Demospongiae

Demospongiae

[dem·ə′spən·jē‚ē]
(invertebrate zoology)
A class of the phylum Porifera, including sponges with a skeleton of one-to four-rayed siliceous spicules, or of spongin fibers, or both.
References in periodicals archive ?
Evidence for glutamate, GABA and NO in coordinating behaviour in the sponge, Ephydatia muelleri (Demospongiae. Spongillidae).
All recent freshwater sponges belong to the phylum Porifera, class Demospongiae, order Haplosclerida, and suborder Spongillida.
Lipid profile and assays of the antioxidant, insecticide and antifeedant activities of the marine sponge Iotrochota birotulata (Iotrochotidae: Demospongiae).
Kingdom Animalia Phylum Porifera Class Demospongiae Order Polymastiida Family Polyniastiidae Polymastiapacifica Koltun, 1966, aggregated nipple sponge (Fig.
PHYLUM/class York river ([dagger]) ANNELIDA Polychaeta Spionidae Capitellidae Nereidae Orbiniidae Glyceridae Ampharetidae Maldanidae Cirratulidae Pectinariidae Phyllodocidae ARTHROPODA Malacostraca Gammaridae Corophiidae Idoteidae Hippolytidae CHORDATA Leptocardii Branchiostomidae MOLLUSCA Gastropoda Retusidae Atyidae Pyramidellidae Bivalvia Tellinidae NEMERTEA Lineidae Phoronida Delaware Bay ([double dagger]) ANNELIDA Polychaeta Nereidae Spionidae Unidentified ARTHROPODA Amphipoda Gammaridae Crustacea Pinnotheridae Gastropoda Nassariidae Others Mixed microbenthos Oyster Bay ([section]) ARTHROPODA Crustacea Panopeidae MOLLUSCA Gastropoda Nassariidae PORIFERA Demospongiae Microcionidae PHYLUM/class Common name Totalno.
Svenzea zeai, a Caribbean reef sponge with a giant larva and Scopalina ruetzleri: a comparative fine structural approach to classification (Demospongiae, Halichondria, Dictyonellidae).
Of the recorded species, 13 species belongs to class Demospongiae, 2 to Calcarea and 1 to Hexactinellida.
Patterns of sponge (Porifera, Demospongiae) distribution in remote, oceanic reef complexes of the southwestern Caribbean.
Species richness of freshwater sponges (Class Demospongiae) is greater in eastern than in western North America (Reiswig et al., 2010), which likely explains the paucity of information regarding freshwater sponge distribution and life-history information within the western gulf slope drainages of Louisiana, Texas, and New Mexico.
A new Clathria (Demospongiae, Microcionidae from Peru occurring on rocky substrates as well as epibiontic on Eucidaris thouarsiisea urchins.