-Unicellular animal ranging in size from 0.1-8mm.
-Benthonic or planktonic forms with a considerable disparity in morphology within the suborders.
-Allogromiina has a very poor fossil record.
-Textulariina lost a third of all its genera.
-Miololina lost half of its genera.
-Lagenina and Involutina showed dramatic increase in post extinction radiation.
-The order on the whole has a very good, widespread fossil record.
