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Hystrichosphaeropsis
General
Description
Stratigraphy
Literature
Notes
Species
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Age range (in million years)
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Name
Publication
arctica
Matsuoka, K. and Bujak, J.P. (1988)
borussica
Sarjeant, W.A.S. (1966b)
complanata
Eisenack, A. (1965)
costae
Bujak, J.P. (1994)
downiei
Fisher, M.J. and Riley, L.A. (1980)
forficata
Slimani, H. (1994)
galeata
Gocht, H. (1976)
irisiae
Gocht, H. (1976)
jubata
May, F.E. (1980)
minimum
Zevenboom, D. (1995)
nuda
Marheinecke, U. (1992)
obscura
Habib, D. (1972)
ovum
Lentin, J.K. and Williams, G.L. (1973)
ovum sensu chateauneuf 1980
Chateauneuf, J.-J. (1980)
perforata
Schioler, P. (1993)
pontiana
Lentin, J.K. and Williams, G.L. (1973)
quasicribrata
Gocht, H. (1976)
rectangularis
Bujak, J.P., Downie, C., Eaton, G.L. and Williams, G.L. (1980a)
somphosa
Warny, S.A. and Wrenn, J.H. (1997)
sp. 1 of heilmann-clausen 1989
Heilmann-Clausen, C. and Costa, L.I. (1989)
tubulata
Marheinecke, U. (1992)
variabilis
Matsuoka, K. and Bujak, J.P. (1988)
wetzelii
Sarjeant, W.A.S. (1966b)
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