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Emmetrocysta
General
Description
Stratigraphy
Literature
Notes
Species
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Name
Original Description
cheleusis
Riding, J.B. and Helby, R. (2001g)
denticulata
He Chengquan and Li Peng (1981)
fibrospinosa
Davey, R.J. and Williams, G.L. (1966b)
sarjeantii
Gitmez, G.U. (1970)
urnaformis
Cookson, I.C. (1953)
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