Monotreme
Of prototherian. May also be referred to as egg-laying mammal.
The most primitive mammals comprising the only extant members of the subclass Prototheria.
This concept's ID is @1~9494
Contains
A burrowing monotreme mammal covered with spines and having a long snout and claws for hunting...
A burrowing monotreme mammal covered with spines and having a long snout and claws for hunting...
Small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and...