| Common Name | Bicolor pen shell |
| Language | English |
| Type | Vernacular |
| Official Trade Name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Country | Philippines |
| Locality | Also Ref. 128042. |
| Ref. | Laureta, L.V., 2008 |
| Life Stage | juveniles and adults |
| Sex | females and males |
| Core | color pattern(s) |
| 1st Modifier | color pattern(s) |
| 2nd Modifier | inanimate object |
| Remarks |