Coronifera? tubulosa Cookson and Eisenack, 1974

Originally Coronifera, subsequently (and now) Coronifera?.
Stover and Evitt, 1978, considered this to be a provisionally accepted species of Coronifera.
Holotype: Cookson and Eisenack, 1974, pl.28, fig.12
Age: Paleocene

Original diagnosis: Cookson and Eisenack, 1974, p.73
Shell broadly-oval, smooth, very densely covered with fairly long, flexible, though almost hair-like, but still relatively broad-based and acuminate processes. The antapex bears a cylindrical, hollow process, the extremity of which is smooth and not frayed-out.
Dimensions: Shell about 52 x 48 µm, overall about 77 µm, without "hairs" about 66 µm; antapical process about 15 µm long, hair-like processes ranging from 18-19 µm.
Occurrence: Rivernook Bed, Victoria, Paleocene.

Remarks: Cookson and Eisenack, 1974, p.73
The shell is evidently slightly compressed, so that the antapical-process does not seem to be mounted at the extremity, but already ahead of the same. Also its terminal opening appears to be broadly squeezed together.
At the apex, a small "calotte" is delimited through a fissure as if an archeopyle was to have been formed.
Individual processes are confluent at the bases.
From the C. albertii Millioud our species distinguishes itself by the non-denticulated antapical-process.