acceptedNameUsageID (http://rs.tdwg.org/dwc/terms/acceptedNameUsageID) @return [String] This represents a second column in a synonym record that points to the record representing the valid (zoological) or accepted (botanical) name using the taxonID of that record as the “pointer.” Example: 8fa58e08-08de-4ac1-b69c-1235340b7001