| Polygyrodus Temporal range: | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | † Pycnodontiformes |
| Genus: | † Polygyrodus White, 1927 |
Polygyrodus is an extinct genus of prehistoric ray-finned fish that lived during the Late Cretaceous epoch. [1] The name is a combination of the Greek words poly (many), gyro (round), and odoy (tooth). [2]
Elopopsis is an extinct genus of prehistoric bony fish that lived from the Cenomanian to Campanian.
Salminops is an extinct genus of prehistoric bony fish that lived during the Cenomanian known from USA and Portugal.
Eubiodectes is an extinct genus of prehistoric bony fish that lived during the Cenomanian.
Enischorhynchus is an extinct genus of prehistoric bony fish that lived during the Turonian of southern Texas.
Prymnetes is an extinct genus of prehistoric bony fish that lived during the Late Cretaceous epoch.
Oligopleurus is an extinct genus of prehistoric bony fish that lived during the Kimmeridgian stage of the Late Jurassic epoch.
Sinocoelacanthus is an extinct genus of prehistoric coelacanth that lived during the Early Triassic epoch.
Procheirichthys is an extinct genus of prehistoric bony fish that lived during the Middle Triassic epoch.
Saurostomus is an extinct genus of prehistoric bony fish that lived during the early Toarcian stage of the Early Jurassic epoch.
Pholidophoretes is an extinct genus of prehistoric ray-finned fish that lived during the Carnian stage of the Late Triassic epoch.
Elpistoichthys is an extinct genus of prehistoric bony fish that lived during the Carnian stage of the Late Triassic epoch.
Naxilepis is an extinct genus of prehistoric bony fish.
Notelops is an extinct genus of prehistoric ray-finned fish.
Orvikuina is an extinct genus of prehistoric bony fish.
Osorioichthys is an extinct genus of prehistoric bony fish.
Pholidoctenus is an extinct genus of prehistoric ray-finned fish.
Pholidolepis is an extinct genus of prehistoric ray-finned fish.
Pholidophoroides is an extinct genus of prehistoric ray-finned fish.
Pholidophoropsis is an extinct genus of prehistoric ray-finned fish.
Parapholidophorus is an extinct genus of prehistoric bony fish.
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