Sharks with broad flat bodies and winglike pectoral fins but that swim the way sharks do WordNet 3.0 & Open English WordNet

The angelsharks are a group of sharks in the genus Squatina of the family Squatinidae. Wikipedia

Squatina squatina, the angelshark or monkfish, is a species of shark in the family Squatinidae, that were once widespread in the coastal waters of the northeastern Atlantic Ocean. Wikipedia

A shark with an unusually flattened body Wikipedia Disambiguation

Species of fish Wikidata

A member of the unusual genus Squatina of sharks with flattened bodies and broad pectoral fins resembling skates or rays. There are approximately 16 known species, which are the only members of their taxonomic genus, family and order. They occur worldwide in temperate and tropical seas. Wiktionary

A member of the unusual genus Squatina of sharks. Wiktionary (translation)

Angel sharks of the genus Squatina. Wiktionary