query: # taxa where author name is Paul Graham Wilson & William Paul
  SELECT ?item ?stat ?taxon_name ?article WHERE {
    ?item p:P225 ?stat . 
    ?stat ps:P225 ?taxon_name.
    ?stat pq:P405 wd:Q910302.  
    ?stat pq:P405 wd:Q19043806.
  }
  ORDER BY ?taxon_name ?item