Umbonatisporites rarisetosus
- Citations total:
- 3
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| details | Middle Tournaisian | Late Tournaisian | Belgium | Higgs,K.T. Taxonomy and systematic study of some Tournasian (Hastarian) spores from Belgium | 1996 |
| details | Tournaisian | USSR(Belorussian SSR) | Higgs,K.T. Taxonomy and systematic study of some Tournasian (Hastarian) spores from Belgium | 1996 | |
| details | Late Famennian | Greenland | Marshall,J.E.A. et al. East Greenland tetrapods are Devonian in age. | 1999 |