binomen (plural binomina)
- A name having two parts.
- (taxonomy) A scientific name at the rank of species, with two terms: a generic name and a specific name.
- 2020 March 5, James E. O'Hara et al., Preliminary Checklist of the Tachinidae (Diptera) of the World:
- Each type species is cited in its original binomen (Recommendation 67B of the Code, ICZN 1999α), and if that name is a synonym then it is followed by the valid name of the species in parentheses.