Thus , the original authors proposed Nichollssaura as a replacement generic name in 2009 .
The fossil , named after paleontological curator Dr. Betsy Nicholls , originally was named Nichollsia borealis but Nichollsia was already in use ( preoccupied ) by a genus of isopods .
The original authors proposed Nichollsia borealis as a replacement generic name in 2009 .
The fossil , named after paleontological curator Dr. Betsy Nicholls , originally was named Nichollsia borealis but Nichollsia was already in use ( preoccupied ) by a genus of isopods .