Genus Obtusisporis

Species total:
38
Age range:
435 - 1.8 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Obtusisporis Scythian Senonian
Obtusisporis apilobatus Middle Albian Early Cenomanian
Obtusisporis canadensis Early Triassic Albian
Obtusisporis concavus Late Jurassic Late Jurassic
Obtusisporis convexus Aalenian Bathonian
Obtusisporis corniculata Late Jurassic Hauterivian
Obtusisporis corniger Jurassic Bathonian
Obtusisporis dakotensis Middle Albian Early Cenomanian
Obtusisporis divisitorus Hettangian Cretaceous
Obtusisporis fossulatus Tithonian Tithonian
Obtusisporis hexagonalis Hettangian Hettangian
Obtusisporis juncta Early Gothlandian Early Eocene
Obtusisporis jurienensis Early Sinemurian Early Sinemurian
Obtusisporis kara-murzae Toarcian Toarcian
Obtusisporis labratus Cenomanian Oligocene
Obtusisporis laeviconcavus Cretaceous Tertiary
Obtusisporis laevigata Middle Jurassic Middle Jurassic