* [[Saltsøkrebs]] (måske kan de tåle dyb nedfrysning i embryostadiet?)
* [[Triops]], [[damrokke]] – kan ligge i udtørret [[embryo]]fase i mindst 27 år
* [[Lav (symbiotisk organisme)]]<ref>[http://www.esa.int/esaCP/SEMUJM638FE_index_0.html 8 November 2005, ESA: Lichen survives in space] Citat: "...two different species ([[Rhizocarpon geographicum]] and [[Xanthoria elegans]]) were exposed for a total 14.6 days before being returned to Earth...indicate that lichens have the capacity to resist full exposure to the harsh space conditions, especially high levels of [[Ultraviolet stråling|UV radiation]]. Analysis post flight showed a full rate of survival and an unchanged ability for [[Fotosyntese|photosynthesis]]..."</ref><ref>[http://www.spacedaily.com/news/life-05zzzzzzzr.html Nov 09, 2005, Space Daily: Lichen Survives In Space] Citat: "...suggests that lichens might survive at the surface of [[Mars (planet)|Mars]]..."</ref><ref>[http://www.sciencedaily.com/releases/2012/06/120623145623.htm European Space Agency (2012, June 23). Lichen can survive in space: Space station research sheds light on origin of life; potential for better sunscreens. ScienceDaily] Citat: "...It seems possible that organisms could colonize planets by hitching rides on [[Småplanet|asteroids]]. ESA is probing this intriguing theory further on future Station missions with different samples..."</ref>
Disse dyr klarer sig bedre i laboratorier i rummet end på jorden:
* [[Caenorhabditis elegans]]<ref>[http://videnskab.dk/miljo-naturvidenskab/mikroskopisk-orm-trives-bedre-i-rummet-end-pa-jorden 17. juli 2012, Mikroskopisk orm trives bedre i rummet end på Jorden] Citat: "...Deres medbragte følgesvende – mikroskopiske orm kaldet 'Caenorhabditis elegans' – var i derimod i glimrende form. »Rumormene levede længere, og havde bedre helbred end deres artsfæller på Jorden,« siger Post.doc Jason Hatton til Videnskab.dk..."</ref>
Fysik Videnskab Naturvidenskab