Lochkovian

E147847

The Lochkovian is the earliest age of the Devonian Period, marking a time of significant diversification in early fishes and the continued development of terrestrial ecosystems.

All labels observed (1)

Label Occurrences
Lochkovian canonical 2

How this entity was disambiguated

Statements (43)

Predicate Object
instanceOf chronostratigraphic stage
geologic age
associatedWith earlyArmoredFishes
earlyJawedFishes
earlyTerrestrialPlants
biostratigraphicMarkers brachiopods
conodonts
graptolites
characterizedBy continuedDevelopmentOfTerrestrialEcosystems
diversificationOfEarlyFishes
climate generallyWarm
contains Lochkovian Epoch
surface form: Lochkovian Stage
correlatesWith Early Devonian
endTime_ma 410.8
fallsWithin Phanerozoic Eon
follows Pridoli Epoch
surface form: Pridoli

Silurian
surface form: Silurian Period
GSSPApprovalYear 1972
GSSPApprovedBy International Union of Geological Sciences
GSSPLocation Klonk, near Suchomasty, Czech Republic
includes continentalSedimentarySuccessions
marineSedimentarySuccessions
isEarliestAgeOf Devonian Period
lowerBoundaryDefinedAt Klonk Section
lowerBoundaryDefinedBy firstAppearanceOfMonograptusUniformis
namedAfter Lochkov
Lochkov, Czech Republic
overlies PridoliSeries
partOf Devonian Period
Paleozoic Era
positionInDevonian earliest
positionInPaleozoic earlyPaleozoicLatePart
precedes Pragian
rank age
stage
startTime_ma 419.2
stratotypeRegion Czech Republic
timeScaleStandard International Commission on Stratigraphy
underlies PragianStage
upperBoundaryDefinedBy firstAppearanceOfConodontEognathodusSulcatus
firstAppearanceOfConodontLatericriodusSteinachensisMorphBeta
usedIn chronostratigraphy
geologicTimeScale

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Early Devonian containsStage Lochkovian
Devonian Period containsAge Lochkovian