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Concept: Classification of Animals - Phylum – Chordata

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Description

  • sub-classification of Chordata with reference to notochord - sub phyla Urochordata, Cephalochordata. Vertebrata (classes – cyclostomata, chondrichthyes, osteichthyes, amphibia, reptilia, aves and mammalia) – three distinguishing characters with two examples of each).
  • Phylum – Chordata-Class – Cyclostomata :- jawless vertebrate - Petromyzon
  • Phylum – Chordata-Class – Chondrichthyes :-  Scoliodon and Pristis
  • Phylum – Chordata-Class – Osteichthyes :-Examples of Bony fishes : (a) Hippocampus (b) Catla
  • Phylum – Chordata-Class – Amphibia :- Salamandra and Rana
  • Phylum – Chordata-Class – Reptilia :-  Chameleon, Crocodilus, Chelone, Naja
  • Phylum – Chordata-Class – Aves :- Neophron, Struthio, Psittacula, Pavo
  • Phylum – Chordata-Class – Mammalia :- Ornithorhynchus, Macropus, Pteropus, Balaenoptera
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