Genus Hystrichosphaerina

Species total:
17
Age range:
178 - 11.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaerina Bathonian Early Miocene
Hystrichosphaerina anthophora Oxfordian Albian
Hystrichosphaerina calatha Early Oxfordian Early Oxfordian
Hystrichosphaerina crusta Kimmeridgian Middle Tithonian
Hystrichosphaerina exilimura Late Thanetian Late Thanetian
Hystrichosphaerina neuquina Late Jurassic Aptian
Hystrichosphaerina orbifera Toarcian Berriasian
Hystrichosphaerina paracalatha Middle Callovian Middle Callovian
Hystrichosphaerina sarjeantii Early Kimmeridgian Middle Tithonian
Hystrichosphaerina schindewolfii Dogger Middle Miocene
Hystrichosphaerina sp Oxfordian Barremian
Hystrichosphaerina sp. Ibra.& Schr.,1996 Kimmeridgian Early Aptian
Hystrichosphaerina sp.1 Early Valanginian Early Valanginian
Hystrichosphaerina sp.A Tithonian Hauterivian
Hystrichosphaerina turonica Kimmeridgian Coniacian
Hystrichosphaerina varians Campanian Maastrichtian
Hystrichosphaerina varispinosa Late Jurassic Late Jurassic