Lanarkia
Encyclopedia
Lanarkia is an extinct genus of jawless fish which existed in what is now Scotland
during the upper Silurian
period. It contains the species Lanarkia horrida and Lanarkia spinosa.
Scotland
Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...
during the upper Silurian
Silurian
The Silurian is a geologic period and system that extends from the end of the Ordovician Period, about 443.7 ± 1.5 Mya , to the beginning of the Devonian Period, about 416.0 ± 2.8 Mya . As with other geologic periods, the rock beds that define the period's start and end are well identified, but the...
period. It contains the species Lanarkia horrida and Lanarkia spinosa.