Genus Ambonosphaera

Species total:
12
Age range:
195 - 109 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Ambonosphaera Middle Jurassic Late Jurassic
Ambonosphaera bavarica Oxfordian Oxfordian
Ambonosphaera calloviana Jurassic Kimmeridgian
Ambonosphaera delicata Berriasian Early Hauterivian
Ambonosphaera hemicavata Late Bajocian Early Callovian
Ambonosphaera jurassica Middle Jurassic Early Berriasian
Ambonosphaera sp Late Bathonian Puaroan
Ambonosphaera sp.A Late Oxfordian Early Kimmeridgian
Ambonosphaera sp.B Late Oxfordian Early Kimmeridgian
Ambonosphaera sp.C Late Oxfordian Early Kimmeridgian
Ambonosphaera staffinensis Toarcian Early Aptian
Ambonosphaera utera Berriasian Valanginian