Also known as sample SP12-63-30 Porter and Riedman (2016)
Where: Arizona (36.2° N, 111.8° W: paleocoordinates 0.0° N, 0.0° E)
• coordinate estimated from map
When: Jupiter Member (Galeros Formation), Tonian (1000.0 - 850.0 Ma)
• 75m above base of section and 260m above base of Tanner Member (see Porter and Riedman 2016; Supplementary data)
Environment/lithology: marine; black, silty shale
Size class: microfossils
Preservation: adpression
Reposited in the UCMP
Collection methods: bulk, chemical, smear slide, hydrochloric, hydroflouric,
• Specimens are reposited in the microfossil collections of the University of California Museum of Paleontology (UCMP) under accession numbers 36072–36106 and locality numbers
•MF7688–MF7689.
Primary reference: S. M. Porter and L. A. Riedman. 2016. Systematics of organic-walled microfossils from the ca. 780-740 Ma Chuar Group, Grand Canyon, Arizona. Journal of Paleontology 90(5):815-853 [P. Cohen/M. Hernandez/S. Porter]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 237970: authorized by Leigh Anne Riedman, entered by Leigh Anne Riedman on 27.12.2024
Creative Commons license: CC BY (attribution)
Taxonomic list
Valeria lophostriata Jankauskas 1979
Squamosphaera colonialica Jankauskas 1979
Leiosphaeridia sp. Eisenack 1958 | |
Lanulatisphaera laufeldii | |
Lanulatisphaera laufeldii Vidal 1976 | |
Culcitulisphaera revelata | |
Culcitulisphaera revelata Riedman and Porter 2016 | |
Microlepidopalla mira | |
Microlepidopalla mira n. gen. n. sp.
Microlepidopalla mira n. gen. n. sp. Porter and Riedman 2016 |