| Author: | Thomas, 1893. |
| Citation: | Ann. Mag. Nat. Hist., ser. 6(12): 270. |
| Common Name: | Giant Pocket Gopher. |
| Type Locality: | Guatemala, Sacatepequez Prov., Dueñas. |
| Distribution: | Honduras to Jalisco (Mexico). |
| Status: | IUCN – Lower Risk (lc). |
| Comments: | Subgenus Orthogeomys. Burt and Stirton (1961) and Hall (1981) included pygacanthus in grandis; Russell (1968a) considered it a distinct species. |
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