Demosponge - Wikipedia
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 Porifera Database). [4] . They are sponges with a soft body that covers a hard, often massive skeleton made of calcium carbonate, either aragonite or calcite.
Demospongiae - Digital Atlas of Ancient Life
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 record compared to other classes. The clade is, however, …
Demospongiae (Demosponges) - Encyclopedia.com
Soft, elastic, but also tough, friable, or hard, frequently brightly colored sponges; varying in shape from encrusting, massive, tubes, or branches to cups or vases; the body reinforced by spongin, siliceous (containing silica) spicules, or a combination of both. Evolution and systematics.
ADW: Demospongiae: INFORMATION
Demospongiae. By Kristen Wheeler. Class Demospongiae includes approximately 4,750 species in 10 orders. Their geographic distribution in the marine environment is from the intertidal to the abyssal zone; some species inhabit freshwater.
Demospongiae - Animalia
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 Porifera Database). They are sponges with a soft body that covers a hard, often massive skeleton made of calcium carbonate, either aragonite or calcite.
Demosponges (Class Demospongiae) · iNaturalist
Demospongiae is the most diverse class in the phylum Porifera. They include 90% of all species of sponges with nearly 7,000 species worldwide (World Porifera Database). They are predominantly leuconoid in structure.
Demosponge - Simple English Wikipedia, the free encyclopedia
The Demospongiae are the largest class in the phylum Porifera. Their skeletons are made of spicules consisting of fibers of the protein spongin, the mineral silica, or both. Where spicules of silica are present, they have a different shape from those in the otherwise similar glass sponges. Category: Sponges.
Demospongiae - an overview | ScienceDirect Topics
Demosponges comprise cellular (i.e. not syncytial) Porifera possessing spongin (sometimes greatly reduced) whose mineral skeleton (if present) consists of either monaxonic, tetraxonic, or polyaxonic, -but never triaxonic-, siliceous spicules, and/or occasionally a …
Porifera - Demospongiae (sponges)
The Demospongiae is the largest Class in the Sponge Phylum (Porifera), it contains over 90% of living sponges, and nearly all the larger species. They can be found at all depths in both fresh and salt water. The skeleton can be siliceous, spongin, …
Proposal for a revised classification of the Demospongiae …
Apr 1, 2015 · Demospongiae is the largest sponge class including 81% of all living sponges with nearly 7,000 species worldwide. Systema Porifera (2002) was the result of a large international collaboration to update the Demospongiae higher taxa classification, essentially based on morphological data.