I am looking for detailed research on the origin of Tardigrades. My Question is: From which animal did they evolve? And, why did they develop such extreme ability's such as Cryptobiosis. (Hsp 70 genes, to produce Proteins and mRNA)

Thank you very much.
Greetings, David Bernhardt

this is the 3rd time you have posted the same question. when one of the experts on the site is available and knows the answer they will post a response. Until then you will have to be patient. Meanwhile see
http://www.jstor.org/stable/3226943?seq … b_contents