M 5. Montezuma Range (Cambrian of the United States)

Where: Esmerelda County, Nevada (37.7° N, 117.3° W)

• Paleocoordinates: 19.0° N, 150.7° W (Wright 2013)

When: Fallotaspis trilobite zone, Montenegro Member (Campito Formation), Montezuman (520.0 - 515.3 Ma)

• Montenegro member overlies Andrews Mountain member

• bed-level stratigraphic resolution

Environment/lithology: limestone and sandstone

• Carbonate lenses in sandstone unit

Size classes: macrofossils, mesofossils, microfossils

Primary reference: T. Wotte and F. A. Sundberg. 2017. Small shelly fossils from the Montezuman-Delamaran of the Great Basin in Nevada and California. Journal of Paleontology 91(5):883-901 [T. Wotte/T. Wotte]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 199532: authorized by Pete Wagner, entered by Pete Wagner on 27.01.2019

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Helcionelloida
 Helcionellida - Pelagiellidae
Pelagiella aff. subangulata
Hyolitha
 Hyolithida - Nelegerocornidae
Microcornus sp.
Microcornus sp. Mambetov 1972
Microdictyon
  -
Microdictyon sp., Microdictyon montezumaensis n. sp., Microdictyon rhomboidale, Microdictyon cuneum n. sp.
Microdictyon sp. Bengston et al. 1981
Microdictyon montezumaensis n. sp. Wotte and Sundberg 2017
Microdictyon rhomboidale Bengtson et al. 1986
Microdictyon cuneum n. sp. Wotte and Sundberg 2017
 Hyolithelminthida - Hyolithellidae
? Hyolithellus sp.
? Hyolithellus sp. Billings 1872
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria "sp. 2", Allonnia sp.
Chancelloria "sp. 2" Walcott 1920
Allonnia sp. Doré and Reid 1965