Template:Campbell, Barwick & Lindley, 2000
- Campbell, K.S.W., Barwick, R.E. & Lindley, I.D. 2000. Pentremites australis sp. nov., a New Lower Carboniferous (Tournaisian) Blastoid from New South Wales. Proceedings of the Linnean Society of New South Wales 2000(122): 33–42. ResearchGate