Egg-Laying Mammal

nounverified·updated May 18, 2026

the most primitive mammals comprising the only extant members of the subclass Prototheria

Framework senses

2 senses across 2 frameworks

Wordset Dictionary1 senseview framework →

§1: the most primitive mammals comprising the only extant members of the subclass Prototheria

Legacy lexicon import1 senseview framework →

§1 · legacy_primary: the most primitive mammals comprising the only extant members of the subclass Prototheria
DR-088 backfill from the noun definition column