''Argoubia'' is an extinct

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of devil ray from the

Paleogene period The Paleogene ( ; also spelled Palaeogene or Palæogene; informally Lower Tertiary or Early Tertiary) is a geologic period and system that spans 43 million years from the end of the Cretaceous Period million years ago ( Mya) to the beginning o ...

. It is named for the town of El Argoub, Morocco. The type species, ''A. barbei'', is from the

Priabonian The Priabonian is, in the ICS's geologic timescale, the latest age or the upper stage of the Eocene Epoch or Series. It spans the time between . The Priabonian is preceded by the Bartonian and is followed by the Rupelian, the lowest stage of t ...

-aged Samlat formation of

Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to ...

. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

honors Mr. Gérard Barb who helped collect the first specimens of this species. ''A. arnoldmülleri'' is a second species from the middle

Oligocene The Oligocene ( ) is a geologic epoch of the Paleogene Period and extends from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that define the epoch are well identified but the ...

Böhlen Formation Böhlen () is a town in Saxony, Germany, south of Leipzig. Its main features are a small airport and a power-plant. It is located in the newly built Neuseenland, the lakes created in the former open-pit mining areas. History The first docume ...

of the

Zwenkau Zwenkau is a town in the district of Leipzig, in Saxony, Germany. Situated between the White Elster and Pleiße rivers, it nestles in the Leipzig Bay and includes parts of the conservation area ''Elsteraue'' and ''Central Germany's Street of Li ...

lignite Lignite, often referred to as brown coal, is a soft, brown, combustible, sedimentary rock formed from naturally compressed peat. It has a carbon content around 25–35%, and is considered the lowest rank of coal due to its relatively low heat ...

mines of

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

. It is named for Dr. Arnold Müller,

curator A curator (from la, cura, meaning "to take care") is a manager or overseer. When working with cultural organizations, a curator is typically a "collections curator" or an "exhibitions curator", and has multifaceted tasks dependent on the parti ...

of Palaeontological and Geological collections at Leipzig University.Leder, R. M. (2015). Fossile Reste von Selachiern und Chimaeren aus dem Muschelschluff und Phosphoritknollenhorizont von Zwenkau bei Leipzig Fossil remains of selachiens and chimaera from the Muschelschluff and Phosphoritknollenhorizont.

References

Myliobatiformes Prehistoric cartilaginous fish genera {{paleo-cartilaginous-fish-stub