Author:
Hall,J.W.;Stidd,B.M.
Year:
1971
Title:
Ontogeny of Vesicaspora, a Late Pennsylvanian pollen grain.
Reference:
Hall,J.W. et al. (1971) Ontogeny of Vesicaspora, a Late Pennsylvanian pollen grain. Palaeontology Vol. 14 # 3 P. 431- 436
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Genus Species Country(Region) From To
Callandrium Callandrium callistophytoides Illinois Late Pennsylvanian
Vesicaspora Vesicaspora Illinois Late Pennsylvanian