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Protostomia

Marcello Consolo   cc-by-nc-sa

Protostomia is a group of animals. There are 1259234 species of Protostomia, in 130060 genera and 6746 family. This group has been around since the Ediacaran Period. Protostomia (Protostomes) includes groups like Chaetognatha, Spiralia et Ecdysozoa.

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