Trematosaurus
Encyclopedia
Trematosaurus 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 temnospondyl amphibian
Amphibian
Amphibians , are a class of vertebrate animals including animals such as toads, frogs, caecilians, and salamanders. They are characterized as non-amniote ectothermic tetrapods...

 found in Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 and 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 was first named by Hermann Burmeister in 1849 and the type species is Trematosaurus brauni.

Valid species

  • 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...

    , Trematosaurus brauni (Burmeister, 1849) is known from the middle member of variegated sandstone in the vicinity of Bernburg
    Bernburg
    Bernburg is a town in Saxony-Anhalt, Germany, capital of the district of Salzlandkreis. It is situated on the river Saale, approx. 30 km downstream from Halle. The town is dominated by its huge Renaissance castle featuring a museum as well as a popular, recently updated bear pit in its...

    , Germany
    Germany
    Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

    .
  • T. galae (Novikov, 2010) is known from fragmentary specimens found in Lower Triassic Donskaya Luka locality (Volgograd Region), 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...

    .

Reclassified species

  • T. fuchsi (Seidlitz, 1920) is known from the same stratigraphic level of German Basin, Thuringia
    Thuringia
    The Free State of Thuringia is a state of Germany, located in the central part of the country.It has an area of and 2.29 million inhabitants, making it the sixth smallest by area and the fifth smallest by population of Germany's sixteen states....

    . It is a junior synonym of T. brauni.
  • T. thuringiensis (Werneburg, 1993) is also known from Thuringia
    Thuringia
    The Free State of Thuringia is a state of Germany, located in the central part of the country.It has an area of and 2.29 million inhabitants, making it the sixth smallest by area and the fifth smallest by population of Germany's sixteen states....

    .
  • T. madagascariensis (Lehman, 1966) referred by Schoch & Milner, 2000, to Tertremoides
    Tertremoides
    Tertremoides is an extinct genus of trematosaurian temnospondyl within the family Trematosauridae from Madagascar. It was first named by Lehman, J-P. in 1966 as Trematosaurus madagascariensis but renamed to Tertremoides ambilobensis by Lehman in 1979...

    (Lehman, 1979).
  • South Africa
    South Africa
    The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

    n T. kannemeyeri (Broom, 1909), described based on a skull fragment, most likely belongs to the genus Aphaneramma
    Aphaneramma
    Aphaneramma is an extinct genus of temnospondyl amphibian. It resembled a crocodile and was 60 cm long. Aphanerammas jaws were very long, not unlike the gharial's, and lined with small teeth....

    or a closely related lonchorhynchine
    Lonchorhynchinae
    Lonchorhynchinae is a subfamily of temnospondyl amphibians within the family Trematosauridae.-External links:*...

    .
  • Another South African species, T. sobeyi (Haughton, 1915), was assigned to its own genus Trematosuchus
    Trematosuchus
    Trematosuchus is an extinct genus of trematosaurian temnospondyl within the family Trematosauridae from South African. It was first named by Haughton in 1915 as Trematosaurus sobeyi. It was assigned to its own genus Trematosuchus by Watson in 1919....

    (Watson, 1919).
  • East European trematosaurid remains referred to Trematosaurus in fact belong to the genus Inflectosaurus Shishkin, 1960 (Novikov, 2007).
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