Taxonomy:
Geological Range:
Last occurrence (top): within (-Ma, top in "Holocene" stage). Data source:
First occurrence (base): within (-Ma, base in stage). Data source:
Plot of occurrence data: Parent: Heliosphaeridium
Vanguestaine, M. (1974). Especes zonales d'Acritarches du Cambro-Tremadocien de Belgique et de l'Ardenne francaise. Translated Title: Zone species of acritarchs from the Cambro-Tremadocian of Belgium and the French Ardennes. Review of Palaeobotany and Palynology. 18: 63-82. gsReferences:
Acritax - Acritax_Camb - Heliosphaeridium lanceolatum by: Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 11-12-2019
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