- International Code of Zoological Nomenclature http://www.iczn.org/iczn/index.jsp
- International Comission on Zoological Nomenclature http://www.iczn.org/
- Curiosities of Biological Nomenclature http://www.curioustaxonomy.net/
- Index Nominum Genericorum (rodová jména použitá v botanice) http://botany.si.edu/ing/
- International Plant Name Index (rodová jména použitá v botanice) http://www.ipni.org/search_tips.html
- Nomenclator Zoologicus http://uio.mbl.edu/NomenclatorZoologicus/
- Palaeobiology Database http://paleodb.org/cgi-bin/bridge.pl
- Tropicos (rodová jména použitá v botanice) http://www.tropicos.org/
- ZooBank http://www.zoobank.org/