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Heterosphaeridium
General
Description
Stratigraphy
Literature
Notes
Species
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Name
Publication
araneosum
Fauconnier, D and Masure, E. (2004)
bellii
Radmacher, W., Tyszka, J. and Mangerud, G., (2014b)
conjunctum
Cookson, I.C. and Eisenack, A. (1968)
cordiforme
Yun Hyesu (1981)
difficile
Ioannides, N.S. (1986)
galiciae
Masure, E. (1988c)
heteracanthum
Eisenack, A. and Kjellström, G. (1971a)
heteracanthum ssp. heteracanthum
()
heteracanthum ssp. sparsiprocessum
Eisenack, A. and Kjellström, G. (1971a)
latoaculeus
Prince, I.M., Jarvis, I., and Tocher, B.A. (1999)
multifurcatum
Fauconnier, D and Masure, E. (2004)
spinaconjunctum
Yun Hyesu (1981)
verdieri
Yun Hyesu (1981)
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