Dictionary search results

Showing 1-4 of 4 results

Prototheria British & World English

A group of mammals that comprises the monotremes and their extinct relatives

Prototheria in mammal British & World English

A warm-blooded vertebrate animal of a class that is distinguished by the possession of hair or fur, females that secrete milk for the nourishment of the young, and (typically) the birth of live young

Prototheria in monotreme British & World English

A primitive mammal that lays large yolky eggs and has a common opening for the urogenital and digestive systems. Monotremes are now restricted to Australia and New Guinea, and comprise the platypus and the echidnas

Prototheria in Prototheria British & World English

A group of mammals that comprises the monotremes and their extinct relatives