''Kayserops'' is a

trilobite Trilobites (; meaning "three lobes") are extinct marine arthropods that form the class Trilobita. Trilobites form one of the earliest-known groups of arthropods. The first appearance of trilobites in the fossil record defines the base of the At ...

in the order Phacopida (family

Acastidae Acastidae is a family of trilobites in the order Phacopida, suborder Phacopina The Phacopina comprise a suborder of the trilobite order Phacopida. Species belonging to the Phacopina lived from the Lower Ordovician ( Tremadocian) through the end ...

), that existed during the lower

Devonian The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, whe ...

in what is now

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 was described by Delo in 1935, and the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...

is ''Kayserops kochi'', which was originally described under the genus '' Cryphaeus'' by Kayser in 1883. The generic name is derived from the name of the species' author. The type locality was the

Rhenish Massif The Rhenish Massif, Rhine Massif or Rhenish Uplands (german: Rheinisches Schiefergebirge, : 'Rhenish Slate Uplands') is a geologic massif in western Germany, eastern Belgium, Luxembourg and northeastern France. It is drained centrally, south to n ...

.Available Generic Names for Trilobites
P.A. Jell and J.M. Adrain.

References

External links

''Kayserops''
at the

Paleobiology Database The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals, plants, and microorganisms. History The Paleobiology Database (PBDB) originated in the NCEAS-funded Phanerozoic Marine Pale ...

Acastidae Fossil taxa described in 1935 Devonian trilobites of Europe Fossils of Germany {{phacopida-stub