''Clarkeipterus'' is a genus of prehistoric eurypterid classified as part of the family

Dolichopteridae Dolichopteridae is an extinct family of eurypterids that lived in the Silurian and Devonian periods. Description Dolichopterid eurypterids had outer surfaces that were either smooth or with pustules and semilunar scales. The compound eyes were ...

. The genus contains two species, ''C. otisius'' and ''C. testudineus'', both from the

Silurian The Silurian ( ) is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago ( Mya), to the beginning of the Devonian Period, Mya. The Silurian is the shortest period of the Paleozo ...

Bertie Formation The Bertie Group or Bertie Limestone, also referred to as the Bertie Dolomite and the Bertie Formation, is an upper Silurian ( Pridoli, or Cayugan and Ulsterian age in the local chronologies) geologic group and Lagerstätte in southern Ontario ...

of the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

.Kiaeropterus (Eurypterida; Stylonurina) recognized from the Silurian of the Pentland Hills O. ERIK TETLIE1, LYALL I. ANDERSON2 & MARKUS POSCHMANN3

References

Eurypteroidea Silurian arthropods of North America Silurian eurypterids Eurypterids of North America Bertie Formation Fossil taxa described in 1966 {{eurypterid-stub

See also

References