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Perisseiasphaeridium
General
Description
Stratigraphy
Literature
Notes
Species
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Name
Original Description
eisenackii
Davey, R.J. and Williams, G.L. (1969)
ingegerdiae
Nøhr Hansen, H. (1986)
insolitum
Davey, R.J. (1982b)
inusitatum
Stevens, J. and Helby, R. (1987)
pannosum
Davey, R.J. and Williams, G.L. (1966a)
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