| Eomyrus | |
|---|---|
| Scientific classification | |
| Kingdom: | |
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| Genus: | Eomyrus |
Eomyrus is an extinct genus of prehistoric bony fish that lived from the early to middle Eocene. [1]
The Eocene Epoch, lasting from 56 to 33.9 million years ago, is a major division of the geologic timescale and the second epoch of the Paleogene Period in the Cenozoic Era. The Eocene spans the time from the end of the Paleocene Epoch to the beginning of the Oligocene Epoch. The start of the Eocene is marked by a brief period in which the concentration of the carbon isotope 13C in the atmosphere was exceptionally low in comparison with the more common isotope 12C. The end is set at a major extinction event called the Grande Coupure or the Eocene–Oligocene extinction event, which may be related to the impact of one or more large bolides in Siberia and in what is now Chesapeake Bay. As with other geologic periods, the strata that define the start and end of the epoch are well identified, though their exact dates are slightly uncertain.
Watsonulus is an extinct genus of prehistoric bony fish that lived during the Early Triassic epoch.
Thyrsocles is an extinct genus of prehistoric bony fish that lived during the Upper Miocene subepoch.
Voltaconger is an extinct genus of prehistoric bony fish that lived from the early to middle Eocene.
Callopterus is an extinct genus of prehistoric bony fish that lived during the early Toarcian stage of the Early Jurassic epoch.
Muranjilepis is an extinct genus of prehistoric sarcopterygians or lobe-finned fish.
Aglyptorhynchus is an extinct genus of prehistoric bony fish.
Cylindracanthus is an extinct genus of Cretaceous ray-finned fish.
Sphyraenodus is an extinct genus of prehistoric bony fish.
Gyronchus is an extinct genus of prehistoric ray-finned fish from the Jurassic.
Gyrolepis is an extinct genus of prehistoric bony fish.
Eotrigonodon is an extinct genus of prehistoric bony fish.
Eosemionotus is an extinct genus of prehistoric bony fish.
Egertonia is an extinct genus of prehistoric bony fish. The earliest occurrences of the genus in the fossil record are from the Late Cretaceous of Madagascar and India.
Graphiuricthys is an extinct genus of prehistoric bony fish.
Litoptychius is an extinct genus of prehistoric bony fish.
Notagogus is an extinct genus of prehistoric bony fish. They can be found in the Solnhofen Plattenkalk.
Macrosemius is an extinct genus of prehistoric bony fish.
Paralbula is an extinct genus of prehistoric bony fish. They can be found in the Hell Creek Formation, in Montana, United States.
Pleuropholis is an extinct genus of prehistoric bony fish.
Platysiagum is an extinct genus of prehistoric bony fish.
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