Complex sentence: Members of this phylum were categorized in other phyla; specifically the genus "Fibrobacter" (the only genus of Fibrobacteres) was divided from the genus "Bacteroides" in 1988.
Split into simpler sentences: Members of this phylum were categorized in other phyla. The genus "Fibrobacter" (the only genus of Fibrobacteres) was divided from the genus "Bacteroides" in 1988.