Where: Gobi-Altai, Mongolia (46.7° N, 96.3° E: paleocoordinates 19.3° S, 7.8° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Zuun-Arts Formation, Ediacaran to Ediacaran (635.0 - 529.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone and shale

Size classes: mesofossils, microfossils

• The Mongolian cloudinids are small, mostly fragmented tubes with a length of up to 5 mm, diam-

•eter of 0.1–0.8 mm, and tube wall thickness of ~15–25 μm (Yang et al. 2020).

Preservation: replaced with phosphate

Primary reference: B. Yang, M. Steiner, J. D. Schiffbauer, T. Selly, X. Wu, C. Zhang, and P. Liu. 2020. Ultrastructure of Ediacaran cloudinids suggests diverse taphonomic histories and affinities with non-biomineralized annelids. Scientific Reports 10(1):1-12 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 235640: authorized by Daniel Segessenman, entered by Iban Goñi on 19.07.2024

Creative Commons license: CC BY (attribution)