# Ornithorhynchidae

> family of extant mammals in the order Monotremata

**Wikidata**: [Q21811](https://www.wikidata.org/wiki/Q21811)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ornithorhynchidae)  
**Source**: https://4ort.xyz/entity/ornithorhynchidae


## References

1. Integrated Taxonomic Information System. 2006
2. Class Mammalia Linnaeus, 1758
3. Mammal Species of the World (Third edition)
4. An Outline of an Attempt at the Disposition of Mammalia into Tribes and Families, with a List of the Genera apparently appertaining to each Tribe
5. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=2886)
6. Nuovo soggettario
7. Freebase Data Dumps. 2013
8. Taxonomy database of the U.S. National Center for Biotechnology Information
9. Encyclopedia of Life
10. Fossilworks
11. Global Biodiversity Information Facility
12. Barcode of Life Data Systems
13. Interim Register of Marine and Nonmarine Genera
14. National Library of Israel
15. KBpedia
16. Open Tree of Life reference taxonomy version 3.6