Where: Nevada (37.5° N, 117.5° W: paleocoordinates 3.2° S, 97.0° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Montenegro Member (Campito Formation), Montezuman (520.0 - 515.3 Ma)
• "Nevadella" Zone, "near the base of the Montenegro Member"
• bed-level stratigraphic resolution
Environment/lithology: marine; argillaceous siltstone
Size class: macrofossils
Preservation: mold/impression
Reposited in the USNM
• specimen counts only apply to original USNM material of Walcott, although more material was collected by the author
Primary reference: W. H. Fritz. 1995. Esmeraldina rowei and associated Lower Cambrian trilobites (1f fauna) at the base of Walcott's Waucoban Series, southern Great Basin, U.S.A. Journal of Paleontology 69(4):708-723 [J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 69466: authorized by John Alroy, entered by John Alroy on 26.02.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
•additional fossils of the same zone were collected from nine GSC localities in the area, but almost none of them are detailed except GSC locs. 105368 (Esmeraldina rowei), 105371 (Nevadia weeksi), 105372 (Nevadia weeksi)
| Trilobita | |
Palmettaspis parallela n. sp., "Esmeraldina lidensis n. sp." = Palmettaspis lidensis, Palmettaspis consorta n. gen. n. sp., "? Esmeraldina cometes n. sp." = Montezumaspis cometes, Esmeraldina rowei
Palmettaspis parallela n. sp. Fritz 1995 trilobite
"Esmeraldina lidensis n. sp." = Palmettaspis lidensis Fritz 1995 trilobite
Palmettaspis consorta n. gen. n. sp. Fritz 1995 trilobite
"? Esmeraldina cometes n. sp." = Montezumaspis cometes Fritz 1995 trilobite
Esmeraldina rowei Walcott 1910 trilobite | |
|
Nevadia weeksi Walcott 1908 trilobite | |