We don't know the name of this thing.
But we do know where it came from. So we're using that to title the page logically. If you know a better, more precise name, tell us.
The Bessanians were the inhabitants of Bessan. As recalled by Brother Lassar, they had "some rather lovely wings" which were inherited by the Krillitanes after they invaded the planet. He claimed that they made a million widows in one day. (TV: School Reunion)