Perhaps you should try some spelling variations:
"monotypic taxon" » "genotypic taxon", "monotypic axon", "monotypic faxon", "monotypic taxol"
"monotypic saxon" » "genotypic saxon", "monotypic salon", "monotypic saxo"
"monotypic talon" » "genotypic talon"
"monotypic malon" » "genotypic malon", "monotypic malone", "monotypic salon", "monotypic mason"

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 ("monotypic saxon"))) OR ((("monotypic talon") OR ("monotypic malon"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"monotypic taxon\") OR (\"monotypic saxon\"))) OR (((\"monotypic talon\") OR (\"monotypic malon\"))))".
• Removing quotes may allow a broader search: (((( monotypic taxon ) OR ( monotypic saxon ))) OR ((( monotypic talon ) OR ( monotypic malon )))).
• Adding a wildcard symbol may retrieve word variants: (((("monotypic taxon") OR ("monotypic saxon"))) OR ((("monotypic talon") OR ("monotypic malon"))))*.