Ambonosphaera

AMBONOSPHAERA Fensome, 1979, p.50–51.  Emendation: Prauss, 1989, p.31.  Taxonomic senior synonym: Polygonifera, according to Brenner (1988, p.68) — however, Prauss (1989, p.31) retained Ambonosphaera.  Type: Fensome, 1979, pl.7, figs.3,6,9; text-figs.16B–C, as Ambonosphaera calloviana.

Parent: Subfamily Leptodinioideae

Species List:

"Ambonosphaera bavarica"
*Ambonosphaera calloviana
Ambonosphaera delicata
Ambonosphaera hemicavata
"Ambonosphaera jurassica"
Ambonosphaera staffinensis