EntityQ1179385· pop 20· linked from 407 articlesMoscovianSign in to savesecond stage and age of the Pennsylvanian subsystem and subperiod; fifth age of the Carboniferous system and periodConnectionsgeologic time scaleEntityyearEntityDevonianEntityOrdovicianEntityPennsylvanianEntityViseanEntityBashkirianEntitySerpukhovianEntityTournaisianEntityFusulinidaEntityUnited StatesCountryRussiaCountryChinaCountryMoscowCityEastern EuropeEntityUral MountainsEntityPodolskEntitygenusEntitymoscoviumEntityGuizhouEntityCategoriesGeological agesMoscovian agePennsylvanian geochronology