Extinct cartilaginous fish (†Chondrenchelys problematica)

Superdomain: Neomura

Domain: Eukaryota

(unranked): Unikonta

(unranked): Obazoa

(unranked): Opisthokonta

(unranked) Holozoa

(unranked) Filozoa

Kingdom: Animalia

Subkingdom: Eumetazoa

Clade: ParaHoxozoa

Clade: Bilateria

Clade: Nephrozoa

Superphylum: Deuterostomia

Phylum: Chordata

Clade: Olfactores

Subphylum: Vertebrata

Infraphylum: Gnathostomata

Clade: Eugnathostomata

Class: Chondrichthyes

Subclass: Holocephali

Superorder: Holocephalimorpha

Order: †Chondrenchelyiformes

Family: †Chondrenchelyidae

Genus: †Chondrenchelys

Species: †C. problematica

Done