Systema Dipterorum catalogs names of living and extinct two-winged insects and provides access to its taxonomic resources.
ITIS vs World Register of Marine Species
How do ITIS and World Register of Marine Species compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | ITIS | World Register of Marine Species |
|---|---|---|
| What it is | ITIS assembles scientific names and taxonomic relationships for global species and makes taxonomy data available through software. | WoRMS catalogs marine species names and reflects current published taxonomic knowledge. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both ITIS and World Register of Marine Species.
BioVeL provides references on biodiversity science, including population ecology, conservation, and species loss.
Natural Resources Canada's geoscience tools include a searchable lexicon of published geological names used in Canada.
The Atlantic Canada Conservation Data Centre provides biodiversity information for the region.
BacDive catalogs strain-linked information about bacterial and archaeal biodiversity, with search, API, download, and special collection options.
Copernicus Marine provides free and open marine data and services for marine policy, blue growth, and scientific innovation.





