Grammatorcynus

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Euteleosteomorpha
Subcohors: Neoteleostei
Infracohors: Eurypterygia
Sectio: Ctenosquamata
Subsectio: Acanthomorphata
Divisio/Superordo: Acanthopterygii
Subdivisio: Percomorphaceae
Series: Pelagiaria
Ordo: Scombriformes

Familia: Scombridae
Subfamilia: Scombrinae
Genus: Grammatorcynus

Grammatorcynus is a genus of ray-finned bony fish in the family Scombridae. This genus together with Acanthocybium and Scomberomorus are comprised by the tribe Scomberomorini, commonly known as the Spanish mackerels or seerfishes.[1]

Grammatorcynus comprises two species:

Grammatorcynus bicarinatus (Quoy & Gaimard, 1825), shark mackerel
Grammatorcynus bilineatus (Rüppell, 1836), double-lined mackerel