s/n1871543

Information
has gloss	(noun) primitive oviparous mammals found only in Australia and Tasmania and New Guinea prototherian
lexicalization	eng: prototherian
subclass of	(noun) any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk mammalian, mammal
has subclass	(noun) the most primitive mammals comprising the only extant members of the subclass Prototheria egg-laying mammal, monotreme