# Helicosphaera carteri

> species of alga (fossil)

**Wikidata**: [Q23070916](https://www.wikidata.org/wiki/Q23070916)  
**Source**: https://4ort.xyz/entity/helicosphaera-carteri


## References

1. Taxonomy database of the U.S. National Center for Biotechnology Information
2. Integrated Taxonomic Information System
3. Fossilworks
4. Global Biodiversity Information Facility
5. World Register of Marine Species
6. AlgaeBase
7. Catalogue of Life in Taiwan
8. UMLS 2023
9. TAXREF v14.0
10. TAXREF v15.0
11. TAXREF v16.0
12. National Biodiversity Network
13. Interim Register of Marine and Nonmarine Genera
14. Ocean Biodiversity Information System
15. Open Tree of Life reference taxonomy version 3.6
16. Brazilian Flora 2020 project - Projeto Flora do Brasil 2020