All Utricularia are carnivorous and capture small organisms by means of bladder-like traps. Which among the following bryophytes is often compared with Utricularia?

Colura zoophaga is a small epiphytic liverwort . It possesses elongated water sacs formed by the fusion of the upper leaf margin rolling inward down to the rest of the leaf. A funnel-shaped channel at the lower leaf margin leads to a small opening into the water sac and is covered by a movable lid that only open inward.It is because of this bladder-like configuration that these traps have been compared to those of Utricularia.