Museum specimens of Heosemys grandis
| catalog number | origin | year | collector | location | remarks |
| CAS 16746 | Singapore | 1908 | J.C. Thompson | California academy of sciences | |
| 1590 | Thailand | Chulalangkorn university, Bhetong, Yala, Thailand | young turtle | ||
| BMNH 67.12.30.66 | Pegu in Myanmar | W.Theobald | British museum of natural history | ||
| BMNH 68.5.11.6 | Pegu in Myanmar | W.Theobald | British museum of natural history | ||
| BMNH 68.5.18.1 | Pegu in Myanmar | W.Theobald | British museum of natural history | ||
| BMNH 1961.174 | Pegu in Myanmar | W.Theobald | British museum of natural history | ||
| BMNH 1887.3.11.8 | Pegu in Myanmar | W.Theobald | British museum of natural history | ||
| BMNH 1947.3.4.7 | Kampuchea | British museum of natural history | syntype | ||
| BMNH 1947.3.4.55 | Thailand/Kampuchea border region | British museum of natural history | syntype | ||
| BMNH 1947.3.4.56 | Thailand/Kampuchea border region | British museum of natural history | maybe syntypical | ||
| BMNH 1920.9.15.6 | Mewong, Thailand/Myanmar border | 1931 | M.Smith | British museum of natural history |