The first fishes appeared in the Cambrian. These were also the first vertebrates (animals with a backbone). They are the most diverse group of vertebrates, with more than 23,000 known species living today. The first fishes were still jawless, and had an amazing exoskeleton, consisting of a head shield, and, for some, hard bony plates halfway the body. These armored fishes also did not have scales yet. Fishes developed jaws and scales in the Silurian. Jaws probably evolved from the first row of gill arches. Until then, fishes had a mouth with which they could only suck in food. The development of jaws and teeth was very important for the vertebrates, because it meant they could eat more different kinds of food than jawless animals. A lot of different carnivores arose, which in turn forced their prey to improve the ability to flee. In the Devonian, some fishes left the water and evolved into amphibians. This is one of the greatest events in the history of life on earth as the amphibians in turn evolved into reptiles and these in birds and mammals.

Fish fossils

Jianghanichthys hubeiensis_Eoceno_China
48,00 €
Amphiplaga-brachyptera_Eocene_USA_Fossil fisch
39,00 €
Amphiplaga-brachyptera+Priscacara hypsacantha_Eocene_Green River Formacion_Fosil Lake-Kemmerer_Wyoming (USA)
59,00 €
Prionolepis cataphractus-Cretaceous-Hqel, Lebanon-Fish, Fossil
98,00 €
Cyclobatis major_Cretaceous_Lebanon_Fisch fossil
1080,00 €
Dapalis macrurus_Oligocene_Provence_Fish fossil_Pez fosil
68,00 €
Diplomystus_dentatus_Wyoming_USA_fisch-pez
29,00 €
Diplomystus_dentatus_fosil fisch-eocean-Wyoming_USA
29,00 €
Diplomystus dentatus_eocen-Wyoming_USA
44,00 €
Paralepidotus-Triassic-AustriaParalepidotus-Triassic-Austria
374,00 €
Diplomystus-dentatus-FP331b8Diplomystus dentatus_eocene-Wyoming_USA
119,00 €
Diplomystus_dentatus_fosil fisch-eocean-Wyoming_USA
34,00 €
 Diplomystus dentatus- Eoceno- Wyoming USA
36,00 €
Fish, Fossil, Gasterostueus doryssus, Pliocene, Nevada, USA
38,00 €
Jianghanichthys hubeiensis_Eocen_China
26,00 €
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