Also known as 1-32-1J
Where: Esmeralda County, Nevada (37.9° N, 117.9° W: paleocoordinates 5.2° 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)
• "in span of Nemagraptus gracilis and Climacograptus bicornis zones (zones 9 an 10 of Elles and Wood, 1914)"
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 203993: authorized by Jonathan Marcot, entered by Jonathan Marcot on 29.08.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
| Pterobranchia | |
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Glyptograptus sp. Lapworth 1873 graptolite "possibly members of the G. teretiusculus type of glyptograptid"
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Amplexograptus confertus graptolite
Diplograptus sp. graptolite | |
Dicellograptus cf. intortus, Dicellograptus cf. divaricatus, Dicellograptus sextans, Dicranograptus contortus
Dicellograptus cf. intortus graptolite
Dicellograptus cf. divaricatus Hall 1859 graptolite
Dicellograptus sextans Hall 1843 graptolite
Dicranograptus contortus graptolite | |
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