subclass Prototheria


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Related to subclass Prototheria: infraclass
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.subclass Prototheria - echidnas; platypus
class Mammalia, Mammalia - warm-blooded vertebrates characterized by mammary glands in the female
Monotremata, order Monotremata - coextensive with the subclass Prototheria
class - (biology) a taxonomic group containing one or more orders