Lithographus, an Abundant Arthropod Trackway from the Cretaceous Haenam Tracksite of Korea Nicholas J. Minter, Martin G. Lockley, Min Huh, Koo-Geun Hwang, and Jeong Yul Kim Trackways ascribed to Lithographus hieroglypichus and attributed to pterygote insects are described from the Cretaceous Uhangri Formation of Korea. The locality is part of the Haenam Tracksite at the Uhangr..