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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
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...
Intraspecific variation in Wenlock tabulate corals from Saaremaa (Estonia) and its taxonomic implications
Wenlock Baltoscandia tabulates intraspecific variation
2009/10/21
Different aspects of intraspecific variation in Wenlock tabulate corals are discussed. Intracorallum and intraspecific variation is demonstrated in specimens within the collection from one locality. T...
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...
Platystrophia (Orthida) and new related Ordovician and Early Silurian brachiopod genera
Rhynchonelliformea Platystrophiidae Baltica Avalonia Laurentia new taxa
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...
Chitinozoans in the Wenlock-Ludlow boundary beds of the East Baltic
chitinozoans correlation Wenlock Ludlow Silurian East Baltic
2009/10/21
The distribution of chitinozoans in the Wenlock–Ludlow boundary beds was studied in five drill core sections of the East Baltic. It was established that most of the typical Wenlock chitinozoan sp...
Cornulitid epibionts on brachiopod shells from the Late Ordovician(middle Ashgill) of East China
cornulitids brachiopods Ordovician South China
2009/10/21
This is the first record of Cornulites sp. as an epibiont on brachiopods from the middle Ashgill, Late Ordovician, of the South China Palaeoplate. Twenty-one cornulitid specimens were found attached t...
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...
Lower Silurian biostratigraphy of the Viirelaid core,western Estonia
conodonts chitinozoans ostracods scolecodonts brachiopods biostratigraphy
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 ...
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...
Karksilepis parva gen.et sp.nov.(Chondrichthyes)from the Burtnieki Regional Stage,Middle Devonian of Estonia
Chondrichthyes Burtnieki Regional Stage Middle Devonian Estonia
2009/10/21
Dermal scales of a new chondrichthyan were discovered in four levels in sandstones of the Härma Beds (lower part of the Burtnieki Regional Stage, Middle Devonian) in the Karksi outcrop of South E...
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
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...
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...
Thallophytic algal flora from a new Silurian Lagerstätte
Silurian Konservat-Lagerstä tte thallophytic algae Estonia
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...