I 2010 blev det offentliggjort, at man havde fundet det første [[korsetdyr]] (''[[Loricifera]]''-medlem), som ikke krævede ilt, men derimod hydrogen for at leve og formere sig.
<ref>[http://www.sciencedaily.com/releases/2010/04/100407094450.htm BioMed Central (2010, April 7). First animals to live without oxygen discovered. ScienceDaily. Retrieved April 18, 2010] Citat: "...Deep under the [[Middelhavet|Mediterranean Sea]], small [[dyr|animals]] have been discovered that live their entire lives without [[oxygen]] and surrounded by 'poisonous' sulphides...the open access journal BMC Biology report the existence of multicellular organisms (new members of the group [[Loricifera]]), showing that they are alive, [[stofskifte|metabolically]] active, and apparently reproducing in spite of a complete absence of oxygen...."The finding by Danovaro et al. offers the tantalizing promise of metazoan life in other [[iltfri|anoxic]] settings, for example in the subsurface ocean beneath [[Hydrotermisk væld|hydrothermal vents]] or [[Subduktionszone|subduction zones]] or in other anoxic basins."..."</ref>
<ref>[http://ing.dk/artikel/108682 10. maj 2010, ing.dk: Sensationelt fund: Flercellede væsner lever af brint]{{Dødt link|date=februar 2022 |bot=InternetArchiveBot |fix-attempted=yes }} Citat: "...I prøverne var der tre ukendte arter af de såkaldte [[korsetdyr]], som lever rundt om verden i havbundsaflejringer – bl.a. i [[dybhav]]smudder...Men disse korsetdyr er udstyret på en helt anden måde. De benytter sig af [[hydrogenosomer]]..."</ref>
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