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)
S: (n) community, biotic community ((ecology) a group of interdependent organisms inhabiting the same region and interacting with each other)
S: (n) people ((plural) any group of human beings (men or women or children) collectively) "old people"; "there were at least 200 people in the audience"
S: (n) edition (all of the identical copies of something offered to the public at the same time) "the first edition appeared in 1920"; "it was too late for the morning edition"; "they issued a limited edition of Bach recordings"
S: (n) electron shell (a grouping of electrons surrounding the nucleus of an atom) "the chemical properties of an atom are determined by the outermost electron shell"
S: (n) ethnic group, ethnos (people of the same race or nationality who share a distinctive culture)
S: (n) race (people who are believed to belong to the same genetic stock) "some biologists doubt that there are important genetic differences between races of human beings"
S: (n) association ((ecology) a group of organisms (plants and animals) that live together in a certain geographical region and constitute a community with a few dominant species)
S: (n) swarm, cloud (a group of many things in the air or on the ground) "a swarm of insects obscured the light"; "clouds of blossoms"; "it discharged a cloud of spores"
S: (n) subgroup (a distinct and often subordinate group within a group)
S: (n) varna ((Hinduism) the name for the original social division of Vedic people into four groups (which are subdivided into thousands of jatis))
S: (n) circuit ((law) a judicial division of a state or the United States (so-called because originally judges traveled and held court in different locations); one of the twelve groups of states in the United States that is covered by a particular circuit court of appeals)
S: (n) system, scheme (a group of independent but interrelated elements comprising a unified whole) "a vast system of production and distribution and consumption keep the country going"
S: (n) series (a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection) "the Post Office issued a series commemorating famous American entertainers"; "his coin collection included the complete series of Indian-head pennies"
S: (n) halogen (any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions)
S: (n) Great Lakes (a group of five large, interconnected lakes in central North America)