Also known as SF 102
Where: Nye County, Nevada (39.0° N, 116.6° W: paleocoordinates 5.5° S, 81.8° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: L? brachiopod zone, Antelope Valley Formation (Pogonip Group), Rangerian (470.0 - 470.3 Ma)
• Whiterockian; no formal stage
• bed-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; lithified limestone
Size class: macrofossils
Preservation: replaced with silica
Collected by J. Ross, Jr.
Collection methods: bulk,
Primary reference: R. J., J.r. Ross. 1970. Ordovician Brachiopods, Trilobites, and Stratigraphy in Eastern and Central Nevada. United States Geological Survey Professional Paper 639:1-99 [S. Finnegan/S. Finnegan/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 104448: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011, edited by Melanie Hopkins
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Remopleurides sp. Portlock 1843 trilobite | |
| |
Ischyrotoma sp. Raymond 1925 trilobite | |
Ectenonotus sp. Raymond 1920 trilobite
Pseudomera barrandei Billings 1865 trilobite | |
Xystocrania perforator, "Cydonocephalus sp." = Kawina
Xystocrania perforator Billings 1865 trilobite
"Cydonocephalus sp." = Kawina Barton 1916 trilobite | |
Protocalymene sp. Ross and Barnes 1967 trilobite | |
Ostracoda | |
| |
? Hyperchilarina sp. Harris 1957 ostracod
Aparchites sp. ostracod | |
| |
Leperditella cf. incisa ostracod
Leperditella cf. tumida ostracod | |
Eoleperditia bivia ostracod | |
Strophomenata | |
| |
Rhynchonellata | |
Orthidiella sp. Ulrich and Cooper 1936
Orthidium cf. bellulum Ulrich and Cooper 1938 | |
"Orthambonites minisculus" = Paralenorthis minusculus
"Orthambonites minisculus" = Paralenorthis minusculus Phleger 1933 | |
Paragastropoda | |
Clisospira sp. Billings 1865 | |
Demospongiae | |
Calycocoelia typicalis Bassler 1927 demosponge | |
Nevadocoelia wistae Bassler 1927 demosponge |