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Pentagonum
General
Description
Stratigraphy
Literature
Notes
Species
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Name
Original Description
conicoides
Vozzhennikova, T.F. (1963)
granulatum
Oleinik, E.S. (1975)
huanghuaense
Jiabo (1978)
marginatum
Vozzhennikova, T.F. (1967)
sibiricum
Vozzhennikova, T.F. (1967)
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