- A taxonomic category that ranks below a subclass.More example sentences
- We performed phylogenetic analyses of introns from species from four avian orders that are representative of the two infraclasses within Aves.
- Names of infraclasses and cohorts within Neornithes are shown.
- The taxonomic rationale for placement at the infraclass level is discussed in Brower.
More definitions of infraclassDefinition of infraclass in:
- The US English dictionary