The phylum Vertebrata: A case for zoological recognition

phylum  The meaning of PHYLUM is a direct line of descent within a group How to use phylum in a sentence  Acanthocephala is a phylum of parasitic worms known as acanthocephalans, thorny-headed worms,

Phylum definition: the primary subdivision of a taxonomic kingdom, grouping together all classes of organisms that have the same body plan  Corals and their Kind Corals are anthozoans, the largest class of organisms within the phylum Cnidaria Comprising over 6,000 known species, anthozoans also

1 It is the largest phylum of the animal kingdom 2 These are bilaterally symmetrical, triploblastic and coelomate animals 3 They have organ system level of additional named species being called to my attention Chapter 2 CLASS PERKINSASIDA Phylum APICOMPLEXA Levine , 1970 Apical 8 The Protozoan Phylum Apicomplexa