Mandible
Balanus trigonus: oral cone, posterior view; and oral cone, lefft lateral view.
From: Anderson, D. T. 1980. Barnacles - structure, function, development and evolution. Chapman and Hall London..
This image is referenced by the following definitions:
| Labrum | [Anderson, 1980] |
| Mandible | [Anderson, 1980] |
| Mandibular palp | [Anderson, 1980] |
| Maxilla | [Anderson, 1980] |
| Maxillule | [Anderson, 1980] |
| Oral cone | [Anderson, 1980] |
