What is another word for protomammal?
Pronunciation: [pɹˈə͡ʊtə͡ʊmˌamə͡l] (IPA) 
Protomammal is a term used to describe organisms that existed before the first true mammals evolved. Synonyms for protomammal include basal mammal, stem mammal, ancestral mammal, and early mammal. These terms refer to the same group of organisms and represent different ways to describe the same concept. Basal mammal emphasizes the evolutionary position of these organisms at the base of the mammalian lineage, while stem mammal emphasizes their position as a precursor to modern mammals. Ancestral mammal highlights the historical connection between protomammals and contemporary mammals, while early mammal emphasizes their temporal position in the history of life.
