In this article we will discuss about Phylum Gastrotricha:- 1. Taxonomic Retrospect of Phylum Gastrotricha 2. Characteristic Features of Phylum Gastrotricha 3. Habitat 4. Affinities. Taxonomic Retrospect of Phylum Gastrotricha: 1. The gastrotrichs were previously united with rotifers by Ehrenberg in 1838. 2. Metschnikoff (1864) separated the gastrotrichs from rotifers and gave the name Gastrotricha. […]