Serravallian first appearances

Bustards, including floricans and korhaans, are large, terrestrial birds living mainly in dry grassland areas and in steppe regions. They range in length from . They make up the family Otididae (, formerly known as Otidae).

species of fish

Perch is a common name for freshwater fish from the genus Perca, which belongs to the family Percidae of the large order Perciformes. The name comes from , meaning the type species of this genus, the European perch (P. fluviatilis).

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species of fish

thumb|right|Okhotsk atka mackerel (Pleurogrammus azonus)

Gomphotheres are an extinct group of proboscideans related to modern elephants. First appearing in Africa during the Oligocene, they dispersed into Eurasia and North America during the Miocene and arrived in South America during the Pleistocene as part of the Great American Interchange. Gomphotheres are a paraphyletic group ancestral to Elephantidae, which contains modern elephants, as well as Stegodontidae.

The Serravallian is, in the geologic timescale, an age or a stage in the middle Miocene Epoch/Series, which spans the time between 13.82 Ma and 11.63 Ma (million years ago). The Serravallian follows the Langhian and is followed by the Tortonian.

Trichodontidae, the sandfishes, is a small family of ray-finned fishes from the order Perciformes. The species in this family are found in the North Pacific Ocean.

species of amphibian

Myoxocephalus is a genus of marine ray-finned fishes belonging to the family Cottidae, the typical sculpins. They are found in the northern Pacific, Arctic and Atlantic Oceans, with a few species in lakes.

Synthetoceras is an extinct genus of large protoceratid that was endemic to North America during the Late Miocene (12.5-4.7 million years ago), existing for approximately 7.8 million years. Fossils have been recovered from Nebraska and Texas. Two species have been described: S. tricornatus (the type species) and S. davisorum.

Sansanosmilus is an extinct genus of carnivorous mammal of the subfamily, Barbourofelinae and was found in Eurasia and lived during the Miocene from 16 to 11.4 mya, existing for . Including supplementary materials

Artediellus is a genus of marine ray-finned fishes belonging to the family Psychrolutidae, the marine sculpins. Most of the fishes in this genus are found in the northern Pacific Ocean but they also occur in the Arctic and North Atlantic Oceans.

species of fish

Bothragonus is a genus of marine ray-finned fishes belonging to the family Agonidae, the poachers and related fishes. It is the only genus in monotypic subfamily Bothragoninae. These fishes are found in the northern Pacific Ocean.

Setarches is a genus of deep-sea bristly scorpionfishes.