Urochitina urna
- Citations total:
- 3
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| details | Lochkovian | Pragian | Canada(Nova Scotia) | Bouyx,E. et al. Biostratigraphy and paleobiogeography of the Silurian-Devonian the Maguma Zone, Nova Scotia, Canada. | 1997 |
| details | Pridolian | Czechoslovakia | Paris,F. et al. A revised chitinozoan classification | 1999 | |
| details | Late Ludlovian | Early Pridolian | Libya | Le H©riss©,A. Paleoecology, biostratigraphy and biogeography of late Silurian to early Devonian acritarchs and prasinophycean phycomata in well A161, Western Libya, North Africa | 2002 |