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About: Callistophytaceae     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPrehistoricPlants, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatCycadsyago:Cycad111600372yago:Gymnosperm111596108yago:LivingThing100004258yago:Object100002684yago:Organism100004475yago:PhysicalEntity100001930yago:Plant100017222yago:Spermatophyte111552386yago:VascularPlant113083586yago:Whole100003553yago:WikicatPrehistoricPlants New Facet based on Instances of this Class

The Callistophytaceae was a family of seed ferns (pteridosperms) from the Carboniferous and Permian periods. They first appeared in late Middle Pennsylvanian (Moscovian) times, 306.5–311.7 million years ago (Ma) in the tropical coal forests of Euramerica, and became an important component of Late Pennsylvanian (Kasimovian-Gzhelian; 299.0–306.5 Ma) vegetation of clastic soils and some peat soils. The best known callistophyte was documented from Late Pennsylvanian coal ball petrifactions in North America.