Ruin Wash Lagerstätte, Pioche Fm, Unit C (Cambrian of the United States)

Where: Nevada (37.8° N, 114.6° W)

• Paleocoordinates: 30.4° N, 139.9° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Combined Metals Member (Pioche Formation), Dyeran (515.3 - 511.2 Ma)

Environment/lithology: shallow subtidal; claystone

• the top of field unit C was defined by a horizon penetrated by several macroscopic, vertical, iron-filled burrows

Size classes: macrofossils, mesofossils

Preservation: trace

Primary reference: M. Webster, R. G. Gaines, and N. C. Hughes. 2008. Microstratigraphy, trilobite biostratinomy, and depositional environment of the “Lower Cambrian” Ruin Wash Lagerstätte, Pioche Formation, Nevada. Palaeogeography, Palaeoclimatology, Palaeoecology 268:100-122 [W. Kiessling/M. Krause]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 156372: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 20.05.2014

Creative Commons license: CC0 (CC0)

Taxonomic list

Trilobita
 Corynexochida - Zacanthoididae
Zacanthopsis sp. Resser 1938 trilobite
 Redlichiida - Biceratopsidae
Nephrolenellus geniculatus Palmer 1998 trilobite
Bolbolenellus brevispinus Palmer 1998 trilobite
 Redlichiida - Olenellidae
Olenellus sp. Hall 1861 trilobite
Olenellus fowleri Palmer 1998 trilobite
Olenellus gilberti White 1874 trilobite
Olenellus chiefensis Palmer 1998 trilobite
Olenellus terminatus Palmer 1998 trilobite