Prototheria

plural noun

Pro·​to·​the·​ria

: 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

Word History

Etymology

New Latin, from prot- + -theria

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Rhymes for Prototheria

• arteria
• bacteria
• criteria
• diphtheria
• egeria
• listeria
• neisseria
• wisteria
• cafeteria
• cyanobacteria
• mycobacteria