Hyalosphaera ephemera Prauss, 1989

NOW Praussia. Originally Hyalosphaera (generic name illegitimate), subsequently (and now) Praussia.
Following I.C.N. Article 55.1, the species name Hyalosphaera ephemera is validly published, even though the generic name Hyalosphaera Prauss is illegitimate.

Holotype: Prauss, 1989, pl.5, fig.11, text-fig.6
Locus typicus: Well BG SPD 10, Germany
Stratum typicum: Late Toarcian, Levesquei Zone
Translation Prauss, 1989: LPP

Original diagnosis: Prauss, 1989, p. 23
Cyst habit skolochorate/cavate. Wall consisting of pedium and tectum. Endoblast spheroidal, psilate; periblast obovoidal, psilate. Areation due to finately arranged, long, thin, acuminate processes, which are broadened at the bases and interconnected by low seams or strips. Delicate scabrae are arranged in a peniareate position. The sulcal region is, where discernable, typically developed complexly. At the apex there is a coarser, granulate structure.

Dimensions:
Endoblast - Periblast
l: 40,3 µm - l: 45,7 µm
b: 37,0 µm - b: 48,0 µm