n. [Gr. desmos, bond; spongos, sponge]
A class of sponges encompassing 90% of all existing sponges with ancestory tracing back to simple Cambrian sponges (500 million years).

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • desmospongiae — des·mo·spon·gi·ae …   English syllables

  • desmospongiae — see desmospongia …   Useful english dictionary

  • aphodus — n.; pl. aphodi [Gr. aphodos, departure] (PORIFERA: Desmospongiae) The short channel connecting the flagellated chamber with the excurrent canal; see prosodus …   Dictionary of invertebrate zoology

  • primary fiber — (PORIFERA: Desmospongiae) Fiber at right angles to the surface; containing sand or debris taken up by the sponge …   Dictionary of invertebrate zoology

  • prosodus — n.; pl. i [Gr. prosodos, procession] (PORIFERA: Desmospongiae) Tiny channels between the inhalant canal system and exhalant canals; see aphodus …   Dictionary of invertebrate zoology

  • sterrasters — n. [Gr. sterrhos, solid; aster, star] (PORIFERA: Desmospongiae) Large centered, globular spicules with rays reduced to small projections from the spherical surface …   Dictionary of invertebrate zoology

  • trichodragmata — n. pl. [Gr. thrix, hair; dragma, sheaf] (PORIFERA: Desmospongiae) In Axinellidae ( Tragosia ), raphides grouped into bundles …   Dictionary of invertebrate zoology

  • demospongiae — jēˌē noun plural Usage: capitalized Etymology: New Latin, alteration of Desmospongiae : a large class of Porifera comprising the majority of living sponges and being characterized by complex structure with a skeleton of tetraxial or simple… …   Useful english dictionary

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