WebbThe Phylum Chordata includes the well-known vertebrates (fishes, amphibians, reptiles, birds, mammals). The vertebrates and hagfishes together comprise the taxon Craniata. The remaining chordates are the tunicates (Urochordata), lancelets (Cephalochordata), and, possibly, some odd extinct groups. With few exceptions, chordates are active ... WebbClassification Of Protochordates : Classification Of Protochordates Protochordata Hemichordate Urochordatea Cephalochordate (Half-chordates) (Tail-cord) (Head-cord) Protons means first and chordae means cord also …

Outline of classification of protochordates - SlideShare

WebbFOR B.Sc & B.Sc.(Hons) CLASSES OF ALL INDIAN UNIVERSITIES AND ALSO AS PER UGC MODEL CURRICULUMN Contents: CONTENTS:Protochordates:Hemicholrdata 1.Urochordata Cephalochordata Vertebrates : Cyclostomata 3. Agnatha, Pisces Amphibia 4. Reptilia 5. Aves Mammalia 7 Comparative Anatomy:lntegumentary System 8 Skeletal WebbProtochordates are an informal category of animals (i.e.: not a proper taxonomic group), named mainly for convenience to describe invertebrate animals that are closely related … inspection specialist progressive

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Webb7 nov. 2014 · Chordates consist of three distinct animal groups: cephalochordates, urochordates (tunicates) and vertebrates. This review starts with a brief description of … WebbThe chordate is a group or phylum in which there are the organisms which have the nerve cord or the spinal cord. There are three subphylums in this group known as the Hemichordate, Urochordate and the Cephalochordate. Acrania or Protochordata are lower chordates. They are all marine organisms. These are small and primitive chordates. WebbTunicates or Urochordates are the closest relatives of vertebrates. They are marine filter-feeding animals, found at all the latitudes, and can assume a planktonic or benthic … jessica mulroney latest news