Squalidae, more commonly known as dogfish, dog sharks, or spiny dogfish, are one of several families of sharks categorized under Squaliformes, making it the second largest order of sharks, numbering 119 species across 7 families. Wikipedia
Phylum: Chordata
Scientific name: Squalidae
Class: Chondrichthyes
Order: Squaliformes
Domain: Eukaryota
Family: Squalidae; Bonaparte, 1834
Lower classifications