| Citation | Kaas, P. and R.A. van Belle, 1985 Monograph of the Living chitons (Mollusca: Polyplacophora). Vol.1. Order Neoloricata: Lepidopleurina. E.J. Brill publishers, Leiden. 240 p. |
| Ref. | 1875 Kaas, P. and R.A. van Belle, 1985 |
| Page | 185-187 |
| Named Used as Valid | Oldroydia percrassa |
| Locality | |
| Distribution | USA and Mexico. |