Species

Cystistroma donnellii (Etheridge, 1895)

Images
GIT 477-11
Cystistroma donnellii | Cystistroma donnellii Etheridge, 1895
Ordovician | "lower coral" unit
GIT 477-5
Cystistroma donnellii | Cystistroma donnellii Etheridge, 1895
Fossil Hill, New South Wales Lower Ordovician | "lower coral" unit