Where: Nunavut, Canada (56.5° N, 79.2° W: paleocoordinates 0.0° N, 0.0° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: McLeary Formation (Belcher Group), Orosirian (2050.0 - 1800.0 Ma)
• Lower part of McLeary Formation. Age constrained by U-Pb dating of a tuff in the underlying Kasegalik Formation (2015.4 +/- 1.8 Ma) and 1870.3 +/- 0.7 Ma / 1870.1 +/- 1 Ma from the overlying Haig intrusions (Hodgskiss et al. 2019).
• bed-level stratigraphic resolution
Environment/lithology: peritidal; lithified, stromatolitic, cherty/siliceous dolomite
Size class: microfossils
Preservation: permineralized, original carbon, replaced with silica
Reposited in the GSC
Collection methods: peel or thin section
Primary reference: H. J. Hofmann. 1976. Precambrian microflora, Belcher Islands, Canada: significance and systematics. Journal of Paleontology 50:1040-1073 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 227439: authorized by Matthew Clapham, entered by Matthew Clapham on 11.10.2022
Creative Commons license: CC BY (attribution)
Taxonomic list
Coccogoneae | |
Eoentophysalis belcherensis Hofmann 1976 | |
Myxococcoides | |
? Myxococcoides sp. Schopf 1968 | |
Myxococcoides minor | |
Myxococcoides minor Schopf 1968 |