WordNet: egg-laying mammal, monotreme

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

• hypernym prototherian

• hyponym anteater, echidna, spiny anteater

• hyponym anteater, echidna, spiny anteater

• hyponym Ornithorhynchus anatinus, duck-billed platypus, duckbill, duckbilled platypus, platypus

egg-laying mammal

• (suomi) muniva nisäkäs (synonyymi)

monotreme

• (suomi) nokkaeläin (synonyymi)