Acanthodiacrodium heterospinosum
- Citations total:
- 2
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| original | Middle Ordovician | Finland | Tynni,R. Ordovician hystrichospheres and chitinozoans in limestone from the Bothnian Sea. | 1975 | |
| details | Middle Ordovician | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |