Results 11 to 20 of about 394 (183)

Late Gzhelian Pteridosperms with Callipterid Foliage of the Donets Basin, Ukraine [PDF]

open access: yesActa Palaeontologica Polonica, 2010
Eight species of pteridosperms with callipterid foliage belonging to four genera are described from the upper Gzhelian of Donets Basin. The fossils indicate that the fronds of the callipterids belonging to the genera Lodevia, Dichophyllum, and Raminervia are bipartite in the upper part and are distinguished by the morphology of the penultimate order ...
Boyarina, N
openaire   +2 more sources

Ungrooved species of Idiognathodus from the lower Gzhelian (Pennsylvanian) Heebner Shale, Midcontinent North America, U.S.A. [PDF]

open access: yesMicropaleontology, 2017
Species of the Idiognathodus simulator group, which possess an eccentric groove and asymmetrical P1 element pairs, dominate the conodont fauna of the basal Gzhelian (Upper Pennsylvanian) Heebner Shale in Midcontinent North America, but they are accompanied by two series of smaller more typical Idiognathodus P1 elements lacking an eccentric groove ...
Nicholas J. Hogancamp, James E. Barrick
core   +5 more sources

SMALLER FORAMINIFERS FROM THE LOWER PERMIAN EMARAT FORMATION, EAST OF FIRUZKUH (CENTRAL ALBORZ, IRAN)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2016
The uppermost Carboniferous-Lower Permian Dorud Group of the Gaduk section in Central Alborz (Iran) is more than 44 m-thick; it includes thick succession of conglomerates, quartzarenites, calcareous sandstones, oncolitic fusulinid limestones, sandy ...
HAMED YARAHMADZAHI   +2 more
doaj   +3 more sources

New data on the macroflora of the basal Rotliegend group (Remigiusberg Formation; Gzhelian) in the Saar-Nahe basin (SW-Germany) [PDF]

open access: yesFossil Imprint, 2016
New discoveries of fossil plant macroremains from the Remigiusberg Formation (lowermost Rotliegend group) considerably enlarge our knowledge about the flora of the basal-most part of the lithostratigraphically defined Rotliegend group within the Saar-Nahe Basin in SW-Germany.
Uhl, Dieter, Jasper, André
openaire   +3 more sources

Late Pennsylvanian vegetation dynamics of the Donets Basin, Ukraine

open access: yesGeo&Bio
The dynamics of the Late Pennsylvanian vegetation cover of the Donets Basin is represented by a succession of formations of new plant communities (phytocoenogenesis) of a wetland forest and woodland biome and a seasonally dry woodland biome because of ...
Nataliya Boyarina
doaj   +2 more sources

FUSULINOIDEAN FAUNAS FROM THE UPPER CARBONIFEROUS AND LOWERPERMIAN PLATFORM LIMESTONE IN THE HADIM AREA, CENTRAL TAURIDES, TURKEY

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2008
Sixty-one species assignable to 31 genera of Late Carboniferous and Early Permian fusulinoideans were distinguished from the Hadim area, central Taurides, Turkey.
FUMIO KOBAYASHI, DEMIR ALTINER
doaj   +3 more sources

The oldest plant-insect interaction in Croatia: Carboniferous evidence

open access: yesGeologia Croatica, 2012
The feeding trace Phagophytichnus ekowskii VAN AMEROM, 1966 is recorded on Taeniopteris carnotii ZEILLER, 1888, a cycadopsid leaf, from the Lika mudstone (Upper Kasimovian-Gzhelian) of Croatia.
Edmund A. Jarzembowski
doaj   +3 more sources

Carbon isotope perturbations are not primarily driven by volcanism during the Late Paleozoic Ice Age

open access: yesCommunications Earth & Environment
The late Paleozoic ice age (LPIA) was the longest-lived glaciation of the Phanerozoic, and its demise marks Earth’s only recorded transition from an icehouse to a greenhouse state since the occurrence of vascular plants and complex terrestrial ecosystem.
Luojing Wang   +6 more
doaj   +2 more sources

Palaeobiogeography of the Late Carboniferous brachiopoda from Velebit Mt. (Croatia)

open access: yesGeologia Croatica, 2016
An abundant and diverse Late Carboniferous brachiopod fauna from Velebit Mt. (Croatia) comprises 63 brachiopod taxa dominated by Productida and Spiriferida. The Spiriferinida, Athyridida, Orthotethida and Rhynchonellata are less common, while the Orthida,
Mirko Japundžić, Jasenka Sremac
doaj   +3 more sources

A large cockroach from the mesosaur-bearing Konservat-Lagerstätte (Mangrullo Formation), Late Paleozoic of Uruguay [PDF]

open access: yesPeerJ, 2019
Barona arcuata, n.gen et n.sp., a left forewing of a relatively large cockroach of the Order Blattaria, is described from mesosaur-bearing lagoonal shales of the Mangrullo Formation (north-eastern Uruguay). While most of the insect remains recovered from
Viviana Calisto, Graciela Piñeiro
doaj   +3 more sources

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