M424. 'New Tank' at Yelvertoft (Cambrian of Australia)

Where: Queeland, Australia (20.0° S, 138.8° E: paleocoordinates 26.2° N, 172.8° W)

• coordinate stated in text

When: Ptychagnostus punctuosus trilobite zone, Inca Formation, Undillan (503.0 - 500.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, fine-grained, calcareous siltstone

• Friable siltstone-finegrained sandstone, stratified to banded; calcareous.

Size class: macrofossils

Primary reference: A. A. Öpik. 1979. Middle Cambrian agnostids: systematics and biostratigraphy. . Bureau of Mineral Resources, Geology and Geophysics, Bulletin 172:1-188 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225234: authorized by Pete Wagner, entered by Pete Wagner on 29.04.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Spinagnostidae
Hypagnostus "sp. indet."
 Agnostida - Ptychagnostidae
Ptychagnostus punctuosus, Acidusus occultatus
Ptychagnostus punctuosus Angelin 1851
Ptychagnostus ? afjinis
Acidusus occultatus Öpik 1979
 Agnostida - Diplagnostidae
Diplagnostus floralis