Author:
Davey,R.J.;Williams,G.L.
Year:
1966
Title:
The genus Hystrichosphaeridium and its allies. (In: Studies on Mesozoic and Cainozoic Dinoflagellate Cysts. R.J.Davey, C.Downie, W.A.S.Sarjeant and G.L.Williams)
Reference:
Davey,R.J. et al. (1966) The genus Hystrichosphaeridium and its allies. (In: Studies on Mesozoic and Cainozoic Dinoflagellate Cysts. R.J.Davey, C.Downie, W.A.S.Sarjeant and G.L.Williams) British Museum (Natural History) Geology, Bulletin, Supplement # 3 P. 53- 106
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Genus Species Country(Region) From To
Tanyosphaeridium Tanyosphaeridium regulare sp. nov. England(Isle of Wight) Ypresian
Tanyosphaeridium Tanyosphaeridium variecalamum sp. nov. England(Surrey) Cenomanian
Xanthidium Xanthidium tubiferum England(Surrey) Cenomanian
Xanthidium Xanthidium tubiferum Nd Nd