Late Mississippian conodonts from the Bird Spring Formation in Nevada

A Late Mississippian conodont fauna is recorded from the lower part of the Bird Spring Formation near Lee Canyon, Clark County, Nev. The fauna comprises eight species referred to the genera Cavusgnathus Harris and Hollingsworth, Gnathodus Pander, Streptognathodus Stauffer and Plummer, Spathognathodus Branson and Mehl, Ozarkodina Branson and Mehl, and several unidentified species of Hindeodus Rexroad and Furnish. Cavusgnathus muricata n. sp. and Gnathodus girtyi simplex n. subsp. are described and illustrated. This Nevada conodont assemblage suggests that the enclosing strata are the approximate time equivalent of the Grove Church Formation of the standard Chesterian (Late Mississippian) section.

This record provided courtesy of AGI/GeoRef.

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				Z.-Q. CHEN, J.-I. TAZAWA, G. R. SHI, and N. S. MATSUDA UPPERMOST MISSISSIPPIAN BRACHIOPODS FROM THE BASAL ITAITUBA FORMATION OF THE AMAZON BASIN, BRAZIL Journal of Paleontology, September 1, 2005; 79(5): 907 - 926. [Abstract] [Full Text] [PDF]