28
2 Systematic Descriptions
a
c
e
d
b
Fig. 2.10 a, b Immature spores; c, d mature spores, e reconstructed spore
Tetraporina horologia (Staplin) (Playford 1965) (Fig. 2.11).
Occurrence: Sakmarian to Upper Permian of Collie–Muja Basin, Wilga Basin,
frequent in the following samples: Collie Site B bore 2513
, 1641
; Muja Site D
bore 201-212
. Upper Permian of Alexandra Bridge bore; core 2; 1505-1515
.
Description: Outline quadrangular. Sides straight to concave; usually two sides
are straight while the opposite two sides may be more or less concave. Most