Moscovian (Carboniferous)

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Moscovian
315.2 ± 0.2 – 307.0 ± 0.1 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Paleogeography of the Moscovian, 310 Ma
Chronology
−360 — – −355 — – −350 — – −345 — – −340 — – −335 — – −330 — – −325 — – −320 — – −315 — – −310 — – −305 — – −300 — – Paleozoic D Carboniferous P Mississippian Pennsylvanian LD Early Middle Late Early Mid Late CS Famennian Tournaisian Viséan Serpukhovian Bashkirian Moscovian Kasimovian Gzhelian Asselian     ← Carboniferous Rainforest Collapse ← Mazon Creek Fossils ← End of Romer's Gap ← Start of Romer's Gap Subdivision of the Carboniferous according to the ICS, as of 2023.[1] Vertical axis scale: Millions of years ago
Etymology
Name formality	Formal
Usage information
Celestial body	Earth
Regional usage	Global (ICS)
Time scale(s) used	ICS Time Scale
Definition
Chronological unit	Age
Stratigraphic unit	Stage
Time span formality	Formal
Lower boundary definition	Not formally defined
Lower boundary definition candidates	FAD of the Conodont Idiognathoides postsulcatus or Declinognathodus donetzianus
Lower boundary GSSP candidate section(s)	Southern Ural Mountains Nashui, Luodian County, Guizhou, China
Upper boundary definition	Not formally defined
Upper boundary definition candidates	FAD of the Fusulinid Protriticites or 1 million years older Montiparus montiparus
Upper boundary GSSP candidate section(s)	Southern Ural mountains Southwest USA Nashui, Luodian County, Guizhou, China

The Moscovian is in the ICS geologic timescale a stage or age in the Pennsylvanian, the youngest subsystem of the Carboniferous. The Moscovian age lasted from 315.2 to 307 Ma,^[2] is preceded by the Bashkirian and is followed by the Kasimovian. The Moscovian overlaps with the European regional Westphalian stage and the North American Atokan and Desmoinesian stages.