Wednesday 19 October 2016

VORTICELLA
     
Classification of Vorticella
                       
                            Phylum - Protozoa : Unicellular
                            Sub-Phylum - Ciliophora : Locomotion by cilia, mega and micro-nucleus present.
                            Class            - Ciliata : Cilia persist throughout life.
                            Sub-Class   - Euciliata : Cytostome present.
                            Order         - Peritricha : Sedentary, aboral cilia in spiral,clockwise fashion.
                            Genus        - Vorticella.

About Vorticella
                    Verticella commonly known as bell-animalcule is a solitary, stalked ciliate found in rivers and ponds, attached to some substratum.The body is bell-shaped with a contractile stalk, which is attached to some substratum. The free end of body is typically bell-shaped, which is slightly convex, having vestibular opening on the side.The margin of the broader anterior end is thickened and projects like a rim (collar) while the central part is convex and disk-like. Both parts are separated by means of a circular depression, known as peristome .   

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