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Heterosphaeridium
General
Description
Stratigraphy
Literature
Notes
Species
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Name
Original Description
bellii
Radmacher, W., Tyszka, J. and Mangerud, G., (2014b)
conjunctum
Cookson, I.C. and Eisenack, A. (1968)
cordiforme
Yun Hyesu (1981)
difficile
Manum, S. and Cookson, I.C. (1964)
galiciae
Masure, E. (1988c)
heteracanthum
Deflandre, G. and Cookson, I.C. (1955)
heteracanthum ssp. heteracanthum
()
heteracanthum ssp. sparsiprocessum
Varma, C.P. and Dangwal, A.K. (1964)
spinaconjunctum
Yun Hyesu (1981)
verdieri
Yun Hyesu (1981)
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