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

Where: Esmerelda County, Nevada (37.7° N, 117.3° W: paleocoordinates 3.4° S, 96.9° W)

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: CC BY (attribution)

Taxonomic list

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