†Bolma (Ormastralium) Sacco 1896
Gastropoda - Trochoidea - Turbinidae
Alternative spellings: Astraea (Ormastralium), Ormastralium
Synonym: Incilaster Finlay 1926
Parent taxon: Bolma according to A. G. Beu et al. 1990
See also Marasti 1973 and Sepkoski 2002
Sister taxa: Astraea (Bolma) granosa, Bolma anoropha, Bolma aureola, Bolma carinata, Bolma rugosus, Bolma stearnsi, Bolma virgata
Subtaxa: Bolma (Ormastralium) speciosa
Distribution:
• Miocene of Italy (2 collections), Poland (1)
• Oligocene of New Zealand (2)
Total: 5 collections each including a single occurrence