Biotic cycles in the early Silurian correlate broadly with postulated sea-level changes, but
are better explained by a model that involves episodic changes in oceanic state. Primo …

The new standard conodont zonation includes, in succession from below: Lower Ps. bicornis
Zone, Upper Ps. bicornis Zone, Lower P. procerus Zone, Upper P. procerus Zone, Lower K …

Integrated graptolite, conodont and chitinozoan biostratigraphical data is presented from the
Rhuddanian through to lower Sheinwoodian of the Aizpute-41 core, Latvia. Correlation of …

The current state of and the latest developments in the conodont-based biostratigraphical
studies of Upper Ordovician and lower Silurian strata in Estonia are discussed. An updated …

Five conodont zones, Pterospathodus eopennatus ssp. n. 1, P. eopennatus ssp. n. 2, P.
amorphognathoides angulatus, P. a. lennarti and P. a. lithuanicus, are described in the …

The long time interval after Pander's (1856) original conodont study can in terms of
Ordovician conodont biostratigraphical research be subdivided into three periods, namely …

The Ordovician System in the Levant region (Middle East) and southern Turkey: review of
depositional facies, fauna and stratigraphy | A Global Synthesis of the Ordovician System: Part …

Different parts of a Tonian–Early Devonian sedimentary succession, covering Proterozoic
crystalline basement, occur along the erosional front to the Caledonide orogen, as outliers …

Integrated graptolite, conodont and chitinozoan biostratigraphical data are presented from
the Llandovery and Wenlock of the Kolka-54 core, Latvia. Correlations between graptolite …

Conodonts were a highly diverse and abundant vertebrate group whose fossils are found in
marine Paleozoic and Triassic strata around the world. They inhabited environments …