| Common Name | Galgalacgac |
| Language | Ilokano |
| Type | Vernacular |
| Official Trade Name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Country | Philippines |
| Locality | Ilocos Province, Luzon |
| Ref. | Zaneveld, J.S., 1959 |
| Life Stage | juveniles and adults |
| Sex | N.A. |
| Core | |
| 1st Modifier | |
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| Remarks |