Discriminating conodont recording bias: a case study from the Nanzhang-Yuan’an Lagerstätte 1Hubei Institute of Geosciences, Hubei Geological Bureau, Wuhan, Hubei, China 2State Key Laboratory of Biogeology and Environmental Geology, School of Earth Science, China University of Geosciences (Wuhan), Wuhan, Hubei, China 3Hubei Key Laboratory of Resource and Ecological Environment Geology, Wuhan, Hubei, China DOI 10.7717/peerj.18011 Academic Editor Kenneth De Baets Subject Areas Biodiversity,...