Andreas Brandhorst 
Perry Rhodan Lemuria 3: Exodus to the Stars [EPUB ebook] 

Perry Rhodan has discovered a huge space ship, an ark in space, carrying a population of humans who set out on their journey 55, 000 years ago, from Earth — Lemurians, the legendary forefathers of mankind.
A virus, prepared by the creator of the arks long ago, sends Perry Rhodan into a coma and takes him on a mental journey 55, 000 years into the past. Rhodan finds out there are more arks than he has known about — he becomes a witness to the birth of the arks of the stars…