Previous articleNext article FreeGeneral NotesGeology and PalaeontologyPDFPDF PLUS Add to favoritesDownload CitationTrack CitationsPermissionsReprints Share onFacebookTwitterLinkedInRedditEmail SectionsMoreDetailsFiguresReferencesCited by The American Naturalist Volume 16, Number 5May, 1882 Published for The American Society of Naturalists Article DOIhttps://doi.org/10.1086/273092 Views: 12Total views on this site Citations: 1Citations are reported from Crossref PDF download Crossref reports the following articles citing this article:Spencer G. Lucas, Thomas E. Williamson, Michael D. Middleton Catopsalis (Mammalia: Multituberculata) from the Paleocene of New Mexico and Utah: Taxonomy and biochronological significance, Journal of Paleontology 71, no.33 (Jul 2015): 484–493.https://doi.org/10.1017/S0022336000039500