WoRMS catalogs marine species names and reflects current published taxonomic knowledge.
ITIS vs Systema Dipterorum
How do ITIS and Systema Dipterorum compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | ITIS | Systema Dipterorum |
|---|---|---|
| What it is | ITIS assembles scientific names and taxonomic relationships for global species and makes taxonomy data available through software. | Systema Dipterorum catalogs names of living and extinct two-winged insects and provides access to its taxonomic resources. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | — |
| Alternatives |
Other options to consider
Sites similar to both ITIS and Systema Dipterorum.
BacDive catalogs strain-linked information about bacterial and archaeal biodiversity, with search, API, download, and special collection options.
The Atlantic Canada Conservation Data Centre provides biodiversity information for the region.
Natural Resources Canada's geoscience tools include a searchable lexicon of published geological names used in Canada.
IPNI provides nomenclatural details for vascular plant names, including spelling, authorship, type, and publication information.
The UK's Biological Records Centre coordinates records of terrestrial and freshwater species with volunteer observers.





