Genus Yvonniellina

Species total:
11
Age range:
54.5 - 37.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Yvonniellina campanula Early Eocene Early Eocene
Yvonniellina capitiformis Early Eocene Early Eocene
Yvonniellina concava Early Eocene Early Eocene
Yvonniellina dimediaglobosa Early Eocene Early Eocene
Yvonniellina feugueuri Early Eocene Early Eocene
Yvonniellina glabra Middle Eocene Middle Eocene
Yvonniellina oedelemensis Middle Eocene Late Eocene
Yvonniellina sp.A Middle Eocene Middle Eocene
Yvonniellina sp.B Late Eocene Late Eocene
Yvonniellina tongerenensis Early Oligocene Early Oligocene
Yvonniellina variabilis Early Eocene Middle Eocene