ammonites
Pustulospiriferina australis Maxwell 1964 (lamp shell)

Rhynchonellata - Spiriferinida - Punctospiriferidae

Alternative combinations: Punctospirifer australis, Spiriferellina australis

Full reference: W. G. H. Maxwell. 1964. The geology of the Yarrol Region. Part 1. Biostratigraphy. Papers - Department of Geology, University of Queensland 5(9):1-60

Belongs to Pustulospiriferina according to J. B. Waterhouse 1987

Sister taxa: Pustulospiriferina etheridgei, Pustulospiriferina lirata

Type specimen: UQ F42868

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): valve 11.3 x 15.7