Optically dense spheroidal to ellipsoidal organic-walled microfossils ~30 to 60 μm in diameter, bearing frequent (~40 per 100 μm2), small (0.9 to 1.2 μm wide and ~2 μm long), light-colored ellipsoidal depressions upon the vesicle.
Full reference: L.A. Riedman and S.M. Porter. 2016. Organic-walled Microfossils of the Mid-Neoproterozoic Alinya Formation, Officer Basin, Australia. Journal of Paleontology 90(5):854-887
Belongs to Caelatimurus according to L.A. Riedman and S.M. Porter 2016
Sister taxa: none
Type specimen: (Fig. 3.6, 3.7), SAM Collection number P49508, slide 1265.57-19A, coordinate G27-2, depth of 1,265.57m Giles 1 drill core, Alinya Formation, Officer Basin, Australia., a marine palyn. Its type locality is Giles-1 drillcore, 1265.57m depth, which is in a Tonian shallow subtidal shale in the Alinya Formation of Australia.
Ecology: "photoautotroph"
Distribution:
• Tonian of Australia (2 collections), United States (1: Arizona)
• Stenian of Canada (1: Nunavut)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.