Results 21 to 30 of about 460 (165)
Bryozoan Diversity Dynamics at the Devonian–Carboniferous Transition: Evidence from Transcaucasia
The Devonian–Carboniferous transition was marked by a series of perturbations in the geological and biological evolution. The palaeontological data from Transcaucasia allowed the bryozoan diversity dynamics on the northern Gondwanan margin (southern ...
Zoya A. Tolokonnikova, Dmitry A. Ruban
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Late Devonian (Famennian) Chondrichthyes from Mexico [PDF]
The Paleozoic vertebrate fossil record from Mexico is very scarce and strongly biased by rock exposure, composed mainly of upper Paleozoic (Carboniferous and Permian) outcrops (e.g., Sánchez-Zavala et al., 1999; Poole et al., 2005; González- Rodríguez et al., 2013).
Carlos Martínez-Pérez +5 more
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Famennian (Upper Devonian) conodont zonation: revised global standard [PDF]
The revision of the Famennian part of the “Late Devonian Standard Conodont Zonation” is based on the inequivalence between biozones and time, and the rejection of the presumed single phyletic concept on which the previous zonation was based. It is also intended to simplify the zonation, eliminating the zonal groups named after only one taxon, and ...
Spalletta, Claudia +3 more
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Stratigraphy of the Upper Devonian - Lower Carboniferous of south-west of Lyzha-Kyrtael swell (Pechora Plate eastward) [PDF]
A new local stratigraphic scheme is proposed for the upper Famennian - Serpukhovian interval of the south-west of Lyzha-Kyrtael Swell. The stratigraphic sequence is composed of the Famennian carbonates of the Kamenka Formation, the Famennian - middle ...
Zhuravlev A.V.
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Dynamics of the conodont diversity in the Late Devonian–Early Carboniferous (Famennian–Serpukhovian)
Subject. The article is aimed to evaluate of the conodont diversity dynamics at the species level in the Famennian – Serpukhovian interval.Materials and methods.
A. V. Zhuravlev
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FAMENNIAN CONODONTS FROM KAL-E-SARDAR SECTION, EASTERN TABAS, CENTRAL IRAN
Sixty-three conodont species and subspecies from the Kal-e-Sardar section indicate that the strata span early to late Famennian. Contrary to most of the sections measured in the Shishtu Formation, the icriodid-polygnathid biofacies is restricted to the ...
HOSSEIN GHOLAMALIAN +2 more
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In a complex and diverse reef community composition the biogenic nature of the deposition of the carbonate material is the most evident. Biotic crises, after which a significant evolutionary update of the organic world took place, also affected ...
L. M. Zhuravleva
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A new assessment of the Late Devonian antiarchan fish Bothriolepis leptocheira from South Timan (Russia) and the biotic crisis near the Frasnian–Famennian boundary [PDF]
The species of the Late Devonian, earliest Famennian placoderm fish Bothriolepis jeremejevi has been downranked to subspecies Bothriolepis leptocheira jeremejevi comb. nov.
Ervīns Lukševičs +2 more
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The fragment of the skull cap of placoderm Livnolepis heckeri (Luksevics) from the Bilovo Formation (Famennian, Upper Devonian) near the Bilovo Village of Tver Region has been described.
S. V. Moloshnikov, V. V. Linkevich
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A diverse and well-preserved microphytoplankton assemblage is reported from a measured section of Frasnian–Famennian (Upper Devonian) Padeha and Bahram Formations in Shahzadeh Mohammad area, northwestern Kerman, southeast Iran. The palynoflora assemblage
Roghayeh Rouzegar, Péter Ozsvárt
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