Genus Achomosphaera

Species total:
97
Age range:
514 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Achomosphaera sp.A Khow.& Jain,1992 Hauterivian Barremian
Achomosphaera sp.B Khow.& Jain,1992 Hauterivian Barremian
Achomosphaera sp.A Back.,1988 Tithonian Barremian
Achomosphaera verdieri Middle Berriasian Santonian
Achomosphaera fenestra Early Campanian Middle Campanian
Achomosphaera sp.A Kirs.,1991 Early Campanian Middle Campanian
Achomosphaera heterostylis Cenomanian Campanian
Achomosphaera bulla Campanian Early Maestrichtian
Achomosphaera sp.B Albian Maastrichtian
Achomosphaera mariannae Late Cretaceous Danian
Achomosphaera operculata Late Cretaceous Danian
Achomosphaera sp. Salu.& Kind.,1981 Maastrichtian Danian
Achomosphaera microreticulata Maastrichtian Danian
Achomosphaera regiensis Late Vraconian Danian
Achomosphaera reticulata Early Cretaceous Montian
Achomosphaera neptuni Oxfordian Montian
Achomosphaera linifera Late Paleocene Middle Ypresian