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Description
Finally, a proper ganoid scale! This one is larger than usual, but still 1-2mm long. It's upside down, showing a bone and dentin core. Ganoin is present on the edges, which I will show later. This may be a flank scale, and it is without a doubt palaeonisciform. 4x.

Description
Finally, a proper ganoid scale! This one is larger than usual, but still 1-2mm long. It's upside down, showing a bone and dentin core. Ganoin is present on the edges, which I will show later. This may be a flank scale, and it is without a doubt palaeonisciform. 4x.