Discoaster nobilis Martini, 1961
The stellate species of Discoaster exhibits a gentle concave-convex structure. It consists of 7-10 segments joined along more than half of their length. The gently curved arms have a simple, rounded termination.
Martini, E. 1961. Nannoplankton aus dem Tertiär und der obersten Kreide von SW-Frankreich. Senckenbergiana Lethaea. 42: 1-32.
Discoaster nobilis
Martini, 1961
Paleocene
Gan, Route de Rebenacq, talus Ouest, 2,950 km, France