Here are the possible solutions for yours is mammalia clue
Answer
Clue
Relevancy
class
Clue
Yours is Mammalia
Definition
to classify
phylumchordata
Clue
You're part of it, along with being in the Class Mammalia
nontransferable
Clue
Yours and yours only
Definition
not transferable
reefermadness
Clue
1930s anti-marijuana propaganda film that ends with the principal of a school saying, "The next tragedy may be that of your daughter...or your son...or yours or yours..." [points at the camera] "... o