The singular for genera is genus.
The singular form of "genera" is "genus".
genus is singular, genera is plural
Two forms for the plural of the noun genus are accepted: genera and genuses
Genera
Genera Filicum was created in 1842.
The word genera is the plural of the word genus.
Genera is the plural of genus.
Genera Plantarum was created in 1737.
The noun 'species' is an uncountable noun which is used with a singular or a plural verb form. The noun 'species' is a type of uncountable aggregate noun, a word representing an indefinite number of elements. Examples:This species of ivy is prolific in some parts of the country.Many species are endangered due to shrinking habitat.Note: The noun 'specie' is also an uncountable noun as a word for money in the form of coins.
Order: IsopteraSpecies:As of 1996, about 2,800 termite species are recognized, classified in seven families. These are arranged here in a phylogenetic sequence, from the most basal to the most advanced:Mastotermitidae (1 species, Mastotermes darwiniensis)Hodotermitidae (3 genera, 19 species)HodotermitinaeKalotermitidae (22 genera, 419 species)Termopsidae (5 genera, 20 species)TermopsinaePorotermitinaeStolotermitinaeRhinotermitidae (14 genera, 343 species)Coptotermitinae HolmgrenHeterotermitinae FroggattProrhinoterminae Quennedey & Deligne, 1975Psammotermitinae HolmgrenRhinotermitinae FroggattStylotermitinae Holmgren, K & N, 1917Termitogetoninae HolmgrenSerritermitidae (1 species, Serritermes serrifer)Termitidae (236 genera, 1958 species)Apicotermitinae (42 genera, 208 species)Foraminitermitinae (2 genera, 9 species)Macrotermitinae (13 genera, 362 species)Nasutitermitinae (80 genera, 576 species)Sphaerotermitinae (1 genera, 1 species)Syntermitinae (13 genera, 99 species)Termitinae (90 genera, 760 species)
Order: IsopteraSpecies:As of 1996, about 2,800 termite species are recognized, classified in seven families. These are arranged here in a phylogenetic sequence, from the most basal to the most advanced:Mastotermitidae (1 species, Mastotermes darwiniensis)Hodotermitidae (3 genera, 19 species)HodotermitinaeKalotermitidae (22 genera, 419 species)Termopsidae (5 genera, 20 species)TermopsinaePorotermitinaeStolotermitinaeRhinotermitidae (14 genera, 343 species)Coptotermitinae HolmgrenHeterotermitinae FroggattProrhinoterminae Quennedey & Deligne, 1975Psammotermitinae HolmgrenRhinotermitinae FroggattStylotermitinae Holmgren, K & N, 1917Termitogetoninae HolmgrenSerritermitidae (1 species, Serritermes serrifer)Termitidae (236 genera, 1958 species)Apicotermitinae (42 genera, 208 species)Foraminitermitinae (2 genera, 9 species)Macrotermitinae (13 genera, 362 species)Nasutitermitinae (80 genera, 576 species)Sphaerotermitinae (1 genera, 1 species)Syntermitinae (13 genera, 99 species)Termitinae (90 genera, 760 species)
The living Gnetophyta comprise three genera: * Gnetum * Welwitschia * Ephedra