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Thelodonts (Agnatha) from the basal beds of the Kuressaare Stage,Ludlow,Upper Silurian of Estonia
Thelodonti Agnatha taxonomy Estonia Ludlow Silurian
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2009/10/21
The thelodont Loganellia cuneata (Gross) is redescribed and new thelodont taxa Paralogania perensae sp. nov., Nethertonodus laadjalaensis sp. nov., and Longodus acicularis gen. et sp. nov. are establi...
Recent developments in the Upper Ordovician and lower Silurian conodont biostratigraphy in Estonia
conodonts biostratigraphy Upper Ordovician Llandovery Wenlock Estonia
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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...
Platystrophia (Orthida) and new related Ordovician and Early Silurian brachiopod genera
Rhynchonelliformea Platystrophiidae Baltica Avalonia Laurentia new taxa
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2009/10/21
More than 150 Ordovician and Early Silurian brachiopod species have been assigned to the genus Platystrophia King,1850 mainly on the basis of their Spirifer-like shell exteriors. King’s concept o...
Lower Silurian biostratigraphy of the Viirelaid core,western Estonia
conodonts chitinozoans ostracods scolecodonts brachiopods biostratigraphy
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2009/10/21
The distribution of five groups of fossils in the upper Llandovery (Telychian) and Wenlock of the Viirelaid core section, Estonia, is presented and discussed in terms of their biozones (conodonts and ...
Late Silurian-Early Devonian tessellated heterostracan Oniscolepis Pander,1856 from the East Baltic and North Timan
Silurian Devonian East Baltic North Timan Heterostraci exoskeletal units
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2009/10/21
Pander (1856, Monographie der fossilen Fische der silurischen Systems der Russisch–Baltischen Gouvernements.Obersilurische Fische. Buchdruckerei Kaiserlichen Akademie des Wissenschaften, St. Pete...
Thallophytic algal flora from a new Silurian Lagerstätte
Silurian Konservat-Lagerstä tte thallophytic algae Estonia
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2009/10/21
Algae have always been the most diverse and numerous eukaryotic autotrophs in marine ecosystems. Both fossil and molecular data point to an early Proterozoic origin for algae. Although known for their...
The worm endosymbionts in tabulate corals from the Silurian of Podolia,Ukraine
tabulate corals Chaetosalpinx endosymbiosis Silurian Podolia
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2009/10/21
Two endosymbionts, Chaetosalpinx sibiriensis and Coralloconchus bragensis, occur in Silurian tabulate corals of Podolia. The endosymbiotic worms responsible for C. sibiriensis bioclaustrations in tabu...
New genus of chondrichthyans from the Silurian-Devonian boundary deposits of Tuva (Russia)
Chondrichthyans Elegestolepids Silurian Devonian Tuva
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2009/10/20
The scales of T.schultzei display significant morphological variation and are characterized by a very fine, comparatively wide and flat crown with longitudinal ribs and a small and short neck. The gro...