Gorgonisphaeridium amplum
- Citations total:
- 3
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| original | Late Devonian | Indiana | Wicander,E.R. et al. Organic-walled microphytoplankton and its stratigraphic significance from the Upper Devonian Antrim Shale, Indiana USA. | 1977 | |
| details | Late Frasnian | Early Famennian | Indiana | Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. | 1983 |
| details | Late Devonian | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |