Original: In addition to confirming the hypothesis that the sickle-claw was held retracted off the ground, the trackway (made by a large, Achillobator-sized species) showed evidence of six individuals of about equal size moving together along a shoreline.
Simplified: The trackway, (made by a large, Achillobator-sized species), showed the sickle-claw was held off the ground. Six individuals of about equal size moved together along a shoreline.