The starry smoothhound is closely related to the smoothhound and resembles it closely. The lower lobe on the tail is larger than its relative and the denticles are broad with grooves along their length.
The porbeagle shark is a round bodied, chunky member of the shark family. It has five gills and comparatively large front dorsal fin. The small second dorsal fin is situated immediately above the similar anal fin.
This small member of the shark family has a long, low tail fin the lower lobe of which is under developed. The two dorsal fins are situated towards the tail and the first of these starts behind the base of the pelvic fin.
The black-mouthed dogfish is a small member of the shark family and has the typical shark shape. It has two small, equally sized dorsal fins and a large upper lobe to the tail fin.