须喉鲛科是喉须鲛亚目的唯一一科。

须喉鲛科下分3个属，如下：

The Parascylliidae, or collared carpet sharks, are a family of sharks. They are only found in shallow waters of the western Pacific.

They are relatively small sharks, with the largest species reaching no more than 91 cm (3.0 ft) in adult length. They have elongated, slender, bodies, cat-like eyes, and barbels behind the chin. They feed on small fish and invertebrates.