Taxonomic Swap 146981
(Committed on 2024-09-21)
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Comments
According to Wikipedia, which must be right :)
The taxonomic classification of trace fossils parallels the taxonomic classification of organisms under the International Code of Zoological Nomenclature. In trace fossil nomenclature a Latin binomial name is used, just as in animal and plant taxonomy, with a genus and specific epithet. However, the binomial names are not linked to an organism, but rather just a trace fossil. This is due to the rarity of association between a trace fossil and a specific organism or group of organisms. Trace fossils are therefore included in an ichnotaxon separate from Linnaean taxonomy. When referring to trace fossils, the terms ichnogenus and ichnospecies parallel genus and species respectively.
See ICZN, Chapter 12:
Article 56. Genus-group names,
56.1. Application of the Principle of Homonymy
The Principle of Homonymy applies to all genus-group names, including names of collective groups and of ichnotaxa at the genus-group level [Arts. 1.2, 23.7, 42.2].
Seems clear.
Else The replacement name Phykodes Rindsberg, 2019 is also adopted in IRMNG, which i find a trustworthy source of genus-level changes https://www.irmng.org/aphia.php?p=taxdetails&id=11923182
My understanding is that the taxonomy of trace fossils (or ichnofossils) is independent from the conventional taxonomy. Based on that, Phykodes would be an unnecessary replacement name that is not valid.