Montanaro-Gallitelli, 1975: 23
Solitary or phaceloid; calice tubular; increase lateral; septa of lower size order are laminar, septa of the highest size order are developed on the wall as rows of spines growing axialward; endotheca tabular, or lacking; wall modular (pachythecal).
Contains Zardinophyllum Montanaro-Gallitelli, Pachythecalis Cuif, Pachysolenia Cuif, Pachydendron Cuif, Sichuanophyllia Deng Zhanqiu and Zhang Yansheng
This page has been in preparation since 11-Oct-2010 18:39
This version was contributed by Ewa Roniewicz on 24-Oct-2010 11:27.
Page authors are: Ewa Roniewicz. Please contact the editor if you would like to contribute to the diagnosis of this taxon.
The editor is: Ewa Roniewicz