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Dartmuthia

DARTMUTHIA The broad head shield is the only part of Dartmuthia that is known. It was a bottom-feeder, with a round, sucking mouth on the underside of its head, like its contemporary Trematapsis. There was a small dorsal fin halfway along its back, and the pressure-sensitive organs were well developed on its head behind the eyes. ©1988 Marshall Editions Limited .