Instead, they're assigned their own unique ichnotaxon, which is just a scientific name for a specific trace fossil.
相反, 它们被分配了自己独特的 ichnotaxon,这只是特定踪迹化石的学名。
英语百科
Ichnotaxon
An ichnotaxon (plural ichnotaxa) is defined by the International Code of Zoological Nomenclature as "a taxon based on the fossilized work of an organism", that is, the non-human equivalent of an artifact.