| Citation | Clarke, A.H. Jr. and R.J. Menzies, 1959 Neopilina (Vema) ewingi, a second living species of the Paleozoic Class Monoplacophora. Science, 129(3355):1026-1027. |
| Ref. | 2019 Clarke, A.H. Jr. and R.J. Menzies, 1959 |
| Page | 1026-1027 |
| Named Used as Valid | Neopilina ewingi |
| Locality | |
| Distribution | Peru, Chile. |