Synesuchus is an extinct genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of bystrowianid reptiliomorph from middle Triassic

Triassic

The Triassic is a geologic period and system that extends from about 250 to 200 Mya . As the first period of the Mesozoic Era, the Triassic follows the Permian and is followed by the Jurassic. Both the start and end of the Triassic are marked by major extinction events...

 (Ladinian

Ladinian

The Ladinian is a stage and age in the Middle Triassic series or epoch. It spans the time between 237 ± 2 Ma and 228 ± 2 Ma...

 stage) deposits of Komi Republic

Komi Republic

The Komi Republic is a federal subject of Russia .-Geography:The republic is situated to the west of the Ural mountains, in the north-east of the East European Plain...

, northern Fore-Ural

Ural (region)

Ural is a geographical region located around the Ural Mountains, between the East European and West Siberian plains. It extends approximately from north to south, from the Arctic Ocean to the bend of Ural River near Orsk city. The boundary between Europe and Asia runs along the eastern side of...

 of Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. It is known from the holotype

Holotype

A holotype is a single physical example of an organism, known to have been used when the species was formally described. It is either the single such physical example or one of several such, but explicitly designated as the holotype...

 PIN 4466/12, which consists of armor scute and from the referred materials PIN 4466/10, 4466/11, 4466/13 and 4466/14. It was found in the Nadkrasnokamenskaya Formation of the Bukobay Horizon. It was first named by I.V. Novikov and M.A. Shishkin in 2000

2000 in paleontology

-Newly named insects:-Newly named placoderms:-Amphibians:-Ichthyosaurs:-Newly named crurotarsans:-Newly named dinosaurs:Data courtesy of George Olshevsky's dinosaur genera list and Dr...

 and the type species

Type species

In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...

 is Synesuchus muravjevi. The generic name comes from Syne, from Bolshaya Synya River, and “crocodile” (suchos in Greek

Greek language

Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

), and the specific name honors the Russian geologist Ivan Stepanovich Murav'ev.