Lochkovian

Also known as Lochkovian Stage, Lochkovian Age

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.

Key facts

Geologic timespan.name: Lochkovian
Geologic timespan.color: Lochkovian
Geologic timespan.time_start: 419.62
Geologic timespan.time_start_uncertainty: 1.36
Geologic timespan.time_end: 413.02
Geologic timespan.time_end_uncertainty: 1.91
Geologic timespan.timeline: Devonian
Geologic timespan.name_formality: Formal
Geologic timespan.name_accept_date: 1985
Geologic timespan.celestial_body: earth
Geologic timespan.usage: Global (ICS)
Geologic timespan.timescales_used: ICS Time Scale
Geologic timespan.chrono_unit: Age
Geologic timespan.strat_unit: Stage
Geologic timespan.timespan_formality: Formal
Geologic timespan.lower_boundary_def: FAD of the graptolite Monograptus uniformis
Geologic timespan.lower_gssp_location: Klonk, Prague, Czech Republic
Geologic timespan.lower_gssp_accept_date: 1972