squalidae

This was evidently a balance-fish -- the most voracious of all the squalidae species.

In Search of the Castaways 1873

The fossil squalidae, or sharks, are known only by their teeth, as these are the only parts which are usually preserved.

Report of the North-Carolina Geological Survey. Agriculture of the Eastern Counties: Together with Descriptions of the Fossils of the Marl Beds 1858