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Now showing items 1-3 of 3

A NEW EARLY DEVONIAN THELODONT FROM CELTIBERIA (SPAIN), WITH A REVISION OF SPANISH THELODONTS

Botella H.; Valenzuela-Ríos J.I.; Carls P. (2006)

A revision of thelodont scales from the Lower Devonian of the Iberian Chains enables their grouping into two taxa: Turinia pagei and T. nachoi sp. nov. These taxa are clearly distinguishable by morphological and histological ...
ASSIMILATION AND TRANSPIRATION CAPABILITIES OF RHYNIOPHYTIC PLANTS FROM THE LOWER DEVONIAN AND THEIR IMPLICATIONS FOR PALEOATMOSPHERIC CO2 CONCENTRATION

Roth-Nebelsick A.; Konrad W. (2003)

The characteristic basic construction of early land plants with an upright posture is represented by a simple leaf- and rootless axis system with a central conducting bundle ('rhyniophytic habit'). Variations of this simple ...
Problem of the International Chronostratigraphic chart of Lower Devonian and stratigraphic boundaries of Lower Devonian stages in Southern Tian Shan

Mikhailova Elena D.; Kim Aleksei I. (Федеральное государственное бюджетное образовательное учреждение высшего образования «Санкт-Петербургский горный университет», 2018)

The boundaries of the International Chronostratigraphic Chart (ICC) are associated with the natural historical stages of the Earth's development, and their boundaries are usually determined by the palaeogeographical or ...

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