[foram] Halenia is a recent discorbacean foraminiferal genus. The test is free, a low trochspire with a rounded periphery; wall calcaeous, monolamellar. Chambers are subglobular, all visible on spiral side, only last volution visible on umbilical side; final chamber with an umbilical flap. Sutures are depressed, radial on umbilical side, cu... Found on http://en.wikipedia.org/wiki/Halenia_(foram)