CALCINEA BIDDER, 1898
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publication ID |
https://doi.org/ 10.1111/j.1096-3642.2006.00221.x |
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persistent identifier |
https://treatment.plazi.org/id/038E87EA-635E-1C54-FC5B-5EDF7579F9E7 |
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treatment provided by |
Felipe |
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scientific name |
CALCINEA BIDDER, 1898 |
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SUBCLASS CALCINEA BIDDER, 1898 View in CoL
Calcarea with regular (equiangular and equiradiate), or exceptionally parasagittal or sagittal triactines, and/or a basal system of tetractines. In addition to the free spicules, there may be a non-spicular basal calcareous skeleton. In terms of ontogeny, triactines are the first spicules to be secreted. Choanocytes are basinucleate with spherical nuclei. The basal body of the flagellum is not adjacent to the nucleus. Calcinea incubate coeloblastula larvae.
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