Perhaps you should try some spelling variations:
"monotypic taxon" » "monotypic talon", "monotypic saxon", "monotypic axon"
"genotypic taxon" » "genotypic talon", "genotypic saxon", "genotypic axon", "genotipico taxon", "genotyping taxon", "genotype taxon"
"genotypic aron" » "genotipico aron", "genotyping aron", "genotype aron", "genotypic aaron", "genotypic baron", "genotypic varon"
"phenotypic faxon" » "phenotype faxon", "phenotypes faxon", "phenotypic saxon", "phenotypic fanon", "phenotypic axon"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("monotypic taxon") OR ((((("genotypic taxon") OR ("phenotypic faxon"))) OR ("genotypic aron"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"monotypic taxon\") OR (((((\"genotypic taxon\") OR (\"phenotypic faxon\"))) OR (\"genotypic aron\"))))".
• Removing quotes may allow a broader search: (( monotypic taxon ) OR ((((( genotypic taxon ) OR ( phenotypic faxon ))) OR ( genotypic aron )))).
• Adding a wildcard symbol may retrieve word variants: (("monotypic taxon") OR ((((("genotypic taxon") OR ("phenotypic faxon"))) OR ("genotypic aron"))))*.