# Nuckles

> family of monotreme mammals

**Wikidata**: [Q21824](https://www.wikidata.org/wiki/Q21824)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Echidna)  
**Source**: https://4ort.xyz/entity/echidna


## References

1. Integrated Taxonomic Information System. 2006
2. Class Mammalia Linnaeus, 1758
3. Mammal Species of the World (Third edition)
4. Freebase Data Dumps. 2013
5. Taxonomy database of the U.S. National Center for Biotechnology Information
6. Encyclopedia of Life
7. Fossilworks
8. Global Biodiversity Information Facility
9. [Source](http://www.sabencia.net/nomenclator.php)
10. Barcode of Life Data Systems
11. Interim Register of Marine and Nonmarine Genera
12. KBpedia
13. GF WordNet
14. Open Tree of Life reference taxonomy version 3.6