"orig_no","taxon_no","record_type","flags","taxon_rank","taxon_name","difference","accepted_no","accepted_rank","accepted_name","parent_no","reference_no","is_extant","n_occs"
"58837","58837","txn","","superfamily","Tyrannosauroidea","","58837","superfamily","Tyrannosauroidea","53940","13771","extinct","522"