ADW: Prototheria: SPECIMENS

Prototheriaegg-laying mammals

- duck-billed platypus
  Ornithorhynchus anatinus
- duck-billed platypus
  Ornithorhynchus anatinus
- duck-billed platypus
  Ornithorhynchus anatinus
- duck-billed platypus
  Ornithorhynchus anatinus
- duck-billed platypus
  Ornithorhynchus anatinus
- duck-billed platypus
  Ornithorhynchus anatinus
- duck-billed platypus
  Ornithorhynchus anatinus
- duck-billed platypus
  Ornithorhynchus anatinus
- short-beaked echidna
  Tachyglossus aculeatus
- short-beaked echidna
  Tachyglossus aculeatus
- short-beaked echidna
  Tachyglossus aculeatus
- short-beaked echidna
  Tachyglossus aculeatus
- short-beaked echidna
  Tachyglossus aculeatus

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Classification

Kingdom Animalia animals
Phylum Chordata chordates
Subphylum Vertebrata vertebrates
Class Mammalia mammals
Subclass Prototheria egg-laying mammals

To cite this page: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2025. The Animal Diversity Web (online). Accessed at https://animaldiversity.org.

Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students. ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control.

This material is based upon work supported by the National Science Foundation Grants DRL 0089283, DRL 0628151, DUE 0633095, DRL 0918590, and DUE 1122742. Additional support has come from the Marisla Foundation, UM College of Literature, Science, and the Arts, Museum of Zoology, and Information and Technology Services.

The ADW Team gratefully acknowledges their support.

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Prototheriaegg-laying mammals

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Prototheriaegg-laying mammals

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