![Jirí PESEK | Prof.RNDr. DSc | Charles University in Prague, Prague | CUNI | Department of Geology and Paleontology | Research profile Jirí PESEK | Prof.RNDr. DSc | Charles University in Prague, Prague | CUNI | Department of Geology and Paleontology | Research profile](https://i1.rgstatic.net/ii/profile.image/279473627910145-1443643113065_Q512/Jiri-Pesek.jpg)
Jirí PESEK | Prof.RNDr. DSc | Charles University in Prague, Prague | CUNI | Department of Geology and Paleontology | Research profile
![Hexactinellid (A-E), and lithistid (F-I) sponge spicules. Specimens... | Download Scientific Diagram Hexactinellid (A-E), and lithistid (F-I) sponge spicules. Specimens... | Download Scientific Diagram](https://www.researchgate.net/publication/26492325/figure/fig4/AS:668633554501650@1536426070802/Hexactinellid-A-E-and-lithistid-F-I-sponge-spicules-Specimens-come-from-Tene-west.png)
Hexactinellid (A-E), and lithistid (F-I) sponge spicules. Specimens... | Download Scientific Diagram
![Jirí PESEK | Prof.RNDr. DSc | Charles University in Prague, Prague | CUNI | Department of Geology and Paleontology | Research profile Jirí PESEK | Prof.RNDr. DSc | Charles University in Prague, Prague | CUNI | Department of Geology and Paleontology | Research profile](https://www.researchgate.net/publication/269476726/figure/tbl1/AS:613872964734986@1523370128157/Simplified-stratigraphy-of-the-Barrandian-Ordovi-cian-Based-on-Kraft-pers-comm_Q320.jpg)
Jirí PESEK | Prof.RNDr. DSc | Charles University in Prague, Prague | CUNI | Department of Geology and Paleontology | Research profile
![Map of the Prague Basin showing distribution of Ordovician rocks and... | Download Scientific Diagram Map of the Prague Basin showing distribution of Ordovician rocks and... | Download Scientific Diagram](https://www.researchgate.net/publication/274782793/figure/fig3/AS:391799609806855@1470423714995/Map-of-the-Prague-Basin-showing-distribution-of-Ordovician-rocks-and-localities-from.png)