sentences:  By synonymizing many of these species, Hembree showed that rhineurid diversity in North America was lower than once thought.Hebree's 2007 review of North American amphisbaenians also included a phylogenetic analysis of rhineurids and other amphisbaenian lizards.The analysis found that "Rhineura floridana" is the most basal species within the family, meaning its lineage was the first to diverge from the group.