sponge order classification

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

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