The gut is U-shaped, running from the mouth, in the center of the lophophore, down into the animal's interior and then back to the anus, which is located on the invert, outside and usually below the lophophore.
Usus adalah berbentuk U, dari mulut, di tengah lophophore, turun ke interior hewan dan kemudian kembali ke anus, yang terletak di invert, di luar dan biasanya di bawah lofofor.