Cladilitcs

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Minor Phyla : Entoprocta

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Minor Phyla : Entoprocta Sessile  Body of calyx and slender. Digestive tube U shaped  Mostly marine. Mouth and anus close together, surrounded by tentacular crown. Entoprocta Temporal range:  Early Cambrian–Recent   Pre๊ž’ ๊ž’ O S D C P T J K Pg N [1] [2] Barentsia discreta Scientific classification Kingdom: Animalia Subkingdom: Eumetazoa Clade : ParaHoxozoa Clade : Bilateria Clade : Nephrozoa (unranked): Protostomia (unranked): Spiralia Superphylum: Lophotrochozoa Clade : Lophophorata Phylum: Entoprocta Nitsche , 1870
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Outline classification of fishes by L.S berg upto order with reference to living fresh and marine fishes in India

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Outline classification of fishes by L.S berg upto order with reference to living fresh and marine fishes in India   :- L.S berg ( 1940 ) given the earliest scheme of classification in which having 7 classes of fishes as follows :- Class 1  : Pterichthys Class 2  : Coccostei (Extinct) Class 3  : Acanthodii fishes  Class 4  : Holocephali Class 5  : Diponi (Living) Class 6  : Elasmobranchii Class 7  : Telestomi fishes.                        Subclass 1  : Crossptergyii                       Subclass 2  : Actinopterygii
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Biosystematics ( importance and application)

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              Biosystematics  (importance and application) The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies Biosystematics is the classification of organisms based on the study of the genetic evolution of plant and animal populations. It thus, considers the evolutionary history of these organisms and establishes their phylogeny on the totality of various parameters from all fields of studies.  The classification of organisms based on observable traits such as broad morphological characters, is a part of phenetic classification. The identification and arrangement of organisms based on cytological (cellular) characteristics is called cytotaxonomy.
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