They are sponges with a soft body that covers a hard, often massive skeleton made of calcium carbonate, either aragonite or calcite [citation needed]. They are predominantly leuconoid in …

Demospongiae represents the dominant class of living sponges, representing more than 90% of all those alive today. Few demosponges have hard skeletons, leaving behind a sparse fossil …

寻常海绵纲（Demospongiae）是多孔动物门中最大的一纲。

Demosponge larvae are partly or completely ciliated, usually somewhat elongated blastulae (hollow larvae) or parenchymellae (solid larvae) about 300 µm long. The larvae swim or crawl …

Demo­spon­gians can range in size from a few mil­lime­ters to over 2 me­ters in largest di­men­sion. They can form thin en­crus­ta­tions, lumps, fin­ger-like growths, or urn shapes. Pig­ment gran­ules …

Demosponges inhabit most aquatic habitats, including all oceans from the intertidal to the abyss, from the tropics to the polar seas, and (almost) all types of freshwater habitats. This diversity …

Demosponges (Demospongiae) are the most diverse class in the phylum Porifera. They include greater than 90% of all species of sponges with nearly 8,800 species worldwide (World …

2004年9月1日 · With about 6000 described species, the demosponges include 85% of all living sponges (Hooper and van Soest, 2002). Demosponge diversity in form and organization is …

2023年12月4日 · Class Demospongiae is the largest in the phylum Porifera (Sponges) and encompasses nearly 8,000 accepted species in three subclasses: Keratosa, Verongimorpha, …

2024年4月1日 · We provide a comprehensive quality-controlled dataset of occurrence records of the Class Demospongiae, which comprises 81% of the entire Porifera phylum. Demosponges …