Author:
Vanguestaine,M.
Year:
1986
Title:
Late Devonian and Carboniferous acritarch stratigraphy and paleogeography
Reference:
Vanguestaine,M. (1986) Late Devonian and Carboniferous acritarch stratigraphy and paleogeography Annales de la Soci©t© G©ologique de Belgique Vol. 109 # 1 P. 93- 102
Google Academy:
try to search by title in english
Genus Species Country(Region) From To
Umbellasphaeridium Umbellasphaeridium Brazil Late Devonian
Umbellasphaeridium Umbellasphaeridium Bolivia Late Devonian
Umbellasphaeridium Umbellasphaeridium Peru Late Devonian
Umbellasphaeridium Umbellasphaeridium Ghana Late Devonian
Umbellasphaeridium Umbellasphaeridium Ohio Strunian
Umbellasphaeridium Umbellasphaeridium Tennessee Strunian
Umbellasphaeridium Umbellasphaeridium Belgium Famennian
Umbellasphaeridium Umbellasphaeridium Ohio Strunian
Umbellasphaeridium Umbellasphaeridium Michigan Strunian
Umbellasphaeridium Umbellasphaeridium Canada(Ontario) Strunian
Umbellasphaeridium Umbellasphaeridium deflandrei Algeria Frasnian Strunian
Umbellasphaeridium Umbellasphaeridium saharicum Algeria Famennian Strunian
Unellium Unellium winslowiae Algeria Frasnian Famennian
Visbysphaera Visbysphaera fecunda Belgium Frasnian