![PDF) The illaenid trilobites Vysocania (Vaněk & Vokáč, 1997) and Octillaenus (barrande, 1846) from the Upper Ordovician of the Czech Republic, Portugal, Spain and Morocco PDF) The illaenid trilobites Vysocania (Vaněk & Vokáč, 1997) and Octillaenus (barrande, 1846) from the Upper Ordovician of the Czech Republic, Portugal, Spain and Morocco](https://www.researchgate.net/profile/Sofia_Pereira4/publication/322492109/figure/fig1/AS:583029510479872@1516016475314/Geographical-location-of-the-localities-A-and-type-localities-for-the-new-taxa-B-C_Q320.jpg)
PDF) The illaenid trilobites Vysocania (Vaněk & Vokáč, 1997) and Octillaenus (barrande, 1846) from the Upper Ordovician of the Czech Republic, Portugal, Spain and Morocco
PART 11. POSTDIAGENETIC FERRUGINIZATION OF PHANEROZOIC (OOLITIC) IRONSTONES: A CONTRIBUTION TO THEIR GENESES
![Unravelling Phanerozoic evolution of radial to rosette trace fossils - Muñoz - 2019 - Lethaia - Wiley Online Library Unravelling Phanerozoic evolution of radial to rosette trace fossils - Muñoz - 2019 - Lethaia - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/297197d5-21da-4be5-a4ef-f7a02aa0ae52/let12317-fig-0008-m.jpg)
Unravelling Phanerozoic evolution of radial to rosette trace fossils - Muñoz - 2019 - Lethaia - Wiley Online Library
![Whole-rock and mineralogical composition of Phanerozoic ooidal ironstones: Comparison and differentiation of types and subtypes - ScienceDirect Whole-rock and mineralogical composition of Phanerozoic ooidal ironstones: Comparison and differentiation of types and subtypes - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S016913680500017X-gr6.gif)