Author:
Downie,C.;Sarjeant,W.A.S.
Year:
1963
Title:
On the interpretation and status of some Hystrichosphere genera.
Reference:
Downie,C. et al. (1963) On the interpretation and status of some Hystrichosphere genera. Palaeontology Vol. 6 # 1 P. 83- 96
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Genus Species Country(Region) From To
Areoligera Areoligera danica W.Germany(Schleswig) Danian
Baltisphaeridium Baltisphaeridium aculeatum USSR(Pre-Baltic) Early Ordovician
Baltisphaeridium Baltisphaeridium alloiteauii Canada Middle Devonian
Baltisphaeridium Baltisphaeridium annulatum USSR(Pre-Baltic) Early Ordovician
Baltisphaeridium Baltisphaeridium apiculatum USSR(Pre-Baltic) Early Ordovician
Baltisphaeridium Baltisphaeridium armatum France(Paris Basin) Late Senonian
Baltisphaeridium Baltisphaeridium arrectum USSR(Pre-Baltic) Early Ordovician Middle Ordovician
Baltisphaeridium Baltisphaeridium asteroideum USSR(Georgian SSR) Late Cretaceous
Baltisphaeridium Baltisphaeridium biformoides Nd Mesozoic Cenozoic
Baltisphaeridium Baltisphaeridium bimarginatum USSR(Pre-Baltic) Early Ordovician
Baltisphaeridium Baltisphaeridium bohemicum Czechoslovakia Silurian
Baltisphaeridium Baltisphaeridium breviciliatum Canada(Alberta) Late Devonian
Baltisphaeridium Baltisphaeridium brevifurcatum Baltic Late Llandoverian
Baltisphaeridium Baltisphaeridium brevispinosum Nd Paleozoic
Baltisphaeridium Baltisphaeridium brevispinosum Nd Paleozoic
Baltisphaeridium Baltisphaeridium brevispinosum Nd Paleozoic
Baltisphaeridium Baltisphaeridium brevispinosum Nd Paleozoic