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Downiesphaeridium
General
Description
Stratigraphy
Literature
Notes
Species
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Name
Original Description
flexuosum
Davey, R.J., Downie, C., Sarjeant, W.A.S. and Williams, G.L. (1966)
polyacanthum
Gitmez, G.U. (1970)
spinulastrum
Islam, M.A. (1983b)
bergmannii
Archangelsky, S. (1969a)
bulbum
Yu Jingxian (1989)
polytrichum
Valensi, L. (1947)
sarmentum
Stancliffe, R.P.W. (1991)
tribuliferum
Sarjeant, W.A.S. (1962a)
chems
Below, R. (1982c)
obtusum
Duxbury, S. (2024)
aciculare
Davey, R.J. (1969a)
armatum
Deflandre, G. (1937b)
multispinosum
Singh, Ch. (1964)
iaculigerum
Klement, K.W. (1960)
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