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.
In all cases, a representative of the mammalian infraclass Metatheria was designated as an outgroup.
I'm animal, my phylum is chordata, my subphylum is vertebrate, my class is mammals, sublass theria, infraclass eutheria, within that I'm a primate, and within that I'm human.
Definition of infraclass in US English:
infraclass
nounˈinfrəˌklas
Biology
A taxonomic category that ranks below a subclass.
〔生〕下纲（低于亚纲的分类等级）
Example sentencesExamples
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.
I'm animal, my phylum is chordata, my subphylum is vertebrate, my class is mammals, sublass theria, infraclass eutheria, within that I'm a primate, and within that I'm human.
In all cases, a representative of the mammalian infraclass Metatheria was designated as an outgroup.