Well-preserved Ordovician conodonts are described from a micritic limestone sequence exposed in the Satun area of southern peninsular Thailand. The faunas represented by these conodonts have North ...

Michael C. Mound, Conodonts and Biostratigraphy of the Lower Arbuckle Group (Ordovician), Arbuckle Mountains, Oklahoma, Micropaleontology, Vol. 14, No. 4 (Oct., 1968 ...

Letter Published: 18 May 1968 Ordovician Conodonts from New Zealand A. J. WRIGHT Nature 218, 664–665 (1968) Cite this article ...

Researchers have found fossils of Ordovician conodonts dating to between 446 and 444 million years ago for the first time in the western Mediterranean. The discovery of these very primitive marine ...

High potential for weathering and climate effects of non-vascular vegetation in the Late Ordovician. Nature Communications, 2016; 7: 12113 DOI: 10.1038/ncomms12113 ...

Conodonts were a very early type of vertebrate—an eel -like creature that lived approximately 200 million years ago. Researchers only know of their existence because of teeth they left behind.

From the beginning of the Ordovician, marine life began its great radiation, which was characterized by the rapid appearance of new orders, families, and genera, together with the replacement of ...

During the Ordovician period, the concentration of CO2 in the earth's atmosphere was about eight times higher than today. It has been hard to explain why the climate cooled and why the Ordovician ...