''Merostomichnites'' is an ichnofossil genus, interpreted as a eurypterid trace. Traces produced by this large eurypterid were described 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 ...

and

Lower Ordovician The Ordovician ( ) is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start of the Silurian Period Mya. The ...

, and has been found in

Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...

and

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...

. The eurypterid trail was found by Hanken and Dr. J. Miller in 1971. The tracks in Norway were likely made by '' Mixopterus kiaeri''.Hanken, N.-M. & Størmer, L. (1975):
The trail of a large Silurian eurypterid
. ''Fossils and Strata'', No. 4, pp. 255-270, Pl. 1 -3.

References

Eurypterida Fossil trackways {{trace-fossil-stub

See also

References