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Species of Insecta
Insects are one of the most species-rich classes of organisms and are characterized by possessing three major body divisions- the head, thorax and abdomen with a pair of legs on each segment. They are considered the largest group within the phylum Arthropoda. They are the most diverse group of animals with more than a million species discovered which represents more the half of all animal species.
Phylogeny:
Species List:
 Polygonia interrogationis |
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