Fish (43 c, 513 e) 

Jawless fish (41 e) 

Placoderms (30 e) 

(See Level 2A)

(See Level 2B)

Sharks (2 c, 103 e) 

Rays and skates (70 e) 

Chimaeras (fish) (20 e) 

Lobe-finned fishes (40 e) 

Polypteridae

1. bichir
2. reedfish

Acipenseriform fish‎ (33 e) 

Holostean fish (26 e) 

(See Level 3)

Elopomorph fish (1 c, 22 e) 

Osteoglossomorph fish (29 e) 

(See Level 4A)

(See Level 4B)

Otocephalan fish‎ (6 c, 43 e) 

Herrings (59 e) 

Cyprinids (2 c, 58 e)  Carps (30 e) 

Catostomidae

Gyrinocheilidae

Loaches (22 e) 

Characins‎ (56 e) 

Catfish (105 e) 

1. Lepidogalaxiidae

Argentiniform fish‎ (16 e) 

1. Galaxiidae

Salmonids (1 c, 107 e) 

Pikes (fish) (17 e) 

Smelts (29 e) 

1. Gonostomatidae (includes Diplophidae
2. Sternoptychidae

1. Phosichthyidae
2. Stomiidae

1. Ateleopodidae

1. Aulopiformes

1. Myctophiformes

(See Level 5)

Lampriform fish (21 e) 

Gadiforms‎ (100 e) 

Berycoidei

Stephanoberycoidei

(See Level 6)

Gobies (35 e) 

Scombroids (91 e) 

Syngnathiform fish (40 e) 

Anabantoidei

Labyrinth fish (19 e) 

Channoidei

Jackfish (69 e) 

Flatfish (63 e) 

1. acanthoclinid
2. plesiopid

Cichlids (39 e) 

Blennies‎ (28 e) 

Atherinomorpha

Atheriniform fish (24 e) 

Beloniform fish (41 e) 

Toothcarps (49 e) 

Wrasses (44 e) 

Sunfish (36 e) 

Kyphosid fish (21 e) 

Serranids (37 e) 

Perch and darters (38 e) 

Scorpaeniform fish (1 c, 121 e) 

Anoplopomatales

Zoarcales

Zoarcoid fish (38 e) 

Gasterosteales

Gasterosteiform fish (21 e) 

Zaniolepidales

Hexagrammales

Cottales

Croakers (46 e) 

Acanthuroid fish (27 e) 

Snappers (22 e) 

Sparids (52 e) 

Anglerfish (34 e) 

Tetraodontiforms (70 e) 

Fish (43 c, 513 e)