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Spirastrellidae
Spirastrellidae is a family of sponges belonging to the order Clionaida Clionaida is an order of demosponges in the subclass Heteroscleromorpha Heteroscleromorpha is a subclass of demosponges within the phylum Porifera Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal anim .... Genera: * '' Diplastrella'' Topsent, 1918 * '' Spirastrella'' Schmidt, 1868 References {{Taxonbar, from=Q3966810 Sponge families ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clionaida
Clionaida is an order of demosponges in the subclass Heteroscleromorpha Heteroscleromorpha is a subclass of demosponges within the phylum Porifera Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts. They are multicellular organisms .... Familiae Familiae within this order include: * ''Acanthochaetetidae'' Fischer, 1970 * ''Clionaidae'' d'Orbigny, 1851 * ''Placospongiidae'' Gray, 1867 * ''Spirastrellidae'' Ridley & Dendy, 1886 References External links * Heteroscleromorpha Sponge orders {{demosponge-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sponges
Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells. Sponges have unspecialized cells that can transform into other types and that often migrate between the main cell layers and the mesohyl in the process. Sponges do not have nervous, digestive or circulatory systems. Instead, most rely on maintaining a constant water flow through their bodies to obtain food and oxygen and to remove wastes. Sponges were first to branch off the evolutionary tree from the last common ancestor of all animals, making them the sister group of all other animals. Etymology The term ''sponge'' derives from the Ancient Greek word ( 'sponge'). Overview Sponges are similar to other animals in that they are multicellula ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
