|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Rodentia - Ischyromyidae
It was synonymized subjectively with Plesiarctomys by Cope (1881); it was synonymized subjectively with Paramys by Roger (1896) and Hay (1902); it was reranked as Paramys (Pseudotomus) by Matthew (1910).
It was assigned to Paramys by Matthew (1910); to Manitshinae by Wood (1962); to Ischyromyidae by Cope (1872), Wilson (1940) and McKenna and Bell (1997); and to Manitshini by Korth (1985) and Dunn and Rasmussen (2007).
|Year||Name and author|
|1910||Paramys (Ischyrotomus) Matthew|
|1910||Paramys (Pseudotomus) Matthew|
|1919||Ischyrotomus Matthew and Gidley|
|1919||Ischyrotomus Peterson p. 63|
|1997||Ischyrotomus McKenna and Bell|
|1997||Pseudotomus McKenna and Bell|
|2007||Pseudotomus Dunn and Rasmussen p. 988|
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.