Ausia (animal)

Ausia fenestrata is a curious Ediacaran period (630 – 542 million years ago) fossil represented by only one specimen 5 cm long from the Nama Group, a Vendian to Cambrian group of stratigraphic sequences deposited in the Nama foreland basin in central and southern Namibia. It has similarity to "Burykhia" from Ediacaran (Vendian) siliciclastic sediments exposed on the Syuzma River of northern Russia.
This fossil is of the form of an elongate bag-like sandstone cast (Nama-type preservation) tapering to a cone on one end. Surface of the fossil is covered with oval depressions ("windows") regularly spaced over the surface in the manner of concentric/parallel rows. The taxonomic identity of "Ausia" is unresolved.