Original: Superfamily Geomyoidea Genus †Griphomys incertae sedis Genus †Meliakrouniomys incertae sedis Family †Eomyidae Family †Heliscomyidae Family †Florentiamyidae Family Geomyidae - pocket gophers Family Heteromyidae - kangaroo rats and mice, pocket mice Cladogram showing interrelationships among geomyoid families following Korth et al.
Simplified: Superfamily Geomyoidea Genus †Griphomys incertae sedis Genus †Meliakrouniomys incertae sedis Family †Eomyidae Family †Florentiamyidae Family Geomyidae - pocket gophers Family Heteromyidae - kangaroo rats and mice, pocket mice References McKenna, Malcolm C., and Bell, Susan K. 1997.