Monotreme
= Monotreme
= Monotremata
{c}
{synonym}
An egg-laying <mammal> of the lineage containing living platypuses and echidnas. Living distribution in Australasia does not describe the full fossil distribution.
= Monotreme
= Monotremata
{c}
{synonym}
An egg-laying <mammal> of the lineage containing living platypuses and echidnas. Living distribution in Australasia does not describe the full fossil distribution.