Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.

Prototheria

From Biology-Online Dictionary
Jump to: navigation, search

Definition

noun

A taxonomic group comprised of egg-laying mammals monotremes and related extinct species


Supplement

Class Mammalia includes the Theria and the Prototheria. Theria includes mammals in which the young are born alive whereas Prototheria includes mammals laying eggs, i.e. themonotremes


Word origin: Greek proto (first) + therion (beast) + mammal

Compare:

Related term(s):