortical layer of diffuse choanosomal spicules; t, tangential layer; v, vestibule. Scale bars: 1 mm.
FIG. 3 in Alleged cosmopolitanism in sponges: the example of a common Arctic Polymastia (Porifera, Demospongiae, Hadromerida)
FIG. 3. — Polymastia arctica (Merejkowsky, 1878), spicules. Abbreviations: is, intermediate subtylostyles; ps, principal subtylostyles; t, small palisade tylostyles. Scale bar: 100 µm.
FIG. 1 in Redescription of the type species of the genus Polymastia Bowerbank, 1864 (Porifera, Demospongiae, Hadromerida)
FIG. 1. — Polymastia mamillaris (Müller, 1806); drawing of a transversal section of the main body. Abbreviations: p, palisade of ectosomal tylostyles; c, middle collagenous layer; l, tangential layer of intermediary tylostyles; i, free intermediary spicules; e, groups of ectosomal spicules. Scale bar: 170 µm.
FIG. 3 in Redescription of the type species of the genus Polymastia Bowerbank, 1864 (Porifera, Demospongiae, Hadromerida)
FIG. 3. — Polymastia penicillus Montagu, 1818; drawing of a transversal section of the main body. Abbreviations: p, palisade of ectosomal tylostyles; l, tangential layer of intermediary tylostyles; t, longitudinal tracts of principal tylostyles. Scale bar: 170 µm.
FIG. 2. — A-C in Redescription of the type species of the genus Polymastia Bowerbank, 1864 (Porifera, Demospongiae, Hadromerida)
FIG. 2. — A-C, Polymastia penicillus Montagu, 1818; A, ectosomal tylostyles; B, intermediary tylostyles; C, principal tylostyles; D-F, Polymastia mamillaris (Müller, 1806); D, ectosomal tylostyles; E, intermediary tylostyles; F, principal tylostyles. Scale bar: 17 µm.
Figure 26 in Taxonomy and description of clionaid sponges (Hadromerida, Clionaidae) from the Pacific Ocean of Mexico
Figure 26. Different morphologies of the spirasters and microrhabdes of the clionaid species from the Pacific coast of Mexico. All are shown at the same scale.
Figure 23 in Taxonomy and description of clionaid sponges (Hadromerida, Clionaidae) from the Pacific Ocean of Mexico
Figure 23. Thoosa mismalolli sp. nov.: A, different forms of oxyasters and oxeas; B, head and tip of tylostyles.
Figure 15 in Taxonomy and description of clionaid sponges (Hadromerida, Clionaidae) from the Pacific Ocean of Mexico
Figure 15. Cliona flavifodina: A, heads and tip of the tylostyles; B, different forms of spirasters.
Figure 14 in Taxonomy and description of clionaid sponges (Hadromerida, Clionaidae) from the Pacific Ocean of Mexico
Figure 14. External morphology of A, Cliona flavifodina; yellow specimen living in a small intertidal cornice. B, Cliona flavifodina at 5 m depth; arrow shows an oscule. C, Cliona euryphylla; Light orange specimen growing in alpha stage. Arrow shows ostial papillae. D, Orange Cliona euryphylla specimen; the arrow shows an ostial papillae surrounded by a patch of ectosomal tissue. E, Cliona euryphylla; light orange specimen growing in alpha stage at 6 m depth. Arrow shows an ostial papillae.
Figure 13 in Taxonomy and description of clionaid sponges (Hadromerida, Clionaidae) from the Pacific Ocean of Mexico
Figure 13. Cliona amplicavata: A, mucronated heads and tip of the tylostyles - in some specimens there is a small percentage of styles; B, rhaphide and its magnification; C, tylostyles, styles and rhaphides.
Figure 16 in Taxonomy and description of clionaid sponges (Hadromerida, Clionaidae) from the Pacific Ocean of Mexico
Figure 16. Cliona euryphylla: A, heads and tip of the tylostyles; B, spirasters and D, tylostyles from orange specimens; C, heads and E, spirasters from yellow specimens.
Figure 19 in Taxonomy and description of clionaid sponges (Hadromerida, Clionaidae) from the Pacific Ocean of Mexico
Figure 19. Pione carpenteri: A, head and tip of a tylostyle; B, oxeas with minute spines; C, straight microrhabds; D, detail of the ornamentation of the oxea.
Figure 10 in Taxonomy and description of clionaid sponges (Hadromerida, Clionaidae) from the Pacific Ocean of Mexico
Figure 10. Cliona raromicrosclera comb. nov.: A, heads and tip of the tylostyles; B, small tylostrongyles with secondary swelling; C, tylostyle; D, different forms of spirasters.
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OpenNeuro
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