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Author:
Deflandre,G.
Year:
1947
Title:
The problem of Hystrichospheres.
Foreign title:
Le probleme des Hystrichospheres.
Reference:
Deflandre,G. (1947) The problem of Hystrichospheres. [ Le probleme des Hystrichospheres. ] Institut Oceanographique,(Monaco),Bulletin Vol. 44 # 918 P. 1- 23
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Genus Species Country(Region) From To
Hystrichosphaeridium Hystrichosphaeridium brevispinosum Baltic Silurian
Hystrichosphaeridium Hystrichosphaeridium ehrenbergii sp. nov. France(Calvados) Oxfordian
Hystrichosphaeridium Hystrichosphaeridium longispinosum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium brevispinosum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium ramusculosum Nd Silurian
Micrhystridium Micrhystridium stellatum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium geometricum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium staurasteroides Nd Silurian
Micrhystridium Micrhystridium parinconspicuum Nd Silurian
Micrhystridium Micrhystridium nannacanthum Nd Silurian
Micrhystridium Micrhystridium imitatum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium vestitum Nd Oxfordian
Hystrichosphaeridium Hystrichosphaeridium stimuliferum Nd Oxfordian
Hystrichosphaeridium Hystrichosphaeridium salpingophorum Nd Oxfordian
Hystrichosphaeridium Hystrichosphaeridium salpingophorum Nd Senonian
Hystrichosphaeridium Hystrichosphaeridium tubiferum Nd Senonian
Hystrichosphaeridium Hystrichosphaeridium xanthiopyxides Nd Senonian