A taxonomic group that includes the platypus and echidnas, characterized by their unique reproductive methods and physical traits.

परिवार ऑर्निथोरिंखिडे

English Usage: The family Ornithorhynchidae is known for its egg-laying mammals.

Hindi Usage: परिवार ऑर्निथोरिंखिडे अंडे देने वाले स्तनधारी के लिए जाना जाता है।