# Viperinae

> subfamily of reptiles

**Wikidata**: [Q651012](https://www.wikidata.org/wiki/Q651012)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Viperinae)  
**Source**: https://4ort.xyz/entity/viperinae


## References

1. A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=38949)
3. Nuovo soggettario
4. Freebase Data Dumps. 2013
5. Taxonomy database of the U.S. National Center for Biotechnology Information
6. Integrated Taxonomic Information System
7. Fossilworks
8. National Library of Israel Names and Subjects Authority File
9. Open Tree of Life reference taxonomy version 3.6