Grantessa Lendenfeld, 1885
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publication ID |
https://doi.org/ 10.5281/zenodo.5392175 |
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DOI |
https://doi.org/10.5281/zenodo.5468372 |
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persistent identifier |
https://treatment.plazi.org/id/B2494E1B-FF9A-B268-F6BD-FE93FC07A6A2 |
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treatment provided by |
Marcus |
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scientific name |
Grantessa Lendenfeld, 1885 |
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Genus Grantessa Lendenfeld, 1885 View in CoL
TYPE SPECIES. — Grantessa sacca Lendenfeld, 1885 by monotypy.
DIAGNOSIS. — Heteropiidae with a syconoid organization and an articulate choanoskeleton. A thin cortex is formed by triactines but lacks longitudinal large diactines. The distal part of the radial tubes is frequently decorated by tufts of radially arranged diactines, indicating a close relationship to the genus Syconessa .
DESCRIPTION
We include in the genus Grantessa s.s. the syconoid Heteropiidae with articulate choanoskeletons (Fig. 32). We consider that they are derived from sponges similar to Syconessa , in which the increase of radial tubes had generated the articulate choanoskeleton. Grantessa are common in warm seas, and often grow as large arborescent or bushy cormus.
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