“…These studies identify the objects of traditional names by means of mutual verification between historical textual evidence and scientific knowledge of animals and plants (Gao et al , 1981 ; He, 1988a , 1993 ; Wang, 2019 ; Wen, 2003 ; Yan, 2020 ). However, the reliability and justifiability of some case studies have been questioned, based on concerns including a lack of solid theoretical basis, unreliable sources of evidence, insufficient research depth and research methods that are too simple (Sterckx, 2005 ; Wang, 1999 ; Yan, 2020 ; Zhang, 2015b ). One highly controversial example is the book History of Ancient Zoology of China (Guo et al , 1999 ) and its critics (Li, 2002 ; Sterckx, 2005 ; Wang, 1999 ).…”