Where: Nevada (39.4° N, 114.8° W: paleocoordinates 4.1° S, 88.0° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Dunderberg Formation, Steptoean to Steptoean (497.0 - 485.4 Ma)
• formation-level stratigraphic resolution
Environment/lithology: lithified shale and lithified limestone
Collection methods: Collection focuses on the identification of trilobites.
Primary reference: A. R. Palmer. 1999. Stratotype boundary of the Steptoean Stage, McGill Nevada. Laurentai 99: V field conference of the Cambrian Stage Subdivision Working Group, International Subcomission on Cambrian Stratigraphy 22-23 [M. Patzkowsky/P. Borkow]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 10506: authorized by Mark Patzkowsky, entered by Phil Borkow on 14.05.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Aphelaspis buttsi, Aphelaspis brachyphasis n. sp., "Olenaspella separata n. sp." = Eugonocare (Olenaspella) separatum
Aphelaspis buttsi Kobayashi 1936 trilobite
Aphelaspis brachyphasis n. sp. Palmer 1962 trilobite
"Olenaspella separata n. sp." = Eugonocare (Olenaspella) separatum Palmer 1962 trilobite | |
Artiopoda | |
Homagnostus comptus n. sp., "Agnostus inexpectans" = Innitagnostus inexpectans
Homagnostus comptus n. sp. Palmer 1962
"Agnostus inexpectans" = Innitagnostus inexpectans Kobayashi 1938 | |
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