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Related to genera: general knowledge


Plural of genus.


1. (Biology) a plural of genus
2. (Logic) a plural of genus


(ˈdʒi nəs)

n., pl. gen•e•ra (ˈdʒɛn ər ə)
1. the usual major subdivision of a biological family or subfamily in the classification of organisms, usu. consisting of more than one species.
2. Logic. a class or group of individuals, or of species of individuals.
3. a kind; sort; class.
[1545–55; < Latin: race, stock, kind, gender, c. Greek génos]


[ˈdʒɛnərə] nplgenres mpl
References in classic literature ?
If genera are different and co-ordinate, their differentiae are themselves different in kind.
Gay [2] has stated that he found in the neighbourhood of Rio, shells of the marine genera solen and mytilus, and fresh water ampullariae, living together in brackish water.
How do those groups of species, which constitute what are called distinct genera, and which differ from each other more than do the species of the same genus, arise?
As species of the same genus have usually, though by no means invariably, some similarity in habits and constitution, and always in structure, the struggle will generally be more severe between species of the same genus, when they come into competition with each other, than between species of distinct genera.
Using a database of marine fossils, Jablonski considered two types of groups of related organisms, or clades--in this case, genera and orders.
IDEXX") (NASDAQ:IDXX) announced today the acquisition of Genera Technologies, Limited ("Genera"), a UK based company with annualized revenue of approximately US $4 million.
In the last of Linnaeus' branchings, the so-called genera split into the most basic identification of organisms, the species.
Species are thus very different from the other taxonomic categories used in virus classification such as genera and families.
Think of all those kingdoms, phyla, classes, orders, families, genera, and species that generations of biology students have groaned about memorizing.
In addition to the Micrococcus genus, bacteria belonging to the former genus Micrococcus were recently divided into the genera Kocuria, Nesterenkonia, Kytococcus, and Dermacoccus, followed by rearrangement into two families (Micrococcaceae.
The M segment of nairoviruses is 30% to 50% larger than the M segments of members of other genera in the Bunyavidae family and has a potential coding capacity of up to 240 kDa of protein (12).
Species of the two other closely related genera grow only in Asia.