EDIT

    @Override

    public Pager<TaxonBase> findTaxaByName(Class<? extends TaxonBase> clazz, String uninomial,	String infragenericEpithet, String specificEpithet,	String infraspecificEpithet, String authorship, Rank rank, Integer pageSize,Integer pageNumber) {

        Integer numberOfResults = dao.countTaxaByName(clazz, uninomial, infragenericEpithet, specificEpithet, infraspecificEpithet, rank);

        List<TaxonBase> results = new ArrayList<TaxonBase>();