Order - Monotremata

Class: Mammalia

Subclass: Prototheria

Order: Monotremata

Name derivation: “single perforation”

  • Family: Ornithorhynchidae (1 species - platypus)
  • Family: Tachyglossidae (4 species - echidnas)

Genus Count: 3

Species Count: 5

Notes: Based on Catalogue of Life as of March 2025.

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