Yalkalpo-2 Mernmerna Stenotheca drepanoida Template (Cambrian of Australia)

Where: South Australia, Australia (30.8° S, 140.7° E: paleocoordinates 18.0° N, 161.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Stenotheca drepanoida small shelly zone, Mernmerna Formation, Botomian (516.0 - 512.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified, fine-grained, nodular, gray limestone and lithified, fine-grained, calcareous mudstone

• Predominantly nodular, fine-grained, medium grey limestones interbedded with a very calcareous dark grey mudstones. Rare stylolites, intraclasts, fossils and burrows occur in the carbonates.

Size classes: macrofossils, mesofossils, microfossils

Preservation: cast, replaced with phosphate

Reposited in the PIN

Collection methods: bulk, chemical

Primary reference: D. I. Gravestock, E. M. Alexander, Y. E. Demidenko, N. V. Esakova, L. E. Holmer, J. B. Jago, T.-r. Lin, L. M. Melnikova, P. Yu Parkhaev, A. Yu Rozanov, G. T. Ushatinskaya, W.-l. Zang, E. A. Zhegallo and A. Yu Zhuravlev. 2001. The Cambrian biostratigraphy of the Stansbury Basin, South Australia. Russian Academy of Sciences, Transactions of the Palaeontological Institute 282:1-344 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 97726: authorized by Pete Wagner, entered by Pete Wagner on 26.08.2010, edited by Hallie Street

Creative Commons license: CC BY (attribution)

Taxonomic list

Helcionelloida
 Helcionellida - Helcionellidae
"Mackinnonia rostrata" = Davidonia rostratum Zhou and Xiao 1984
Anabarella australis Bengtson et al. 1990
Anhuiconus microtuberus Zhou and Xiao 1984
 Helcionellida - Stenothecidae
Stenotheca drepanoida He et al. 1984
 Helcionellida - Trenellidae
"Mackinnonia plicata" = Isitella plicata
"Mackinnonia plicata" = Isitella plicata Missarzhevsky 1989
 Pelagiellida - Pelagiellidae
Pelagiella madianensis Zhou and Xiao 1984
Bivalvia
 Fordillida - Fordillidae
Pojetaia runnegari Jell 1980 clam