Histological Elements 5. Canal System 4. Size can vary from … Boring sponge also known as Cliona and it grows into coral and coral rubble by … Arrives boxed for holiday gift-giving ... Research shows that the average kitchen sponge can be 200,000 times dirtier than a toilet seat. It is light grey to black in color. ORDER EARLY to avoid potential postal delays. Calcarea (L. Calcis- lime): The skeleton is of calcareous spicules. Sponges are characterized by the possession of a … Classification of Sponge: Chiefly on the basis of skeleton, phylum Porifera (Sponge) is divided into three classes. Structure of Sponges 3. CLASSIFICATION OF PORIFERA Subkingdom PARAZOA. Hadromerina or Astromonaxonellida: Features: (i) Megascleres are mostly tylostyles, i.e., broad end is knobbed. Sponge, any of the primitive multicellular aquatic animals that constitute the phylum Porifera. Papillae of cliona aprica has olive to dull brown color, while cliona dioryssa forms orange papollae. Commercial Sponge 7. Reproduction and Development 6. Spongia officinalis, better known as a variety of bath sponge, is a commercially used sea sponge. Contents: Description of Sponges Structure of Sponges Canal System of the Sponges Histological Elements Constituting the Wall of Sponges Reproduction and Development in … The other species called janitrix are bright yellow. Individuals grow in large lobes with small openings and are formed by a mesh of primary and secondary fibers. Order 1. There are about 5,000 species of sponge, mostly marine and few freshwater species. All freshwater sponges belong to this order as the suborder Spongillina. They are simple types of aquatic invertebrates.This phylum contains about 10000 species; among them, most of the species are Marine and some are freshwater (about 100 species). Spongilla is a genus of freshwater sponges in the family Spongillidae found in lakes and slow streams. Classification. ADVERTISEMENTS: In this article we will discuss about:- 1. Scottish Anatomist and Zoologist Robert Edmond Grant proposed the name Porifera (L. Porus, pore and ferre, to bear).The representatives of Phylum Porifera are also known as Sponges. PhylumPORIFERA. The approximately 5,000 living sponge species are classified in the phylum Porifera, which is composed of three distinct groups, the Hexactinellida (glass sponges), the Demospongia, and the Calcarea (calcareous sponges). Leucosolenia: It is a simplest colonial sponge consisting of number of horizontal and vertical tubes. The clean freak in your life will be thanking you over and over again for this bundle of clean! Examples: Leucosolenia, Sycon, (Scypha) Grantia. They are frequently cushionshaped; however, encrusting, branching, tubular, vase-, and fan-shaped forms are also quite common. The examples are Tethya, Cliona (Boring sponge), Poterion (Neptune’s goblet sponge). (ii) Microscleres are usually wanting; when present, they are in the form of a star. Order 2. Boring sponge color differs between each species. Description of Sponges 2. They number approximately 5,000 described species and inhabit all seas, where they occur attached to surfaces from the intertidal zone to depths of 8,500 metres (29,000 feet) or more. And that's why we created Skura Style Sponges. The order Haplosclerida comprises 13 families and hundreds of species. In sea they occur up to a depth of 8,500 m and mostly flourish in warm waters. Class 1. (iii) Spongin is absent. Your life will be thanking you over and over again for this bundle of clean Style..., phylum Porifera ( sponge ), Poterion ( Neptune ’ s goblet sponge ), Poterion ( Neptune s! In warm waters forms orange papollae and are formed by a mesh of primary and secondary.... Olive to dull brown color, while Cliona dioryssa forms orange papollae sponges are by... Better known as a variety of bath sponge, any of the primitive multicellular aquatic animals that the. 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