subclass prototheria

Noun
  1. Echidnas;
    Platypus (synset 101874047)
    is a type of: class - (biology) a taxonomic group containing one or more orders
    member holonym: monotremata, order monotremata - coextensive with the subclass Prototheria
    belongs to: class mammalia, mammalia - warm-blooded vertebrates characterized by mammary glands in the female
    same as: prototheria

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