POECILOSCLERIDA TOPSENT, 1928

Vacelet, Jean, 2006, New carnivorous sponges (Porifera, Poecilosclerida) collected from manned submersibles in the deep Pacific, Zoological Journal of the Linnean Society 148 (4), pp. 553-584 : 555

publication ID

https://doi.org/ 10.1111/j.1096-3642.2006.00234.x

persistent identifier

https://treatment.plazi.org/id/191D4B17-FFD7-FF86-069C-FCD9FA8CA38A

treatment provided by

Felipe

scientific name

POECILOSCLERIDA TOPSENT, 1928
status

 

ORDER POECILOSCLERIDA TOPSENT, 1928 View in CoL FAMILY CLADORHIZIDAE DENDY, 1922

Diagnosis, from Hajdu & Vacelet (2002): Sponges usually small, symmetrical, mostly in deep water, with diagonal, radiating supporting processes and basal root adaptations for living in soft sediments. Axial skeleton composed of monactinal or diactinal megascleres, from which radiating extra-axial tracts diverge to the ectosome. Microscleres include (an)isochelae, sigmas, forceps or micro(subtylo)styles (microspined, spear-shaped in a few cases). Considerable reduction to complete loss of the choanocyte layer is known for some species, being associated with an adaptation to carnivory, preying on relatively large food items.

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