32 citations as recorded by crossref.

1. Ordovician chitinozoans and acritarchs from southern and southeastern Turkey F. Paris et al.
2. Acritarchs from the Ordovician–Silurian boundary beds of the Valga-10 drill core, southern Estonia (Baltica) and their stratigraphical and palaeobiogeographical implications A. Delabroye et al.
3. Early Ordovician provincialism in acritarch distribution M. Vavrdová
4. Upper Ordovician microphytoplankton of the Bill's Creek Shale and Stonington Formation, Upper Peninsula of Michigan, U.S.A.: Biostratigraphy and paleogeographic significance R. Wicander & G. Playford
5. Micropalaeontological evidence for the age of the Borrowdale Volcanic Group S. Molyneux
6. The biostratigraphy and palaeogeography of acritarchs, chitinozoans, and cryptospores from the Upper Ordovician Ghelli Formation, Khoshyeilagh region, southern Caspian Sea, Alborz Mountains, northern Iran M. Ghavidel-Syooki
7. Ordovician chitinozoans from the Arctic Platform and the Franklinian miogeosyncline in northern Canada A. Achab & E. Asselin
8. Peri-Gondwanan acritarchs, chitinozoans, and miospores from Paleozoic succession in the High Zagros Mountains, southern Iran: Regional stratigraphic significance and paleogeographic implications M. Ghavidel-Syooki
9. Micropalaeontology of a Moroccan Ordovician deposit yielding soft-bodied organisms showing Ediacara-like preservation J. Samuelsson et al.
10. Cryptospore and trilete spore assemblages from the Late Ordovician (Katian–Hirnantian) Ghelli Formation, Alborz Mountain Range, Northeastern Iran: Palaeophytogeographic and palaeoclimatic implications M. Ghavidel-Syooki
11. Late Ordovician (Katian) chitinozoans from northwest Saudi Arabia: Biostratigraphic and paleoenvironmental implications A. Al-Shawareb et al.
12. The biostratigraphy and palaeobiogeography of Cambrian and Ordovician acritarchs and chitinozoa from the Simeh-Kuh, NW Damghan City, the Alborz Mountains, northern Iran M. Ghavidel-Syooki & M. Piri-Kangarshahi
13. Chitinozoans from the middle Rhuddanian (lower Llandovery, Silurian) ‘hot’ shale in the E1-NC174 core, Murzuq Basin, SW Libya A. Butcher
14. The Ordovician Arkonia-Striatotheca acritarch plexus T. Servais
15. The Ordovician record of North and West Africa: unravelling sea-level variations, Gondwana tectonics, and the glacial impact J. Ghienne et al.
16. Chitinozoan zonation of the Late Ordovician and the Early Silurian of the island of Anticosti, Québec, Canada A. Soufiane & A. Achab
17. A diverse chitinozoan record from the Upper Ordovician (Katian) of the Cincinnati region (Kentucky, USA) C. Esteves et al.
18. Acritarches et prasinophyceae de l'ordovicien moyen (viruen) du sondage de smedsby gård no. 1 (Gotland, Suède) H. Górka
19. Marine and non-marine palynomorphs from the Ordovician sequence of Takche Formation, Spiti, India H. SHABBAR et al.
20. Palynostratigraphy of the lower Palaeozoic, Cambrian to Silurian, sediments of the Hashemite Kingdom of Jordan J. Keegan et al.
21. Cryptospore and trilete spore assemblages from the Late Ordovician (Katian–Hirnantian) Ghelli Formation, Alborz Mountain Range, Northeastern Iran: Palaeophytogeographic and palaeoclimatic implications M. Ghavidel-Syooki
22. Biostratigraphy of the Lower Palaeozoic Haima Supergroup, Oman; its application in sequence stratigraphy and hydrocarbon exploration S. Molyneux et al.
23. Ordovician stratigraphy and benthic community replacements in the eastern Anti-Atlas, Morocco J. Álvaro et al.
24. Middle–Late Ordovician chitinozoans from Songliang of Qiaojia, western South China, and their biostratigraphic implications Y. Liang et al.
25. Biostratigraphy and palaeogeography of Late Ordovician chitinozoans from the northeastern Alborz Range, Iran M. Ghavidel-syooki & T. Winchester-Seeto
26. Palynofacies and geochemical analyses of the Silurian Tanezzuft Formation, NC115 concession, Murzuq Basin, south-west Libya: Implications for source rock potential and palaeoenvironment W. El Diasty et al.
27. Ordovician chitinozoa andbiostratigraphy of Brazil Y. Grahn
28. Chitinozoan bio- and lithostratigraphical study of the Ashgill Fosses and Génicot Formations (Condroz Inlier, Belgium) J. Vanmeirhaeghe & J. Verniers
29. Biostratigraphy and palaeogeographic implications of Ordovician and Silurian chitinozoa from the High Zagros Mountains, Northern Persian Gulf, Iran M. Ghavidel-Syooki
30. Ordovician and Silurian cryptospores and miospores from southeastern Turkey P. Steemans et al.
31. Biostratigraphy of the Ordovician chitinozoa of northwestern Saudi Arabia S. Al-Hajri
32. Chapter 23 Biogeography of early to mid Palaeozoic (Cambrian–Devonian) marine phytoplankton S. Molyneux et al.