Monotremes are the sixth generator in the mammal tech tree and the twenty-eighth one in all.
Monotremes are a rare group of mammals that lay eggs but nurse their young with milk. The only types of monotremes that currently exist are the platypus and various species of echidna.
The Monotreme looks like an echidna, probably a Short-beaked Echidna.
|Venomous Spurs||300% more efficient||231.0 Udc||Monotremes|
|Toothless||600% more efficient||1.81 Ddc||Monotremes|
|Platypus||900% more efficient||48.85 Ddc||Toothless, Venomous Spurs|
|Echidna||1200% more efficient||232.00 Ddc||Toothless|