Lochkovian

The Lochkovian is one of three faunal stages in the Early Devonian Epoch. It lasted from 419.62 ± 1.36 million years ago to 413.02 ± 1.91 million years ago. It marked the beginning of the Devonian Period, and was followed by the Pragian Stage. It is named after the village of Lochkov in the Czech Republic, now part of the city of Prague. The GSSP is located within the Lochkow Formation at the Klonk Section in Prague.

Lochkov is a municipal district (městská část) in Prague, Czech Republic. It has 874 inhabitants as of 2021, and is located in the southwestern part of the city. It is most notable for being the namesake of the Lochkovian stage.