Globobulimorpha n.gen.

Type species. Globobulimorpha costata n.sp.

Definition. Shell minute, thin, globular fusiform with round base. Protoconch deviated with final whorl embracing much of earlier whorl ornament of fine collabral threads; aperture large with strong columellar siphonal fold.

Geological age. Late Tournaisian.

Remarks. No existing genus can be compared with Globobulimorpha . The protoconch of the genus is deviated, but it is not clearly seen as heterostrophic.

Australian Carboniferous species. Globobulimorpha costata n.sp.