The Ramurans are related to the Ocampa.
Their ears are shaped noticeably similarly, bar the Ramurans' extra point. Both societies are isolated and xenophobic. Both species have an otherworldly, fay-like aura, and their biology is equally ludicrous. The Borg baby was Ramuran.
Hence why everyone forgot about her.- Note that her ears aren't visible under her head implants.
