Haig & Mory: Siliceous, later Eocene from Kalbarri 
Figure 3. Key fossils for age determination, preserved as siliceous casts. A-P; Planktonic foraminifers (bar scales = 0.1 mm; secondary 
electron images). A, B; Globigerinatheka index (Finlay), lateral views of different specimens, A UWA132079, B UWA130882. C; 
Catapsydrax ? sp, umbilical view with umbilicus covered by bulla, UWA130883. D; Subbotina linaperta (Finlay), umbilical view, 
UWA130884. E-G; Subbotina imequispira (Subbotina), spiral, peripheral, and umbilical views of same specimen, UWA130885. H-J; 
Subbotina eocaena (Giimbel) transitional to S. corpulenta (Subbotina), spiral, peripheral and umbilical views, UWA130886. K-M; 
Turborotalia ? sp possibly from T. cerroazulensis lineage, umbilical, peripheral and spiral views, UWA130887. N-P; Acarinina? sp, spiral, 
peripheral and umbilical views, UWA130888. Q-T; Nautiloids (bar scales = 1 cm); reflected light micrographs. Q, R; Aturia sp, lateral 
and peripheral views, UWA130880. S, T; nautiloid indet, lateral and peripheral views, UWA130881. 
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