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Brachiopod bio- and ecostratigraphy in the lower part of the Arnestad Formation (Upper Ordovician),Oslo Region,Norway
Brachiopod bio- and ecostratigraphy lower part Arnestad Formation
2009/12/3
The aim of the present study is to improve knowledge of the brachiopod fauna in the lower part of the Arnestad Formation (Caradoc) in the Oslo-Asker district and to document faunal changes prior to th...
Conodonts of the Kiviõli Member,Viivikonna Formation (Upper Ordovician) in the Kohtla section,Estonia
conodonts taxonomy biostratigraphy Kukruse Stage Ordovician Estonia
2009/10/22
Conodont faunas from the kukersites and kukersitic limestones of the Kiviõli Member are similar to coeval collections from other sedimentary facies and there are no taxa endemic to this unusual...
A new chitinozoan species from the Upper Ordovician of the East Baltic
chitinozoans Upper Ordovician Baltica Avalonia
2009/10/21
A new species Conochitina rugata, earlier treated as nomen nudum, is formally defined. The species has been identified in the upper part of the Pirgu Stage in many East Baltic sections of the Baltica ...
Recent developments in the Upper Ordovician and lower Silurian conodont biostratigraphy in Estonia
conodonts biostratigraphy Upper Ordovician Llandovery Wenlock Estonia
2009/10/21
The current state of and the latest developments in the conodont-based biostratigraphical studies of Upper Ordovician and lower Silurian strata in Estonia are discussed. An updated conodont zonation i...
Hulterstad brachiopods and associated faunas in the Vormsi Stage (Upper Ordovician,Katian) of the Lelle core,Central Estonia
Hulterstad brachiopods chitinozoans scolecodonts Vormsi Stage Ordovician Estonia
2009/10/21
Integrated palaeontological and sedimentological study of the Upper Ordovician Vormsi Stage in the Lelle drill core section, Central Estonia, revealed an association of shelly fauna containing the end...
Conodont biostratigraphy in the Middle-Upper Ordovician boundary beds of Estonia
conodonts correlation biostratigraphy Ordovician Estonia
2009/10/21
Conodonts of the uppermost Uhaku, the Kukruse, and the lower Haljala stages (uppermost Darriwilian and lower Sandbian) of Estonia are discussed. The distribution of conodonts within the Pygodus serra,...
Kaljoprion-a new enigmatic jawed polychaete genus from the Upper Ordovician of Estonia
scolecodonts jawed polychaetes taxonomy convergent evolution Late Ordovician
2009/10/21
A new Late Ordovician polychaete genus Kaljoprion, with K. laevaensis gen. et sp. nov. as the type species, is described from the Nabala Regional Stage of the Laeva-18 drill core, central Estonia. The...