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1. Stromatoporoids of the upper Hirnantian (Upper Ordovician) Shiqian Formation of South China: implications for environmental interpretation and the Ordovician–Silurian stromatoporoid transition.

2. New palaeoscolecidian worms from the Lower Ordovician Madaoyu Formation with specialised morphological characters and functional morphology.

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3. Reappraisal of New Zealand and Australian Ordovician caryocaridids presents insight into phyllocarid phylogeny.

4. Ordovician conodont biodiversity analysis from the Precordillera (Argentina): a new insight in the global context of the GOBE.

5. Continental-scale sediment mixing and dispersal across northern Gondwana: detrital zircon U-Pb-O-Hf isotopic evidence from the Cambro-Ordovician sandstones overlying the Arabian Shield.

6. Back-arc magmatism of the Proto-Tethys Ocean in the West Kunlun Orogenic Belt: evidence from the Ordovician Nanpingxueshan Nb-enriched gabbros.

7. The biostratigraphy and palaeobiogeography of Cambrian and Ordovician acritarchs and chitinozoa from the Simeh-Kuh, NW Damghan City, the Alborz Mountains, northern Iran.

8. Gastropod, cephalopod, and tentaculitid fauna from the Takche Formation (Ordovician-Silurian), Tidong Valley, Kinnaur Himalaya.

9. Late Cambrian-early Ordovician extensional magmatism, uplift and sedimentation of the N Gondwana margin: new field, geochemical and geochronological data from the peri-Gondwanan Central Sakarya Terrane, Sakarya Zone, NW Turkey.

10. Biotic recovery after the Late Ordovician Mass Extinction Event: insights from ichnofossils of the middle–upper Yangtze Block, South China.

11. Cryptic fauna in abandoned bivalve shells and taphonomy of bivalve steinkerns in the Late Ordovician of Baltica.

12. 3D modelling of subsurface ancient volcanic successions: a workflow developed during regional reconstructions of the Cowal Igneous Complex in the Ordovician Macquarie Arc of NSW, Australia.

13. Ordovician chitinozoans of the Miaopo Formation at Zhenjin, Upper Yangtze Platform, South China.

14. Stromatoporoids of the Katian (Upper Ordovician) Beiguoshan Formation, North China.

15. Dwarf cornulitid tubeworms from the Hirnantian (Late Ordovician) of Estonia.

16. Traces of missing encrusters: borings reveal sclerobiont taphonomy in the Upper Ordovician (Katian) of the Cincinnati region, USA.

17. Peri-Gondwanan acritarchs and chitinozoans from the Lower–Middle Ordovician Lashkarak Formation in the Alborz Mountain Ranges, northern Iran: regional stratigraphical significance and palaeogeographical implications.

18. Geochemical characteristics of ordovician ultra-deep natural gas in the North Shuntuoguole area, Tarim Basin, NW China.

19. Ordovician to Triassic episodic growth of the Dananhu arc, Eastern Tianshan (NW China).

20. Musculature of an Ordovician (Darriwilian) patelliform gastropod from Estonia.

21. Stratigraphic age of the Ordovician sedimentary succession in Lumparn Bay, Åland Islands, Finland.

22. Zealandia and Australia at Ordovician continental margins: reconciling their similar and differing detrital zircon provenances within Rodinia.

23. Polar gigantism and remarkable taxonomic longevity in new palaeoscolecid worms from the Late Ordovician Tafilalt Lagerstätte of Morocco.

24. Dynamics of Cambro–Ordovician rifting of the northern margin of Gondwana as revealed by the timing of subsidence and magmatism in rift-related basins.

25. Upper Ordovician carbon isotope chemostratigraphy and a high-resolution assessment of the Hirnantian Stage in the Baltic Sea subsurface.

26. Early Ordovician Seleneceme (Trilobita) in Ziyang Fauna, South China.

27. A new stiodermatid (Hexactinellida, Porifera) from the latest Ordovician of Anhui, South China and its significance for searching the missing link between the Cambrian and late Palaeozoic stiodermatid lineage.

28. Middle–Upper Ordovician conodonts from the Gunningbland area in central New South Wales with implications for regional correlations.

29. New camerate crinoid genera from the Upper Ordovician (Katian) of Estonia: evolutionary origin of family Opsiocrinidae and a phylogenetic assessment of Ordovician Monobathrida.

30. First record of an Early Ordovician brachiopod and conodont fauna from Lapland, Sweden.

31. Early-Middle Ordovician volcanism along the eastern margin of the Xing’an Massif, Northeast China: constraints on the suture location between the Xing’an and Songnen-Zhangguangcai Range massifs.

32. Global geoheritage significance of Ordovician stratigraphy and sedimentology in the Cliefden Caves area, central western New South Wales.

33. Geochronology and geochemistry of Ordovician plutons in the Erguna Block (NE China): further insights into the tectonic evolution of the Xing'an-Mongolia Orogenic Belt.

34. New Cincinnati Gallery Unveils "Ancient Worlds Hiding in Plain Sight".

35. Unusual cystoporate? bryozoan from the Upper Ordovician of Siljan District, Dalarna, central Sweden.

36. Hitherto undetected pore-canal network in the shell wall of the Ordovician Orthoceras from Baltoscandia (Cephalopoda: orthoceratida, calciosiphonata).

37. Phylogeny of the Ordovician and Silurian members of the order Atrypida.

38. The Ordovician Tøyen Shale (Floian) and its graptolite fauna at Kinnekulle, Västergötland, Sweden – a regional overview.

39. Discovery of Iapetognathus fauna from far western New South Wales: towards a more precisely defined Cambrian–Ordovician boundary in Australia.

40. Ordovician Macquarie Arc and turbidite fan relationships, Lachlan Orogen, southeastern Australia: stratigraphic and tectonic problems.

41. Ordovician sedimentation and bimodal volcanism in the Southern Qiangtang terrane of northern Tibet: Implications for the evolution of the northern Gondwana margin.

42. Crude oil and condensate in the Ordovician–Silurian formations of the Eastern European: The Western Black Sea Basin.

43. Biostratigraphy and palaeogeographic implications of Ordovician and Silurian chitinozoa from the High Zagros Mountains, Northern Persian Gulf, Iran.

44. The development of dark shales from the middle and late Cambrian to early Ordovician on the East European Platform – with focus on Gotland.

45. Middle Ordovician trilobites from the Houping Formation of South China: implications for palaeoecology and palaeobiogeography.

46. The first record of cornulitids tubeworms from the early Late Ordovician of Spiti, Tethyan Himalaya, India.

47. Late Ordovician trilobites from the Taimyr Peninsula, Arctic Russia.

48. Shale gas potential of Ordovician marine Pingliang shale and Carboniferous–Permian transitional Taiyuan-Shanxi shales in the Ordos Basin, China.

49. Divaricate patterns in Cambro-Ordovician obolid brachiopods from Gondwana.

50. Characteristics and favorable area prediction of Ordovician buried-hill carbonate reservoirs in the Bozhong 21-2 tectonic belt, Bohai Bay Basin, China.