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The Early Ordovician trilobite distribution and zonation of the East Baltic
trilobites biozonation Hunneberg Billingen Lower Ordovician Baltoscandia
2009/10/21
Biozones of the East Baltic Early Ordovician trilobites were studied based on the trilobite distribution in northwestern Russia, Estonia, and Sweden. New data on trilobite distribution reveal the diac...
Systematic position,distribution,and shell structure of the Devonian linguloid brachiopod Bicarinatina bicarinata (Kutorga,1837)
Brachiopoda Bicarinatina shell structure Middle Devonian Estonia Latvia Russia
2009/10/21
The type species of the brachiopod genus Bicarinatina Batrukova was first described by Kutorga in 1837 (Zweiter Beitrag zur Geognosie und Paläaontologie Dorpats und seiner nächsten Umbegebun...
Distribution of the order Proetida (Trilobita) in Baltoscandian Ordovician strata
Ordovician Baltoscandia geschiebe Trilobita Proetida distribution
2009/10/21
The trilobite order Proetida forms a minor but important faunal element within the Ordovician strata of Baltoscandia.This review follows the current systematic, taxonomic, and stratigraphical usage an...