Systema Dipterorum catalogs names of living and extinct two-winged insects and provides access to its taxonomic resources.
World Register of Marine Species
WoRMS catalogs marine species names and reflects current published taxonomic knowledge.
About World Register of Marine Species
The World Register of Marine Species (WoRMS) is an online classification and catalogue of marine species names. It is operated by the Flanders Marine Institute and powered by LifeWatch Belgium. The site states that it updates continuously to reflect current published scientific knowledge, without making new taxonomic decisions. The homepage shows 251,194 accepted marine species, with 98% checked, and 525,234 marine species names including synonyms.
The register includes related subregisters and tools, such as Match Taxa tools and webservices. The homepage also links to citation guidelines and terms of use. The homepage does not state any geographic eligibility or usage limits.
Key features
- Catalogue of marine species names, including synonyms
- Accepted marine species list with checked-status figures shown on the homepage
- Species image collection with a checked-status figure
- WoRMS Match Taxa and LifeWatch Match Taxa tools
- Webservices for accessing register data
- Subregisters, including a Kinorhyncha portal and the CoRMS Colombia platform
Best for: Researchers, taxonomists, and data managers who need standardized marine species names and classifications based on published taxonomy.
Good for
- Lists 251,194 accepted marine species on the homepage, with 98% checked.
- Reflects current published scientific knowledge and states it does not make new taxonomic decisions.
- Provides citation guidelines and terms of use on the site.
Watch out for
- Because it does not make new taxonomic decisions, it does not set names beyond what is published.
- The homepage does not describe the terms or conditions for the 'Request access' option.
World Register of Marine Species at a glance
- Website
- marinespecies.org/index.php
- Category
- Research & Data › Climate & Environmental Data
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
World Register of Marine Species alternatives
Tools and sites you could use instead, ranked by how closely they match.
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Sextant documents, disseminates, and promotes a catalog of marine environmental data for Ifremer laboratories and partner organizations.
The Avian Knowledge Network connects resources and data about birds for research and conservation work.
The Western Regional Climate Center provides climate services for the western United States and maps of current conditions.
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World Register of Marine Species FAQ
Does WoRMS make new taxonomic decisions?
No. The site states that WoRMS strives to reflect current published scientific knowledge without making new taxonomic decisions.
How should WoRMS be cited?
The homepage links to citation guidelines, which are available on the site.
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