ORDOVICIAN (DARRIWILIAN–KATIAN) BRACHIOPODS FROM THE SOUTHEASTERN MARGIN OF AVALONIA (CONDROZ INLIER, BELGIUM) [PDF]
A low-diversity, relatively well-preserved brachiopod fauna is documented in detail for the first time from the Sandbian–Katian (Upper Ordovician) siliciclastic rocks of the Oxhe Inlier (Belgium), i.e.
Yves Candela +2 more
doaj +4 more sources
Redefinition of the Sandbian–lower Katian conodont biozonation of Baltoscandia [PDF]
Abstract Recent development in the Upper Ordovician conodont biostratigraphy of Baltoscandia highlights the mismatch between the traditionally used conodont zonation and ranges of the eponymous species. Practical application of the zonation is further complicated by the fact that the morphology of the long-ranging species Amorphognathus tvaerensis ...
Tõnn Paiste +4 more
semanticscholar +4 more sources
An unusual new ophiuroid (Echinodermata) from the Late Ordovician (early Katian) of Morocco [PDF]
A distinctive new genus and species of the subphylum Asterozoa, Componaster spurius n. gen., n. sp., is described from the Late Ordovician (early Katian) of Morocco. Construction of the ambulacral column is considered key to delineation of classes of the subphylum Asterozoa: morphology and configuration of the mouth frame, axial (ambulacral series ...
Glass, Alexander +2 more
semanticscholar +5 more sources
Katian (
AbstractMiddle and upper Katian conodonts were previously known in the British Isles from relatively small collections obtained from a few localities. The present study is mainly based on 17 samples containing more than 17 000 conodont elements from an approximately 14‐m‐thick succession of the Sholeshook Limestone Formation in a road cut near Whitland,
FERRETTI, Annalisa +2 more
core +8 more sources
The trilobite assemblage of the Declivolithus Fauna (lower Katian, Ordovician) of Morocco: a review with new data [PDF]
Abstract Intense commercial exploitation of fossils in the famous El Qaid Errami area in the last 20 years has led to the discovery of the interesting Declivolithus Fauna in the Moroccan Anti-Atlas.
Sofia Pereira +2 more
semanticscholar +4 more sources
The youngest representatives of the genus Ribeiria Sharpe, 1853 from the late Katian of the Prague Basin (Bohemia) [PDF]
Ribeiria apusoides and Ribeiria johni sp. nov. are described from the late Katian of the Prague Basin (Bohemia) as the youngest representatives of the genus Ribeiria.
Marika Polechová
doaj +3 more sources
Diverse endobiotic symbiont fauna from the late Katian (Late Ordovician) of Estonia [PDF]
Vinn, Olev, Wilson, Mark A., Holmer, Lars E., Ernst, Andrej, Tinn, Oive, Toom, Ursula (2022): Diverse endobiotic symbiont fauna from the late Katian (Late Ordovician) of Estonia.
Vinn, Olev +5 more
openaire +3 more sources
A possible Laurentian volchoviid ophiocistioid from the Katian of southwestern Ohio [PDF]
The Cincinnatian (Katian) of the Cincinnati Tri-State area is widely regarded as one of the most fossiliferous sections known (Meyer and Davis, 2009). Echinoderms from these strata include well-described asteroids, crinoids, cyclocystoids, edrioasteroids, glyptocystoids, mitrates, and ophiuroids.
William I. Ausich, Jeffrey R. Thompson
openaire +4 more sources
The early Katian (Late Ordovician) reefs near Saku, northern Estonia and the age of the Saku Member, Vasalemma Formation [PDF]
Reefs developed simultaneously during the latest Sandbian/earliest Katian global Guttenberg Isotopic Carbon Excursion (GICE) in several places across Baltoscandia.
Björn Kröger +4 more
doaj +3 more sources
Ostracods from Upper Ordovician (Katian) carbonate lithofacies in southwest Scotland [PDF]
AbstractThe Ordovician Craighead Limestone Formation of southwest Scotland was formed on a carbonate platform on the eastern tropical margin of the Laurentia palaeocontinent during the early Katian (c.456 Ma). It yields the most diverse and well-preserved ostracod fauna yet recovered from the Scottish Ordovician succession, with some 25 species ...
Mohibullah, M +5 more
openaire +4 more sources

