Dictionary of Ichthyology
posterials = teeth on the posterior field of the oral disc in lampreys (Petromyzontidae).
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Dictionary of Ichthyology |
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posterials = teeth on the posterior field of the oral disc in lampreys (Petromyzontidae). |
| Petromyzon marinus disc, St-Vallier, Fleuve St-Laurent, Québec, CMNFI 1995-0022, 4.7 cm wide without fimbriae. Photograph by Brian W. Coad, image manipulation by Noel Alfonso. |