Revision of H. walbersdorfensis group from Fri, 28/12/2007 - 22:23

Citation: 
H. walbersdorfensis group of Young (1998)

Small to medium sized Miocene Helicosphaera species with wing ending flush with flange rather than terminating abruptly. Openings usuallly strongly oblique.

Scratchpads developed and conceived by: Vince Smith, Simon Rycroft & Dave Roberts