A swollen crinoid pluricolumnal from the Upper Ordovician of northern Kentucky, USA: the oldest record of an amorphous paleopathologic response in Crinoidea? [PDF]
Estonian Journal of Earth Sciences, 2014 Swollen or otherwise malformed crinoid remains are relatively common in the Phanerozoic. However, published reports typically describe swellings associated with a discrete pit, boring, embedment structure or encruster, and, moreover, are overwhelmingly ...
James R. Thomka +2 more
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A collection of pelmatozoans (Echinodermata) from the Lady Burn Starfish Beds (Upper Ordovician, Katian), SW Scotland [PDF]
, 2015 A new collection of crinoids and rhombiferans from the Upper Ordovician (Katian) Lady Burn Starfish Beds of SW Scotland is small, yet contains several significant specimens.
Donovan, Stephen K., Clark, Neil D.S.
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The Ordovician brachiopod genus Cyrtonotella: taxonomy and distribution in the Baltic Basin [PDF]
Estonian Journal of Earth Sciences, 2019 The taxonomy of the Baltic Ordovician orthoidean brachiopods of the genus Cyrtonotella Schuchert & Cooper, 1931 is discussed, two neotypes are suggested and emended descriptions of species and subspecies are presented.
Linda Hints
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Biostratigraphy of Acritarchs and Chitinozoans in Ordovician Strata from the Fazel Abad Area, Southeastern Caspian Sea, Alborz Mountains, Northern Iran: Stratigraphic Implications [PDF]
Journal of Sciences, Islamic Republic of Iran, 2017 Sixty-four surface samples from the Lower Palaeozoic rock units (mainly Lalun,Abastu and Abarsaj formations) near Kholin-Darreh village in the Fazel Abad area,southeastern the Caspian Sea, Northern Iran, were analyzed to determine their agerelationships.
M. Ghavidel-syooki
doaj
Geologija. Geografija, 2016 The lithology and fauna on the south-eastern slope of the Middle Lithuanian Depression within the Lithuanian facies zone (belt) is discussed in the present paper. The study material consists of core from two deep drill-holes: Taučionys-49 and Drūkšiai-6 (Kazimirovo).
openaire +2 more sources
Canadian journal of earth sciences (Print)The William Lake site within the Williams Member of the Stony Mountain Formation (Katian, Upper Ordovician) contains an unusual exceptionally preserved fossil fauna, including arthropods and cnidarian medusae.
Colin D. Sproat, G. Young
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Journal of Palaeogeography, 2020 Ostracods are described for the first time from the red-coloured marine sandstones of Arisu section (Arisu red beds) of the Upper Ordovician Tierekeawati Formation in Kalpin area of northwestern Tarim Basin, Xinjiang Uygur Autonomous Region (Xinjiang ...
Jun-Jun Song +5 more
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Stratigraphy and trilobite biofacies of the Late Ordovician (Katian) of the Taimyr Peninsula, Arctic Russia [PDF]
, 2018 The thick Late Ordovician (Katian) succession on the Taimyr Peninsula, Arctic Russia is divided into three regions showing a transition from a southern carbonate dominated facies, a central transitional facies, and a siliciclastic dominated northern ...
Fortey, Richard A., +1 more
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Late Ordovician scolecodonts and chitinozoans from the Pin Valley in Spiti, Himachal Pradesh, northern India [PDF]
Acta Palaeontologica PolonicaThe end of the Ordovician witnessed major perturbations in the ecosystem, seriously affecting global marine biodiversity. Nevertheless, some marine organism groups and their crisis-bound palaeogeographic distribution are still understudied.
PETRA TONAROVÁ +8 more
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Revised stratigraphy of the middle Simcoe Group (Ordovician, upper Sandbian-Katian) in its type area: an integrated approach [PDF]
, 2019 The Upper Ordovician Bobcaygeon Formation of southern Ontario is a widespread unit that spans the Sandbian-Katian stage boundary and contains exceptionally preserved invertebrate fossil assemblages, including the famed â Kirkfield echinoderm fauna.â ...
Brett, Carlton Elliot +1 more
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