242,749 accepted species of which 226,367 checked (93%)
447,622 species names including synonyms
555,130 taxon names (infraspecies to kingdoms)
53,925 images of which 27,596 checked (51%)
Last update: 35 minutes ago
With WoRMS we aim to provide the most authoritative list of names of all marine species globally, ever published.
WoRMS is a contribution to Lifewatch, Catalogue of Life, Encyclopedia of Life,
Global Biodiversity Information Facility and the Census of Marine Life.
New taxonomic collaboration resource launched by WoRMS Porifera editors
Added on: 2013-05-25 10:00:33 by Costello, MarkSpongeMaps (www.spongemaps.org) is an online, password protected “collaboration-in-the-cloud”, built specifically for those working on the difficult taxonomy of sponges (Porifera), but likely with more global utility across other phyla. ...
The World Register of Deep Sea Species is pleased to announce the availability of our first iOS app: Deep Sea ID v1.0
Added on: 2013-03-20 12:39:42 by Vandepitte, LeenThe app is free to download and works on both iPhone and iPad. It allows offline access to the World Register of Deep-Sea Species and currently stores taxonomic information for over 20,000 deep-sea species, over 350 high-resolution photographs of deep-sea specimens and much more. ...
Report on the WoRMS editor workshop in Vienna available
Added on: 2013-03-12 11:21:06 by Vandepitte, LeenOn February 21st, we held our WoRMS editor workshop in Vienna. Although we did not have a massive turnout (11 people in total), we did have a very good workshop, with valuable feedback and discussions.
In memory of Carlo Heip
Added on: 2013-02-26 02:16:48 by Costello, MarkOne of the world’s great marine biologists has passed away. ...
PRESS RELEASE: The World Register of Marine Species (2013) PLOS Collections launched!
Added on: 2013-01-09 23:09:14 by Costello, MarkThis Collection has been created by the editors of the World Register of Marine Species, an open-access online database which holds information on all marine species, and some of their freshwater and terrestrial relatives. The WoRMS database contains species names, synonyms, sources and a range of other information, as described in the collection overview paper (Costello et al. 2012). ...
Launch of the African Register of Marine Species (AfReMaS)
Added on: 2012-12-11 13:00:05 by BelHassen, MalikaWe are pleased to announce the launch of the African Register of Marine Species (AfReMaS). It aims to compile and manage an authoritative list of species occurring along African marine coasts. It tries to provide the most up-to-date taxonomy edited by taxonomic experts. ...
Launch of the World Register of Deep-Sea Species (WoRDSS)
Added on: 2012-12-04 14:18:16 by Horton, TammyWe are pleased to announce the launch of the World Register of Deep-Sea Species, a new web portal in close collaboration with the WoRMS team at VLIZ and with the help of the taxonomic editors. The World Register of Deep-Sea species aims to bring together the most up-to-date taxonomy with a suite of identification tools (online keys, monographs and papers) recommended by taxonomic experts. ...
Next WoRMS Steering Committee (SC) meeting: 12 Dec 2012, Ostend, Belgium
Added on: 2012-11-23 17:38:43 by Vandepitte, LeenThe meeting will be held back to back with an EMODNet/WoRMS species attributes workshop.
PRESS RELEASE: At Least One-Third of Marine Species Remain Undescribed
Added on: 2012-11-15 18:10:22 by Appeltans, WardAt least one-third of the species that inhabit the world’s oceans may remain completely unknown to science. That’s despite the fact that more species have been described in the last decade than in any previous one, according to a report published online on November 15 in the Cell Press publication Current Biology that details the first comprehensive register of marine species of the world—a massive collaborative undertaking by hundreds of experts around the globe. ...
WoRMS weekly digest launched
Added on: 2012-08-24 12:14:51 by Vanhoorne, BartIn the past, several people have asked the database management team about the possibility to create an alert system for the WoRMS editors, so they can keep better track of all the changes and additions that are made to the taxonomic group they are responsible for. ...
New data manager for WoRMS: Leen Vandepitte
Added on: 2012-06-15 13:51:31 by Mees, JanThe Flanders Marine Institute (VLIZ) has appointed Leen Vandepitte as the new data manager for WoRMS.
Leen is a biologist with a lot of experience in biological data management. In the VLIZ data centre, she is also responsable for the management of EurOBIS. Wim Decock (biologist) and Bart Vanhoorne (IT specialist) will of course continue to serve in the data management team for WoRMS.
World List of Lophogastrida, Stygiomysida and Mysida launched ('Mysidacea')
Added on: 2012-04-12 10:27:01 by Mees, JanThe peracarid crustacean orders Mysida, Lophogastrida and Stygiomysida were formerly grouped under the name "Mysidacea". Although the treatment in three separate orders is now accepted, we have chosen to present mysids, lophogastrids and stygiomysids in the same web interface. The higher classification (orders, families, subfamilies) follows Meland & Willassen (2007), and the fossil order of Pygocephalomorpha is also included in the database.
New WoRMS Steering Committee (SC) 2012 approved
Added on: 2012-03-06 13:19:28 by Appeltans, Ward & Costello, MarkA new WoRMS Steering Committee (SC) has been approved by the WoRMS Editors. Many of the editors said it is a well-balanced representation of expertise.
NEW: Marine Species of the British Isles and Adjacent Seas (MSBIAS)
Added on: 2012-03-05 14:16:06 by Appeltans, WardWe are pleased to launch a new regional species database for the British Isles and Adjacent Seas (MSBIAS), that grew out of the World Register of Marine Species database.
State of Observed Species report shows nearly 20,000 new species described in 2009
Added on: 2012-02-06 13:44:07 by Appeltans, WardIISE counted 176,311 new living species between 2000 and 2009, of which 19,232 were described in the last year (SOS report 2011, released on 18 Jan 2012). WoRMS has 1,928 new marine species in 2009. The data were gathered from Zoological Record, IPNI, MycoBank, WoRMS and AlgaeBase. ...
URMO website, as a tribute to Jacob van der Land
Added on: 2011-12-21 11:32:10 by Appeltans, WardThe UNESCO-IOC Register of Marine Organisms (URMO) was the first attempt to compile an electronic list all marine species during the 1990’s. It was invented and developed by Jacob van der Land at the National Museum of Natural History, Leiden (and several colleagues). URMO and other databases (such as the European Register of Marine Species) were the starting points for the current World Register of Marine Species. The URMO list is no longer actively maintained and is completely adopted by the World Register of Marine Species. ...
The Flanders Marine Institute (VLIZ), host institute of the WoRMS database, is now officially a World Data Centre.
Added on: 2011-11-25 10:26:18 by Appeltans, WardVLIZ was awarded this honour and saw its efforts in managing marine data since 2000 rewarded with an international certification within the World Data System of the International Council for Science (ICSU). VLIZ is now an official member of a global network of 28 world data centres, of which only 4 deal with marine data management. ...
In Memoriam Jacob van der Land (1935-2011)
Added on: 2011-10-27 09:35:14 by Hoeksema, Bert W.Dr. Jacob van der Land passed away on Sunday 23 October 2011, 76 years old. He spent many of his productive years - before and after his retirement - on the Unesco Register of Marine Species, the European Register of Marine Species, and indirectly also on WoRMS. ...
WoRMS frequently mentioned at the World Conference of Marine Biodiversity 2011
Added on: 2011-10-11 09:56:28 by Appeltans, WardWoRMS was quoted as a source of information many times during the World Conference of Marine Biodiversity (25-30 September 2011, Aberdeen, UK), the largest ever conference of marine biologists with almost 1000 present. ...
The World Polychaeta Database launched
Added on: 2011-09-19 13:21:24 by Read, GeoffThe new Global Species Database (GSD) contains over 11,000 accepted species and is a merge of the World Register of Polychaeta by Kristian Fauchald (2007) and numerous additions/edits from Geoff Read (>2009), and several other editors. ...
Who is using WoRMS?
An overview of who is using WoRMS is available on our users webpage.
We ask you to cite the individual global or regional species lists, or species pages as appropriate. Their citations are shown on their web pages. The database as a whole is to be cited as follows:
WoRMS Editorial Board (2017). World Register of Marine Species. Available from http://www.marinespecies.org at VLIZ. Accessed 2017-01-19. doi:10.14284/170
Citations (Google scholar)
Note to users
The WoRMS Editorial Board maintains this register, but is aware that the content can have omissions and errors.
If you come across any error or incomplete information or you are willing to contribute to this initiative, please contact us at firstname.lastname@example.org.
© WoRMS Editorial Board. The text on the WoRMS pages is open-access under the terms of the Creative Commons Attribution License, which permits unrestricted use provided it is cited as requested on the WoRMS webpages, unless stated otherwise on the individual pages.
Images are by default open-access under the terms of the CC BY-NC-SA license, unless stated otherwise.