| Reference no. | Zullo, V.A. and L. Marincovich Jr., 1990 |
| Ecosystem | Cold Temperate Northeast Pacific |
| Status | native |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | Known from the middle and upper Miocene, Unga Conglomerate Member and unnamed upper member, Bear Lake Formation. |