The paradoxical ichnotaxonomy of Thalassinoides paradoxicus: a name of different meanings

Thalassinoides paradoxicus (Woodward, 1830) is a prevalent and frequently reported ichnotaxon, but given its early erection and subsequent revisions, it now is poorly understood and lumps together three different kinds of trace fossils having distinct characteristics. A clear definition (i.e., diagnosis) of each individual component is crucial for ichnotaxonomic stability and the application of these ichnotaxa in environmental and evolutionary...