Author:
Sarjeant,W.A.S.
Year:
1961
Title:
Systematophora, Klement and Polystephanosphaera, Sarjeant
Reference:
Sarjeant,W.A.S. (1961) Systematophora, Klement and Polystephanosphaera, Sarjeant Journal of Paleontology Vol. 35 # 5 P. 1094- 1096
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Genus Species Country(Region) From To
Cannosphaeropsis Cannosphaeropsis urnaformis Australia(Victoria) Oligocene
Polystephanephorus Polystephanephorus England(Yorkshire) Early Oxfordian
Polystephanephorus Polystephanephorus calathus England(Yorkshire) Early Oxfordian
Polystephanephorus Polystephanephorus paracalathus England(Dorset) Middle Callovian
Polystephanephorus Polystephanephorus urnaformis Australia(Victoria) Oligocene
Polystephanosphaera Polystephanosphaera calatha England(Yorkshire) Early Oxfordian
Polystephanosphaera Polystephanosphaera paracalathus England(Dorset) Middle Callovian