none
Geological Time: Permian Lower Permian
holotype
View of a specimen of Ammodiscus planoconvexa Chapman, Howchin & Parr, 1934
The identification is based upon:
, : Chapman, F., Howchin, W. and Parr, W. J. (1934). A revision of the nomenclature of the Permian foraminifera of New South Wales. Proc. Roy. Soc. Victoria N. S. W. 47, pt. 1, 175–189. 5 text-figs., Melbourne. Plate , Fig.