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Ammonidium
General
Description
Stratigraphy
Literature
Notes
Species
Year
Author
Title
1970
Lister, T.R.
The acritarchs and chitinozoa from the Wenlock and Ludlow Series of the Ludlow and Millichope areas, Shropshire
1997
Sarjeant, W.A.S. and Vavrdova, M.
Taxonomic reconsideration of Multiplicisphaeridium Staplin, 1961 and other acritarch genera with branching processes.
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