S: (n) Adapid, Adapid group (extinct small mostly diurnal lower primates that fed on leaves and fruit; abundant in North America and Europe 30 to 50 million years ago; their descendents probably include the lemurs; some authorities consider them ancestral to anthropoids but others consider them only cousins)
S: (n) Omomyid, Omomyid group (extinct tiny nocturnal lower primates that fed on fruit and insects; abundant in North America and Europe 30 to 50 million years ago; probably gave rise to the tarsiers; some authorities consider them ancestral to anthropoids but others consider them only cousins)
S: (n) kingdom (the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia)
S: (n) subkingdom ((biology) a taxonomic group comprising a major division of a kingdom)
S: (n) variety ((biology) a taxonomic category consisting of members of a species that differ from others of the same species in minor but heritable characteristics) "varieties are frequently recognized in botany"
S: (n) phylum ((biology) the major taxonomic group of animals and plants; contains classes)
S: (n) subphylum ((biology) a taxonomic group ranking between a phylum and a class)
S: (n) superphylum ((biology) a taxonomic group ranking between a phylum and below a class or subclass)
S: (n) class ((biology) a taxonomic group containing one or more orders)
S: (n) subclass ((biology) a taxonomic category below a class and above an order)
S: (n) superclass ((biology) a taxonomic class below a phylum and above a class)
S: (n) order ((biology) taxonomic group containing one or more families)
S: (n) suborder ((biology) taxonomic group that is a subdivision of an order)
S: (n) superorder ((biology) a taxonomic group ranking above an order and below a class or subclass)
S: (n) family ((biology) a taxonomic group containing one or more genera) "sharks belong to the fish family"
S: (n) superfamily ((biology) a taxonomic group ranking below an order but above a family)
S: (n) subfamily ((biology) a taxonomic category below a family)
S: (n) tribe ((biology) a taxonomic category between a genus and a subfamily)
S: (n) genus ((biology) taxonomic group containing one or more species)
S: (n) subgenus ((biology) taxonomic group between a genus and a species)
S: (n) monotype ((biology) a taxonomic group with a single member (a single species or genus))
S: (n) species ((biology) taxonomic group whose members can interbreed)
S: (n) subspecies, race ((biology) a taxonomic group that is a division of a species; usually arises as a consequence of geographical isolation within a species)
S: (n) form, variant, strain, var. ((biology) a group of organisms within a species that differ in trivial ways from similar groups) "a new strain of microorganisms"
S: (n) type ((biology) the taxonomic group whose characteristics are used to define the next higher taxon)
S: (n) Phycomycetes, Phycomycetes group (a large and probably unnatural group of fungi and funguslike organisms comprising the Mastigomycota (including the Oomycetes) and Zygomycota subdivisions of the division Eumycota; a category not used in all systems)