Restoration of Acanthostega, model by Elliot Goldfinger 

Ischyodus avitus, chimaeroid (rabbitfish) from the Late Jurassic of Solnhofen, Germany 

Dunkleosteus, Arthrodire, 360 million years old, Late Devonian of Ohio 

Protospinax annectans from the Late Jurassic of Solnhofen, Germany, 150 million years old 

Obaichthys, a primitive gar from the Early Cretaceous of Brazil, 110 million years old 

Eoholocentrum macrocephalum, extinct squirrelfish, L 15 cm, about 57 million years old, Eocene of Monte Bolca, Italy 

Cladoselache fyleri, a shark from the Late Devonian of Ohio, United States, about 375 million years old 

Eastmanosteus calliaspis, an arthrodire, from the front, approximately 375 million years old, length of armor 19 cm, estimated body length 45 cm, Late Devonian, Western Australia 

Gemuendina stuertzi, rhenanid placoderm from the Early Devonian of Hunsruck, Budenbach, Germany (cast), about 400 million years old 

Diplacanthus longispinus, an acanthodian [fish] from the Middle Devonian of Banffshire, Scotland, about 380 million years old, L 15 cm 

Eomyrophis latispinus, primitive eel from the Early Eocene of Monte Bolca, Italy, about 57 million years old, L 24 cm 

Perleidus madagascariensis, primitive extinct relative of neopterygian ray-finned fishes, approximately 225 million years old, Early Triassic of Madagascar 

Fossil Fish, tinca tarsiger, Late Oligocene period 

Pterolepis nitidus, anaspid from the Late Silurian of Rigerike, Norway, about 410 million years old, L 8 cm 

Fossil fish Sacabambaspis Janvieri, an ostracoderm from the Late Ordovician of Bolivia (cast), about 450 million years old 

Saurichthys megacephalus, a streamlined ray-finned fish from the Middle Triassic of Como, Italy (cast), about 225 million years old, L 57 cm 

Arthrodire, 360-million-year-old Dunkleosteus, a predator 

Specimen with examples of Scaumenacia (a lungfish), Eusthenopteron (an extinct relative of tetrapods), Bothriolepis (a placoderm), and Archaeopteris, a fernlike land plant distantly related to modern 

Semionotus agassizii, Late Triassic semiontid of New Jersey, approximately 210 million years old 

Dipterus valenciennesi, extinct lungfish, L 17 cm, approximately 380 million years old, Middle Devonian of Achanarras, Scotland