| Common name | Oncocéfalo |
| Language | Portuguese |
| Dialect | Greek |
| Type | Vernacular |
| Official trade name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Country | Brazil |
| Locality | |
| Ref. | Nomura, H., 1984 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | morphology |
| 1st modifier | |
| 2nd modifier | |
| Remarks | Probably a combination of 'onco' = tumor and céfalo = head |