ICTV Master Species List (MSL)
Authors/Creators
Description
The Master Species List (MSL) provides access to the official virus taxonomy approved by the ICTV. A new MSL will be uploaded whenever a new, revised taxonomy is ratified by the ICTV membership. These Master Species Lists (MSL) provide the complete ICTV taxonomy as a downloadable spreadsheet.
The new, 2025 ICTV taxonomy is now available through our taxonomy browser at https://ictv.global/taxonomy. This new version of Master Species List #41 is also available for download as an Excel Spreadsheet.
MSL41 contains taxonomic changes approved by the ICTV Executive Committee in August, 2025 and ratified by the ICTV Membership in February 2026.
Files
Files
(1.8 MB)
| Name | Size | Download all |
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md5:b86b2ea2a0fc310dfad3ea00ee707474
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1.8 MB | Download |
Additional details
Funding
- National Institutes of Health
- Virus Taxonomy: A Community Knowledgebase Supporting Virus Research 5U24AI162625-03