411 REFERENCE · Wiktionary
Australosphenida
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
right|thumb|Ornithorhynchus anatinus
Etymology
Proposed 2001.
mul
Proper noun
clade class Mammalia the monotremes and certain extinct species
Usage notes
This clade was left unranked by the proposers, who do not apply Linnaean hierarchy. It was arguably defined only in order to contain Monotremata order and Ausktribosphenida.
Hyponyms
clade mul Ausktribosphenida only extinct species, Monotremata order orders
Further reading