''Merkurosaurus'' is an

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

lizards Lizard is the common name used for all squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The ...

from the

Shinisauria Shinisauria is a clade or evolutionary grouping of anguimorph lizards that includes the living Chinese crocodile lizard ''Shinisaurus'' and several of its closest extinct relatives. Shinisauria was named in 2008 by Jack Lee Conrad as a stem-bas ...

that is known from the

Late Oligocene The Chattian is, in the geologic timescale The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the pro ...

of Germany, collected in 1999, and the

Early Miocene The Early Miocene (also known as Lower Miocene) is a sub-epoch of the Miocene epoch (geology), Epoch made up of two faunal stage, stages: the Aquitanian age, Aquitanian and Burdigalian stages. The sub-epoch lasted from 23.03 ± 0.05 annum, Ma to ...

Most Formation of the

Czech Republic The Czech Republic, also known as Czechia, and historically known as Bohemia, is a landlocked country in Central Europe. The country is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the south ...

(west

Bohemia Bohemia ( ; ; ) is the westernmost and largest historical region of the Czech Republic. In a narrow, geographic sense, it roughly encompasses the territories of present-day Czechia that fall within the Elbe River's drainage basin, but historic ...

) and the Wiesbaden Formation

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

of (

Amöneburg Amöneburg () is a town in the Marburg-Biedenkopf district in Hesse, Germany. It lies on a mountain and is built around the castle of the same name, ''Burg Amöneburg''. Geography Location Amöneburg lies on a basalt cone that can be seen fr ...

). A single species, ''Merkurosaurus ornatus'', is known and was named and described by Jozef Klembara in 2008 based on the

holotype A holotype (Latin: ''holotypus'') is a single physical example (or illustration) of an organism used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of s ...

Pb 02045 and other referred specimens. It was initially only known from deposits in the Czech Republic but remains found in Germany were eventually attributed to the genus in 2015.A. Cernansky, J. C. Rage, and J. Klembara. (2015). The Early Miocene squamates of Amöneburg (Germany): the first stages of modern squamates in Europe. ''Journal of Systematic Palaeontology'' 13(2):97-128

References

† A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species or languages). It is one of the mo ...

Fossil taxa described in 2008 Lizard genera Oligocene genera Miocene genera {{paleo-lizard-stub