References
- Pergens , E. 1890 . Revision des Bryozoaires du Crétacé figurés par d'Orbigny, Part I. Cyclostomata . Bull. Soc. belge Géol. , iii : 327 – 327 . Mém.
- The formulæ are the same as those used for Stomatopora Ann. xv 227 227 except that the last term indicates the number of zoœcia in a branch.