A1, Site A, South Canyon (Triassic of the United States)

Also known as Reef 4219

Where: Nevada (39.6° N, 117.5° W: paleocoordinates 10.7° N, 45.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Middle Member (Augusta Mountain Formation), Julian (235.0 - 232.0 Ma)

• T. desatoyense zone (now Daxatina beds)

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, argillaceous limestone

Size class: macrofossils

Collection methods: Repository: Museo di Paleontologia (MPUM), Dipartimento di Scienze della Terra “Ardito Desio”, Università degli Studi di Milano

Primary reference: M. Balini. 2008. Discovery of Upper Ladinian ammonoids at the type locality of the lower Carnian Desatoyense zone (South Canyon, New Pass Range, Nevada). Journal of Paleontology 82:176-182 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186862: authorized by Matthew Clapham, entered by Matthew Clapham on 06.07.2017, edited by Mihaela Krause

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera indet.2 d'Orbigny 1826
Brachiopoda indet.2 Cuvier 1805
 Pectinida - Pectinoidae
Pectinidae indet.2 Wilkes 1810 scallop
Gastropoda indet.2 Cuvier 1797 snail
 Ceratitida - Trachyceratidae
Trachyceratidae indet.1 Haug 1894 ceratite
Hannaoceras sp. Tomlin 1931 ceratite
Echinoidea indet.2 Leske 1778 sea urchin
 Agelasida - Solenolmiidae
? Solenolmia sp.2 Pomel 1872 demosponge
 Agelasida - Colospongiidae
? Colospongia sp.2 Laube 1865 demosponge
Calcarea indet.2 Bowerbank 1864 calcareous sponge
Rhodophyceae indet.2 Ruprecht 1851