Pentanchidae

Galeus is a genus of deepwater catshark, belonging to the family Pentanchidae, commonly known as sawtail catsharks in reference to a distinctive saw-toothed crest of enlarged dermal denticles, found along the upper edges of their caudal fins. They are found in the Atlantic, the western and central Pacific, and the Gulf of California, inhabiting deep waters at or close to the sea floor. Members of this genus are rather small, slim sharks with firm bodies and thick, rough skin. Their heads are usually fairly long and pointed, and have large mouths with well-developed furrows at the corners. They

Apristurus is a genus of catsharks, the family Pentanchidae, the deepwater catsharks. The species in this genus are commonly known as the ghost or demon catsharks.

species of shark (Cephalurus cephalus)

Bythaelurus is a genus of sharks belonging to the family Pentanchidae, the deepwater catsharks. The genus Bythaelurus Compagno 1988 was first described as a subgenus of Halaelurus Gill 1862 based on several morphological characteristics including a soft body with thin skin, a bluntly rounded snout without a pointed, knob-like tip, and eyes not noticeably elevated on the dorsal surface of the head. Members of this genus are generally found in deep water and have more somber body coloration.

Asymbolus is a genus of catsharks in the family Pentanchidae, the deepwater catsharks.

Haploblepharus is a genus of deepwater catsharks, belonging to the family Pentanchidae, containing four species of shysharks. Their common name comes from a distinctive defensive behavior in which the shark curls into a circle and covers its eyes with its tail. The genus is endemic to southern Africa, inhabiting shallow coastal waters. All four species are small, stout-bodied sharks with broad, flattened heads and rounded snouts. They are characterized by very large nostrils with enlarged, triangular flaps of skin that reach the mouth, and deep grooves between the nostrils and the mouth. Shysh

Halaelurus is a genus of catsharks in the family Pentanchidae.

species of shark (Pentanchus profundicolus)

Parmaturus is a genus of deepwater catsharks in the family Pentanchidae. Four species were described in 2007 and another in 2019 with more species likely to be described in the near future.

Pentanchidae, the deepwater catsharks, is a family of sharks belonging to the order Carcharhiniformes. The deepwater catsharks are found in the Atlantic, Indian and Pacific oceans.