Where: Nye County, Nevada (38.9° N, 117.6° W: paleocoordinates 12.8° N, 49.5° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Luning Formation, Tuvalian (232.0 - 221.5 Ma)
• The Luning Formation is a remnant of a tectonically dismembered Lower Mesozoic carbonate platform complex exposed in scattered ranges throughout west-central Nevada. It rests unconformably upon different, often unamed, Late Paleozoic and Triassic units in each outcrop, but is regoinally overlain by the Upper Triassic through Lower Jurassic Gabbs and Sunrise Formations.
•JA: originally entered as Carnian; the Klamathites macrolobatus zone is Tuvalian according to Lucas et al. 2012
• group of beds-level stratigraphic resolution
Environment/lithology: basinal (); lithified shale and lithified lime mudstone
Size class: macrofossils
Reposited in the UCMP
Collection methods: bulk,
Primary reference: J. A. Hogler. 1992. Community structure, paleoecology, and depositional environments within the Upper Triassic Luning Formation of Nevada. [D. Bottjer/N. Bonuso/N. Bonuso]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 32731: authorized by David Bottjer, entered by Nicole Bonuso on 14.07.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Nuculana (Thestyleda) sp. Iredale 1929 pointed nut clam originally entered as "Nuculana (Thestyleda)"; changed by JA 30.6.04
| |
Arcavicula sp. Cox 1964 pearl oyster | |
Septocardia sp. Hall 1877 cockle | |
Gastropoda | |
| |
Cephalopoda | |
| |
Tropites crassicostatus, Tropites latiumbilicatus, Tropites nevadanus, Tropites subquadratus, Tropites sp.
Tropites crassicostatus ceratite
Tropites latiumbilicatus ceratite
Tropites nevadanus ceratite
Tropites subquadratus ceratite
Tropites sp. Mojsisovics 1875 ceratite | |
Klamathites macrolobatus ceratite | |
Proclydonautilus sp. Mojsisovics 1902 nautiloid | |
Michelinoceras sp. Foerste 1932 |