The “lost” holotype of Laiyangpus liui (Lower Cretaceous, Shandong Province, China) is found: Implications for trackmaker identification, ichnotaxonomy and interpretation of turtle tracks

The vertebrate track Laiyangpus liui, from the Lower Cretaceous of Shandong Province in China has been the subject of misunderstanding and misinterpretation since it was discovered and named in 1960, and reposited in the Institute of Vertebrate Paleontology and Paleoanthropology collections in Beijing. It was initially misinterpreted as evidence of a coelurosaurian (non-avian theropod) trackmaker supposedly showing evidence of tridactyl manus...