overview (8)
Arkhangelskiales (2)
Eiffellithales (3)
Holococcoliths (26)
Nannoliths (10)
Podorhabdales (7)
Watznaueriales (1)
Description: A large, coarsely constructed, elliptical holococcolith with a central area spanned by a transverse, bridge-like structure that broadens at each end. The rim and bridge are crystallographically disjunct.
Remarks:
Range: NP15c.
Holotype: Paratype:
Paleogene: Orthozygus suggrandis