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Taxonomy
Geomys merriami was named by Thomas (1893). It is extant.
It was recombined as Pappogeomys merriami by Russell (1968), Hall (1981); it was recombined as Cratogeomys merriami by Merriam (1895), Nelson and Goldman (1934), DeWalt et al. (1993), Monterrubio et al. (2000).
It was recombined as Pappogeomys merriami by Russell (1968), Hall (1981); it was recombined as Cratogeomys merriami by Merriam (1895), Nelson and Goldman (1934), DeWalt et al. (1993), Monterrubio et al. (2000).