54
2 Systematic Descriptions
Fig. 2.37 a Distal face with part of laesurae seen through. b Side view part distal heavily sculptures
and part proximal faint sculpture
Dimensions: 60–80 µ (18 specimens measured).
Remarks: P. pseudoreticulata is distinguished by its perfect verrucate sculpture.
The species has been recorded from Collie Basin by Backhouse (1991). There is
a close resemblance to the living fern Phylloglossum drummondii (Fig. 2.36c).
Genus Balmeospora (Backhouse 1988) (Fig. 2.37).
Balmeospora gliksoniae (Backhouse 1988) (Fig. 2.38a, b).
Occurrence: Upper Permian of Collie–Muja Basins, Bore Site B/224-227
; Bore
Site D/207-212
, Muja 1/50
.
Description: Trilete. Amb circular. Laesurae simple, extending 3/4 to equatorial margin. Endexine 3–4 µ thick and smooth. Ektexine hyaline and sculptured. Sculpture pseudo-reticulate consisting of irregularly shaped processes with
rounded ends, closely spaced and often fused at their tips.
Dimensions: 60–150 µ; mean 90 µ (40 specimens measured).
Remarks: Balmeospora gliksoniae has been designated by Backhouse (1988).
The species has also been recorded from the Collie Basin by Backhouse (1991).
B. gliksonaiae closely resembles the spore of the fern Todea sp. of the family
Osmundaceae. Side by side they appear identical (Fig. 2.38c—Todea).
2 Systematic Descriptions
Fig. 2.37 a Distal face with part of laesurae seen through. b Side view part distal heavily sculptures
and part proximal faint sculpture
Dimensions: 60–80 µ (18 specimens measured).
Remarks: P. pseudoreticulata is distinguished by its perfect verrucate sculpture.
The species has been recorded from Collie Basin by Backhouse (1991). There is
a close resemblance to the living fern Phylloglossum drummondii (Fig. 2.36c).
Genus Balmeospora (Backhouse 1988) (Fig. 2.37).
Balmeospora gliksoniae (Backhouse 1988) (Fig. 2.38a, b).
Occurrence: Upper Permian of Collie–Muja Basins, Bore Site B/224-227
; Bore
Site D/207-212
, Muja 1/50
.
Description: Trilete. Amb circular. Laesurae simple, extending 3/4 to equatorial margin. Endexine 3–4 µ thick and smooth. Ektexine hyaline and sculptured. Sculpture pseudo-reticulate consisting of irregularly shaped processes with
rounded ends, closely spaced and often fused at their tips.
Dimensions: 60–150 µ; mean 90 µ (40 specimens measured).
Remarks: Balmeospora gliksoniae has been designated by Backhouse (1988).
The species has also been recorded from the Collie Basin by Backhouse (1991).
B. gliksonaiae closely resembles the spore of the fern Todea sp. of the family
Osmundaceae. Side by side they appear identical (Fig. 2.38c—Todea).