A Lower Cretaceous dinosaur track assemblage from the Taoqihe Formation in Central Heilongjiang, China

An Early Cretaceous dinosaur ichnofauna is reported from the Taoqihe Formation (Aptian–Albian) in Heilongjiang Province, China. The assemblage, which comprises >70 tracks in 5 trackways, includes parallel sauropod trackways, a toe-trace dominated tridactyl ornithopod trackway and elongate tridactyl theropod tracks, the latter tentatively be attributed to swimming activity. The combination of possible swim and walking trackways suggest that they...