81 research outputs found
Fig. 6 in Flagellia, a new subgenus of Haliclona (Porifera, Haplosclerida)
No full textFig. 6. Haliclona (Flagellia) hamata (Thiele, 1903) subgen. et comb. nov., SEM images from a fragment of the holotype (SMF 1640) from Ternate, Indonesia. A. Oxea. A 1. Detail of one of the apices. B–C. Flagellosigmas. B 1. Detail of long ending of flagellosigma. B 2. Detail of short ending of flagellosigma. D. Sigmas.Published as part of Van Soest, Rob W.M., 2017, Flagellia, a new subgenus of Haliclona (Porifera, Haplosclerida), pp. 1-48 in European Journal of Taxonomy 351 on page 14, DOI: 10.5852/ejt.2017.351, http://zenodo.org/record/383621
Genetic data confirms the enigmatic demosponge Janulum as haplosclerid
No full textErpenbeck, Dirk, Van Soest, Rob W.M., Wörheide, Gert, Kelly, Michelle (2023): Genetic data confirms the enigmatic demosponge Janulum as haplosclerid. Zootaxa 5254 (1): 147-150, DOI: 10.11646/zootaxa.5254.1.10, URL: http://dx.doi.org/10.11646/zootaxa.5254.1.1
Deep-water sponges (Porifera) from Bonaire and Klein Curaçao, Southern Caribbean
No full textVan Soest, Rob W.M., Meesters, Erik H.W.G., Becking, Leontine E. (2014): Deep-water sponges (Porifera) from Bonaire and Klein Curaçao, Southern Caribbean. Zootaxa 3878 (5): 401-443, DOI: http://dx.doi.org/10.11646/zootaxa.3878.5.
FIGURE 1 in Mycale (Oxymycale) klausjanusorum sp. nov. (Porifera: Demospongiae: Poecilosclerida) from Flores Sea deep water, Indonesia
No full textFIGURE 1. Mycale (Oxymycale) klausjanusorum sp. nov., holotype ZMA Por. 09452, a, habitus encrusting a piece of limestone rubble (scale bar = 1 cm), b–c, light microscope cross sections of peripheral region (b, overview, c, detailed view), showing bouquets of mycalostyles resting with their base on an ectosomal tangential skeleton consisting of smaller oxeas, carried by subsectosomal spicule tracts, d, cross section of deeper choanosomal skeleton showing thick spicule tracts dividing into thinner tracts.Published as part of Van Soest, Rob W.M., 2018, Mycale (Oxymycale) klausjanusorum sp. nov. (Porifera: Demospongiae: Poecilosclerida) from Flores Sea deep water, Indonesia, pp. 49-60 in Zootaxa 4466 (1) on page 52, DOI: 10.11646/zootaxa.4466.1.6, http://zenodo.org/record/145437
A checklist of marine sponges (Porifera) of peninsula India
No full textGeorge, Anita M., Van Soest, Rob W.M., Sluka, Robert D., Lazarus, S. (2020): A checklist of marine sponges (Porifera) of peninsula India. Zootaxa 4885 (2): 277-300, DOI: 10.11646/zootaxa.4885.2.1
FIGURE 22 in Deep-water sponges (Porifera) from Bonaire and Klein Curaçao, Southern Caribbean
No full textFIGURE 22. Images of specimens belonging to already known species, briefly characterized in Table 2. All scale bars 1 cm, a. Spongosorites ruetzleri (Van Soest & Stentoft, 1988), photographed after collection, b. Topsentia pseudoporrecta Díaz et al. 1993, in situ, c. Agelas flabelliformis (Carter, 1883), in situ, d. Siphonodictyon viridescens (Schmidt, 1880 as Siphonochalina), in situ, e. Dactylocalyx pumiceus Stutchbury, 1841, in situ, f. Cyrtaulon sigsbeei (Schmidt, 1880), after collection (scale bar = 1 cm), g. Verrucocoeloidea liberatorii Reiswg & Dohrmann, 2014, in situ, g1. ditto after collection, g2. ditto, photographed from above to show funnel.Published as part of Van Soest, Rob W.M., Meesters, Erik H.W.G. & Becking, Leontine E., 2014, Deep-water sponges (Porifera) from Bonaire and Klein Curaçao, Southern Caribbean, pp. 401-443 in Zootaxa 3878 (5) on page 434, DOI: 10.11646/zootaxa.3878.5.1, http://zenodo.org/record/494890
Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness (COVER)
No full textZhang, Zhi-Qiang, Z.-Q, Hooper, John N.A., Van Soest, Rob W.M., Pisera, Andrzej (2011): Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness (COVER). Zootaxa 3148 (1): 3-6, DOI: 10.11646/zootaxa.3148.1.2, URL: http://dx.doi.org/10.11646/zootaxa.3148.1.
FIGURE 15. Parahigginsia strongylifera n in Deep-water sponges (Porifera) from Bonaire and Klein Curaçao, Southern Caribbean
No full textFIGURE 15. Parahigginsia strongylifera n. sp., holotype RMNH Por. 9251, a–c. SEM images of the spicules, a. strongyle, b. acanthomicroxea, c. details of apex and middle part of acanthomicroxea, d–e. light microscopy images of skeleton, d. cross section of skeleton, e. detailed view of peripheral skeleton showing ectosomal cover of acanthomicroxeas.Published as part of Van Soest, Rob W.M., Meesters, Erik H.W.G. & Becking, Leontine E., 2014, Deep-water sponges (Porifera) from Bonaire and Klein Curaçao, Southern Caribbean, pp. 401-443 in Zootaxa 3878 (5) on page 424, DOI: 10.11646/zootaxa.3878.5.1, http://zenodo.org/record/494890
FIGURE 6. Characella poecillastroides n in Deep-water sponges (Porifera) from Bonaire and Klein Curaçao, Southern Caribbean
No full textFIGURE 6. Characella poecillastroides n. sp., holotype RMNH Por. 9247, a. in situ off the SW coast of Bonaire, b. on deck, upper surface, c. on deck, lower surface, d. cross section of skeleton showing dominance of long oxeas and microxeas.Published as part of Van Soest, Rob W.M., Meesters, Erik H.W.G. & Becking, Leontine E., 2014, Deep-water sponges (Porifera) from Bonaire and Klein Curaçao, Southern Caribbean, pp. 401-443 in Zootaxa 3878 (5) on page 411, DOI: 10.11646/zootaxa.3878.5.1, http://zenodo.org/record/494890
Haliclona (Flagellia) hamata Van Soest 2017, subgen. et comb. nov.
No full text<i>Haliclona</i> (<i>Flagellia</i>) <i>hamata</i> (Thiele, 1903) subgen. et comb. nov. <p>Figs 6–8</p> <p> <i>Gelliodes hamata</i> Thiele, 1903: 942, fig. 7.</p> Material examined <p>INDONESIA: fragment of holotype, Halmahera, Ternate, shallow depth (SMF 1640); Papua, Aru Islands, Pearl Banks, anchorage off Pulu Jedan, 5.4134° S, 134.6677° E, 13 m depth, trawl, coll. Siboga Exped. stat. 273, 23 Dec. 1899 (ZMA Por. 03041); Nusa Tenggara, NE coast of Sumba, 9.95° S, 120.8° E, 50 m depth, coll. R. W.M. Van Soest, Agassiz trawl, Snellius II Exped. stat. 068/ V/16, 16 Sep. 1984 (ZMA Por. 09050a); Nusa Tenggara, NE coast of Sumba, 9.95° S, 120.8° E, 50 m depth, coll. R. W.M. Van Soest, dredge, Snellius II Exped. stat. 068/ V/12, 16 Sep. 1984 (ZMA Por. 09285).</p> Description <p>From a thickly encrusting base, the sponge issues upright branches, which may divide higher up. In the holotype these finger-shaped digitations are 2–2.5 × 0.7 cm in size (Thiele 1903), in ZMA 09285 (Fig. 7) the branches are up to 13 cm long and 1 cm in diameter, in ZMA Por. 09050a there are only lumpy fragments. The color is light brown or yellow-brown, both in situ and in alcohol. Surface optically smooth, with a few flush oscules of about 3 mm in diameter. There are encrusting bryozoans and hydroids (the holotype is described as bearing small stones and other foreign particles). Consistency firm.</p> <p>SKELETON. Spongin encased fibers cored by one or mores oxeas are common, especially in the superficial region. Overall skeletal structure is a confused reticulation. Microscleres are relatively rare.</p> <p> OXEAS (Figs 6 A–A1, 8A–A1). Curved, fusiform, robust, sharply pointed, 264– <i>343</i> –425 × 13– <i>18</i>. <i>1</i> – 24 μm.</p> <p>FLAGELLOSIGMAS (Figs 6 B–C, 8B–C). Predominantly circular to ovoid, with the long ending sharply curved and long-upturned, the short ending with narrow curve, in a single size range. Length of long-</p> <p> ending 64– <i>103</i> –130 μm (holotype: 64–110 μm), length of short ending 40– <i>76</i> –96 μm (holotype 40– 81 μm), width 44– <i>89</i> –108 μm (holotype 44–95 μm), thickness 2– <i>2</i>. <i>8</i> –4 μm (holotype 2–3.5 μm).</p> <p> NORMAL SIGMAS (Figs 6D, 8D). Small, robust, in a limited size range, 15– <i>26</i>. <i>1</i> –39 × 1.5– <i>2</i>. <i>3</i> –3 μm (holotype: 15–33 × 2–2.5 μm).</p> Distribution and ecology <p>Indonesia: Ternate, Aru Islands, Sumba (Marine Ecoregions Halmahera, Arafura Sea and Lesser Sunda), on reefs and sand bottoms, shallow water down to 50 m depth.</p> Remarks <p> As discussed above, this species is distinguished primarily by a digitate-arborescent habitus from the very similar but plate-like morphology of <i>H</i>. (<i>F</i>.) <i>indonesiae</i> sp. nov. The flagellosigmas of the present species are also subtly larger and thicker than those of the new species; the normal sigmas are distinctly more robust.</p>Published as part of <i>Van Soest, Rob W. M., 2017, Flagellia, a new subgenus of Haliclona (Porifera, Haplosclerida), pp. 1-48 in European Journal of Taxonomy 351</i> on pages 13-16, DOI: 10.5852/ejt.2017.351, <a href="http://zenodo.org/record/3836217">http://zenodo.org/record/3836217</a>
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