PROTOTHERIA


Meaning of PROTOTHERIA in English

ˌ ̷ ̷ ̷ ̷ˈthirēə noun plural

Usage: capitalized

Etymology: New Latin, from prot- + -theria

: a subclass of Mammalia that is coextensive with Monotremata or in some classifications includes both Monotremata and Allotheria and that is represented in the recent fauna solely by the egg-laying platypus and echidnas

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.