104 urn:lsid:arphahub.com:pub:f2cd1fff-21e4-581f-a7fa-850997197b7f urn:lsid:zoobank.org:pub:B1C81912-2D17-4CD8-8D2C-EFEAAAB2EF75 Vertebrate Zoology VZ 1864-5755 2625-8498 Senckenberg Gesellschaft für Naturforschung 10.3897/vz.76.e194752 194752 Editorial Ctenodactylidae Mammalia Rodentia Systematics Rescinded: Editorial expression of concern Fritz Uwe uwe.fritz@senckenberg.de https://orcid.org/0000-0002-6740-7214 1 Museum of Zoology, Senckenberg Dresden, Dresden, Germany Museum of Zoology, Senckenberg Dresden Dresden Germany

Corresponding author: Uwe Fritz (uwe.fritz@senckenberg.de).

Academic editor: Uwe Fritz

 2026 17 04 2026 76 185 185 81B66CF0-2506-5C33-B319-3E2F2F999F95 19649366 Uwe Fritz This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. <p><bold>As of April 17, 2026, Vertebrate Zoology rescinds this Editorial Expression of Concern</bold>:</p> <p> <bold>A new living species of the genus <italic><tp:taxon-name><tp:taxon-name-part taxon-name-part-type="genus" reg="Ctenomys">Ctenomys</tp:taxon-name-part></tp:taxon-name></italic> (<tp:taxon-name><tp:taxon-name-part taxon-name-part-type="order" reg="Rodentia">Rodentia</tp:taxon-name-part></tp:taxon-name>: <tp:taxon-name><tp:taxon-name-part taxon-name-part-type="family" reg="Rodentia">Ctenomyidae</tp:taxon-name-part></tp:taxon-name>) from central-western Argentina</bold> </p> <p>The Editor-in-Chief would like to alert the readers that concerns have been raised regarding the validity of the cited research permit RES ANP EX-483484-2020 for the research conducted in Alvarado-Larios et al. (2024: <ext-link xlink:href="10.3897/vz.74.e115242" ext-link-type="doi">https://doi.org/10.3897/vz.74.e115242</ext-link>), published 8 March 2024.</p> <p>The authors have failed so far to provide a valid research permit allowing the capture of <tp:taxon-name><tp:taxon-name-part taxon-name-part-type="family" reg="Ctenomyidae">Ctenomyidae</tp:taxon-name-part></tp:taxon-name> rodents or the sacrifice of specimens of any species. Readers are advised that further consequences are pending if this issue will not be resolved retroactively and that the article might be ultimately retracted.</p> <p>This Editorial Expression of Concern bears the Digital Object Identifier <ext-link xlink:href="10.3897/vz.74.e144189" ext-link-type="doi">https://doi.org/10.3897/vz.74.e144189</ext-link>.</p> <p>Uwe Fritz</p> <p>Editor-in-Chief, Vertebrate Zoology</p> </sec> </body> </article>