When I'm in a taxon URL, like the one below, I can't remove it from the search filter. In this case, I can't remove Annelida. Fix logic in the view to redirect to a regular search page if taxon is removed.
http://cifonauta.cebimar.usp.br/taxon/annelida/?query=&datatype=all&orderby=random&operator=or&taxon=2522&taxon=3424