# Ammonoidea

> extinct subclass of cephalopods (Cephalopoda)

**Wikidata**: [Q228002](https://www.wikidata.org/wiki/Q228002)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ammonoidea)  
**Source**: https://4ort.xyz/entity/ammonoidea


## References

1. Library of Congress
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=31502)
3. Nuovo soggettario
4. Freebase Data Dumps. 2013
5. Encyclopedia of Life
6. Fossilworks
7. World Register of Marine Species
8. [Source](https://www.express.pk/story/578852/)
9. [ਜੂਰੈਸਿਕ ਸਿਸਟਮ - ਪੰਜਾਬੀ ਪੀਡੀਆ](https://punjabipedia.org/topic.aspx?txt=%E0%A8%9C%E0%A9%82%E0%A8%B0%E0%A9%88%E0%A8%B8%E0%A8%BF%E0%A8%95%20%E0%A8%B8%E0%A8%BF%E0%A8%B8%E0%A8%9F%E0%A8%AE)
10. Quora
11. National Library of Israel
12. GF WordNet
13. Open Tree of Life reference taxonomy version 3.6
14. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)