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HEAD OF A SQUALE (PRIONACE GLAUCA): SERIATED CT‐SCAN

The head of a squale (Prionace glauca) from Oléron island was well preserved by freezing after fishing. It was CT‐scan in the frontal plane with joint thin slices by a Somaton sensitive Siemens (64 elements) CT‐scan. The horizontal and sagittal plane slices were reconstructed from the frontal ones. The results were tremendous not only for the teeth but mainly for the nervous apparatus; they are discussed.