Where: Nevada (38.0° N, 118.0° W: paleocoordinates 16.8° N, 55.2° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Middle Member (Gabbs Formation), Sevatian (212.0 - 205.6 Ma)
• Late Norian; lower half of the middle member
• group of beds-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lithified, shelly/skeletal packstone
Size class: macrofossils
Collection methods: bulk, mechanical,
Primary reference: R. A. Laws. 1982. Late triassic depositional environments and molluscan associations from west-central Nevada. Palaeogeography, Palaeoclimatology, Palaeoecology 37(2-4):131-148 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 37246: authorized by Martin Aberhan, entered by Sabine Nürnberg on 09.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Rhynchonellata | |
Terebratulida indet. Waagen 1883 | |
Bivalvia | |
| |
"Pectinacea "sp. 1"" = Pectinoidea, "Pectinacea "sp. 2"" = Pectinoidea
| |
Chlamys sp. Röding 1798 scallop | |
Plicatula perimbricata Gabb 1870 scallop | |
Pseudolimea naumani file clam | |
Cassianella ligulata oyster | |
Myophoria sp. Bronn 1834 clam | |
Heterodonta indet. Neumayr 1884 clam | |
"Permophoridae indet." = Kalenteridae
"Permophoridae indet." = Kalenteridae Marwick 1953 clam | |
Septocardia sp. Hall 1877 cockle | |
Unionites carinata clam
Unionites sp. Wissman 1841 clam | |
Schafhaeutlia sp. Cossmann 1897 clam | |
Tutcheria sp. Cox 1946 clam | |
Cephalopoda | |
Pleuronautilus sp. von Mojsisovics 1882 | |
Arcestes sp. Suess 1865 ceratite
Arcestes oligosarcus von Mojsisovics 1875 ceratite
Arcestes gigantogaleatus von Mojsisovics 1875 ceratite | |
| |
Cycloceltites arduini ceratite | |
"Placites symmetricus" = Paragymnites symmetricus
"Placites symmetricus" = Paragymnites symmetricus von Mojsisovics 1873 ceratite | |
Rhacophyllites debilis Hauer 1846 ammonite |