IRMNG name details
original description
Harlan, R. (1825). Fauna Americana: being a description of the mammiferous animals inhabiting North America. Anthony Finley. Philadelphia, Pennsylvania. , available online at https://books.google.com.au/books?hl=en&lr=&id=coo-AAAAcAAJ page(s): 201; note: as "Megalonix, Jefferson" (misspelling), pp. 201, 202, then "Megalonyx" (correct spelling) elsewhere and in Index [details]
basis of record
McKenna, M. C.; Bell, S. K. (1997). Classification of Mammals Above the Species Level. Columbia University Press, New York, 631 pp. [details]
source of synonymy
Babcock, L. E. (2024). Nomenclatural history of Megalonyx Jefferson, 1799 (Mammalia, Xenarthra, Pilosa, Megalonychidae). <em>ZooKeys.</em> 1195: 297-308., available online at https://doi.org/10.3897/zookeys.1195.117999 [details]
Unreviewed
Taxonomic remark McKenna & Bell, 1997 quote a statement by Simpson, 1945 to the effect that the name "Megalonyx Jefferson, 1799" is a "non-existent name" but that the name is available from Harlan, 1825. However there is no supporting evidence for this statement and there is no internal or external evidence for the unavailability of Jefferson's name, which is accordingly treated as accepted in IRMNG (confirmation in Babcock, 2024), with this instance a later usage (noting as well that Harlan ascribes the name to Jefferson, despite misspelling it ("Megalonix") in several key places). [details]
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