Also known as 1-11-12J
Where: Esmeralda County, Nevada (38.0° N, 118.0° W: paleocoordinates 5.1° S, 81.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Nemagraptus gracilis + Climacograptus bicornis graptolite zone, Palmetto Formation, Middle Ordovician (470.0 - 458.4 Ma)
• "probably zone 9 of Elles and Wood, 1914, but could be zone 10"
Environment/lithology: marine; black, gray, green, cherty/siliceous shale and gray limestone
Size class: mesofossils
Primary reference: P. T. Robinson, J. H. Stewart, R. J. Moiola and J. P. Albers. 1976. Geologic map of the Rhyolite Ridge quadrangle, Esmeralda County, Nevada. [J. Marcot/J. Marcot]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 203994: authorized by Jonathan Marcot, entered by Jonathan Marcot on 29.08.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Pterobranchia | |
"Glyptograptus euglyphus" = Pronormalograptus euglyphus
"Glyptograptus euglyphus" = Pronormalograptus euglyphus Lapworth 1880 graptolite | |
Climacograptus aff. tubiliferus climacograptid
Climacograptus sp. Hall 1865 climacograptid | |
Diplograptus sp. graptolite | |
Dicellograptus sextans Hall 1843 graptolite |