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 ?
Of the recorded species, 13 species belongs to class Demospongiae, 2 to Calcarea and 1 to Hexactinellida.
Un total de 77 especies de la clase Demospongiae, 3 especies de la clase Homoscleromorpha y 1 especie de la clase Calcarea fueron encontradas en litorales rocosos y areas arrecifales por encima de los 20 m de profundidad.
The steroid fossil, 24-isopropylcholestane, or 24-ipc, is a form of a steroid known today from the cellular membranes of a class of sponges, the Demospongiae.
Foster for the poster entitled, "Preliminary investigations of the comparative occurrence of sponge dwelling amphipods in Tedania ignis (Porifera, Demospongiae, Myxillidae) from a turtle grass bed and a red mangrove forest in the Florida Keys, USA.
The most decorative hexactinellids, such as the Venus' flower basket (Euplectella aspergillum), are found in deeper waters, but the most commercially valuable sponges are Demospongiae (or bath sponges) of the genera Spongia and Hippospongia which live in the sublittoral zone.
Patterns of sexuality, asexual reproduction and recruitment in some subtidal marine demospongiae.
Population dynamics of three Jamaican demospongiae.
Genetic and cytological divergence between color morphs of the Mediterranean sponge Oscarella-Lobularis Schmidt (Porifera, Demospongiae, Oscarellidae).