ammonites
GS7816, Arthurton (Permian of New Zealand)

Where: New Zealand (46.1° S, 169.2° E: paleocoordinates 75.7° S, 173.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Plekonella multicostata brachiopod zone, AG4 Formation (Arthurton Group), Wuchiapingian (259.0 - 254.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone and lithified mudstone

• As a rule the sediment consists of calcareous siltstone and mudstone, locally skeletal micrites, with numerous atomodesmid prisms, interleaved with fenestellid Bryozoa to varying degrees.

Size class: macrofossils

Preservation: mold/impression

Collected by M. Hall, B.L. Wood, J.B. Waterhouse

Primary reference: J. B. Waterhouse. 1982. New Zealand Permian brachiopod systematics, zonation, and paleoecology. New Zealand Geological Survey Paleontological Bulletin 48:7-158 [T. Olszewski/L. Fall/L. Fall] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52782: authorized by Tom Olszewski, entered by Leigh Fall on 19.08.2005