Genus Batiacasphaera

Species total:
106
Age range:
230 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Batiacasphaera ringnesiorum Tithonian Maestrichtian
Batiacasphaera reticulata Late Cenomanian Danian
Batiacasphaera pocockii Late Bathonian Early Kimmeridgian
Batiacasphaera pilosa Oxfordian Hauterivian
Batiacasphaera ovata Berriasian Aptian
Batiacasphaera oligacantha Cenomanian Middle Miocene
Batiacasphaera norvickii Late Kimmeridgian Albian
Batiacasphaera minuta Late Eocene Late Pliocene
Batiacasphaera minor Valanginian Middle Oligocene
Batiacasphaera microreticulata Eocene Middle Eocene
Batiacasphaera micropapillata Late Aptian Piacenzian
Batiacasphaera microgranulata Hauterivian Hauterivian
Batiacasphaera mica Late Hauterivian Barremian
Batiacasphaera macrogranulata Late Aalenian Early Turonian
Batiacasphaera laevigata Late Bajocian Callovian
Batiacasphaera kutharensis Late Paleocene Late Paleocene
Batiacasphaera kekerengensis Santonian Paleocene