THESAURUS
Genus
antonomasia, binomial nomenclature, biosystematics, biosystematy, biotype, blood, branch, brand, breed, cast, character, clan, class, classification, color, denomination, description, designation, family, feather, form, genotype, genre, glossology, grain, ilk, kidney, kin, kind, kingdom, label, line, lot, make, manner, mark, mold, nature, nomenclature, number, onomastics, onomatology, order, orismology, persuasion, phylum, place-names, place-naming, polyonymy, race, section, series, shape, sort, species, stamp, strain, stripe, style, subclass, subfamily, subgenus, subkingdom, suborder, subspecies, subtribe, superclass, superfamily, superorder, superspecies, systematics, taxonomy, terminology, the like of, the likes of, toponymy, tribe, trinomialism, type, variety
ROGET THESAURUS
Genus
Class
N
class, division, category, categorema, head, order, section, department, subdepartment, province, domain, kind, sort, genus, species, variety, family, order, kingdom, race, tribe, caste, sept, clan, breed, type, subtype, kit, sect, set, subset, assortment, feather, kidney, suit, range, gender, sex, kin, manner, description, denomination, designation, rubric, character, stamp predicament, indication, particularization, selection, specification, similarity.