Extinct marine bony fish (†Gyrodus hexagonus)

Superdomain: Neomura

Domain: Eukaryota

Clade: Amorphea

(unranked): Obazoa

(unranked): Opisthokonta

(unranked) Holozoa

(unranked) Filozoa

Clade: Choanozoa

Kingdom: Animalia

Subkingdom: Eumetazoa

Clade: ParaHoxozoa

Clade: Bilateria

Clade: Nephrozoa

Superphylum: Deuterostomia

Phylum: Chordata

Clade: Olfactores

Subphylum: Vertebrata

Infraphylum: Gnathostomata

Superclass: Osteichthyes

Class: Actinopterygii

(unranked): Actinopteri

Subclass: Neopterygii

Order: †Pycnodontiformes

Family: †Pycnodontidae

Genus: †Gyrodus

Species: †G. hexagonus

Done